Diamond Engagement Rings

Round-cut Halo Engagement Ring in 18k Gold with Diamonds

STYLE: NR109NR109 WHITE 18K SEMI

This stunning ring features an impressive, modern design set with a brilliant combination of sparkling round and princess diamonds.

Total Carat Weight	1.00 Diamonds
Top/Bottom Width	12.50mm x 7.50mm

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

Center stone not included. Our rings can be designed to fit any center stone.

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

FIND A RETAILER

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

★★★★★

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

- Susie H.

★★★★★

"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.

★★★★★

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.

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

Round-cut Halo Engagement Ring in 18k Gold with Diamonds

💎💎💎💎💎

Included with Your Purchase

Delighting customers for over four decades

Testimonials

💎💎💎💎💎

The Simon G. Distinction

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