Diamond Engagement Rings & Sets

Round-Cut Engagement Ring In 18k Gold With Diamonds

Name: Round-Cut Engagement Ring In 18k Gold With Diamonds
Brand: Simon G. Bridal
SKU: MR3012 WHITE 18K SEMI
Price: 4820.0 USD
Availability: InStock

STYLE: MR3012MR3012 WHITE 18K SEMI

This beautiful engagement ring sparkles with graduated, round white diamonds.

Total Carat Weight

.77 Diamonds

All diamonds are ethically sourced and guaranteed to be 100% natural and conflict-free.

Center diamond not included. Need help finding a center diamond? Click on the Product Inquiry button below and we'll be happy to assist you!

Choose your corresponding size by comparing your finger measurements to the chart below or by following the directions in our printable guide.

View & Download Full Guide

US RING SIZE	INSIDE CIRCUMFERENCE
3	1.73 in	44.0 mm
3.5	1.78 in	45.2 mm
4	1.84 in	47.0 mm
4.5	1.89 in	48.0 mm
5	1.94 in	49.0 mm
5.5	1.98 in	50.5 mm
6	2.04 in	51.8 mm
6.5	2.09 in	53.0 mm
7	2.14 in	54.3 mm
7.5	2.19 in	55.6 mm
8	2.24 in	56.8 mm
8.5	2.29 in	58.1 mm
9	2.34 in	59.4 mm
9.5	2.39 in	60.7 mm
10	2.44 in	61.9 mm
10.5	2.49 in	63.2 mm
11	2.54 in	64.5 mm
11.5	2.59 in	65.8 mm
12	2.65 in	67.3 mm
12.5	2.68 in	67.9 mm
13	2.72 in	69.1 mm

We are happy to answer any questions you may have! Please send us an inquiry and we will be in touch soon.

Price shown is for a ring designed for center stones up to 2 carats - we will provide a quote if your center stone is larger. Center stone is not included.

We can engrave any piece of jewelry with a special message or symbol. Just add the Engraving Service to your cart before completing your purchase.

Included with Your Purchase

💎 Simon G. Concierge. After you place your order, one of our jewelry experts will contact you and provide personalized service until your order is delivered.

💎 Satisfaction Guarantee. We want you to love your Simon G. purchase! Shop confidently knowing your concierge will ensure you get the perfect piece and assist with returns if needed. View our return policy.

💎 Lifetime Warranty. We stand by our work. Every Simon G. piece is carefully crafted and must meet the highest manufacturing standards. View our warranty policy.

💎 Certificate of Authenticity. Each item is engraved with a unique serial number and logo to ensure it is genuine and of the highest quality.

Testimonials & Reviews

★★★★★

"I want to thank you for the personal service. I received the ring today and it's perfect. Happy customer!"

- Susie H.

★★★★★

"Very happy with my purchase. Excellent turnaround time. The concierge went out of his way to make it all work well."

- Diane N.

★★★★★

"The anniversary ring has arrived. The response from my wife: WOW, it's beautiful. And it matches perfectly."

- Richard N.

★★★★★

"I got the rings and love them. Thanks so much!!!"

- Nafees C.

★★★★★

"I received my jewelry today and just wanted to let you know I love them!"

- Bryanne M.

★★★★★

"I received the engagement ring. It's beautiful!"

- Frank Z.

★★★★★

"The band is beautiful. I can't wait to give it to him. Thank you!"

- Lindsay K.

★★★★★

"Very helpful and friendly customer service. My earrings are beautiful 😍 Thank you!!!"

- Gee C.

★★★★★

"Purchase and individual options made using emails were handled efficientlyand perfectly. The Monarch butterfly Charm is gorgeous!"

- Dave S.

★★★★★

I want to thank you for the wonderfully precise and perfect wedding set you made for us. Your impeccable craftsmanship and extraordinary attention to detail has made my fiancee incredibly happy. That makes me happy. Your designs are perfection and we are thrilled.

- Michael A.

★★★★★

Customer service and communication was excellent. Arrived quicker than expected and was packaged very securely. Necklace is stunning and I love the light up box it came in, it really shows off the sparkle.

- Jewlie W.

★★★★★

It’s perfect! Simon G never disappoints with the beautiful elegance of their jewelry. I feel the energy of gold and I can’t wait to officially wear this for the holiday season. I think I deserve a rose gold one to match for my birthday ;)

- Erin T.

★★★★★

The wedding band looks great! The fit is perfect and the workmanship is very good. I appreciate that you were able to get it to mw before Christmas. Thank you!

- Dave F.

★★★★★

15 years ago, I walked into a jewelry store and picked out a Simon G. Anniversary ring. A ring I would propose with and that has subsequently been on my wife’s finger ever since. Until one day, it finally happened. We lost the ring! Luckily, I knew the exact ring and where to go to find a replacement. I was put in contact with a “Simon G. Concierge” who was with me every step of the way. The concierge answered all of my questions and kept me up to date on the process, from start to finish. Needless to say, I am very happy with my purchase and all-around experience.

- Rob D.

★★★★★

Love the letter necklace! Beautiful work.

- Lenda J.

★★★★★

My new ring is gorgeous!!

- Kathleen P.

★★★★★

My expectations were already high but between the customer service, packaging, and quality of the piece, they’ve somehow been exceeded. This is the first luxury ear cuff that actually fits my ear (without sliding off). I get so many compliments on it. Worth every penny!

- Christina L.

★★★★★

The earrings are unique and beautiful! They can be worn with anything. And customer service is excellent. I very much appreciated the responsiveness and willingness to get the earrings delivered safely and securely.

- Laura S.

★★★★★

I have a Simon G wedding ring for 20 years received on my 25 wedding anniversary this ring is as beautiful as my first love Simon G highly recommend!

- Teresa J.

★★★★★

I am really enjoying this ring! I wanted a simple everyday ring and have been wearing it every day! Great service and presentation too.

- Michele M.

★★★★★

Absolutely worth the splurge- gorgeous necklace and earrings.

- Patricia R.

★★★★★

I absolutely love my ring! Pure class and elegance.

- Gail Y.

★★★★★

I love the necklace I ordered for my Granddaughters graduation gift. She will love it.

- Shir

★★★★★

I bought our daughters a stacking each & have been adding the same rings but with different stones for their birthdays they love them. The customer service is excellent!

- Sharon R.

★★★★★

"My third time buying. Just love them, amazing quality and workmanship!!"

- Nafees C.

★★★★★

"This was my first time purchasing from SimonG, and also purchasing any diamond jewelry on-line. I must say, I was impressed. The concierge was simply AMAZING. Top of the line service and a quality products!"

- Josh C.

The Simon G. Distinction

💎 Heritage. For over forty years, our artisans have been designing and handcrafting timeless jewelry at our studio in Southern California.

💎 World Renown. Simon G. is worn by celebrities on red carpets across the globe and sold at over 900 retailers worldwide.

💎 Caliber. Every piece is meticulously crafted with only the highest quality metals and stones. All of our diamonds and gemstones are ethically sourced and natural.

💎 Ingenuity. We use innovative production techniques — like four-prong settings, in-house metal alloying, and 360-degree polishing — to achieve the ultimate in brilliant light reflection and durability.

Diamond Engagement Rings & Sets

Round-Cut Engagement Ring In 18k Gold With Diamonds

💎💎💎💎💎

Included with Your Purchase

Delighting customers for over four decades

Testimonials & Reviews

💎💎💎💎💎

The Simon G. Distinction

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