
Round Brilliant Halo Ring
- Center
- 3.01 ct
- Color
- I
- Clarity
- SI1
A halo and mounting of 142 round brilliants, 2.46 ct in total, F color, VS clarity, set three-quarters of the way around.
GIA certifiedSearch
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Collections
Every collection is designed in house and made in limited numbers. Pricing is by request, so call or book a visit to see a piece in person.

The Isaac Collection
Designed in house by Frank Isaac. Carat weight, color and clarity are listed for every piece, and center stones marked GIA are certified by the Gemological Institute of America.
Six engagement rings built around exceptional center stones, five of them certified by GIA.
6 pieces
A halo and mounting of 142 round brilliants, 2.46 ct in total, F color, VS clarity, set three-quarters of the way around.
GIA certified
Pavé-set round brilliants, 0.48 ct in total, H color, VS2 clarity, set three-quarters of the way around.
GIA certified
Flanked by two half-moon diamonds of 0.50 ct each, G color, SI1 clarity.
GIA certified
Halo and half-way mounting diamonds total 0.40 ct, G color, SI1 clarity.
GIA certified
A fancy yellow radiant-cut center between two trillion diamonds of 0.51 ct each, G color, VS1 clarity.

Two tapered baguettes of 0.33 ct each, H color, VS2 clarity.
GIA certifiedEternity and wedding bands, each set with matched diamonds.
4 pieces
Sixteen oval diamonds set all the way around.

Seven emerald cuts, 3.70 ct in total, alternating with seven Asscher cuts, 2.85 ct in total.

Twenty-four emerald-cut diamonds set all the way around.

Eight rows of pavé-set round brilliants.
Two diamond cuts brought together in a single design.
1 piece
Round brilliants, 1.61 ct in total, crossed with baguettes, 1.45 ct in total.
Natural rubies, sapphires and emeralds of AAA quality, set with white diamonds.
6 pieces
Natural pear-shaped rubies with pear-shaped diamonds, G color, VS clarity.

A natural oval ruby surrounded by round brilliants, G color, VS clarity.

A natural blue round sapphire of 1.11 ct in each earring, framed by round brilliants, G color, VS2 clarity.

A GIA-certified natural blue round sapphire with a 0.60 ct trillion diamond on each side, G color, VS clarity.
GIA certified
Seven pear-shaped emeralds with round brilliants, G color, VS clarity.

A 4.55 ct pear-shaped emerald in each earring, framed by round brilliants, H color, SI1 clarity.
Statement pieces in white diamonds.
2 pieces
Baguettes, 2.65 ct in total, with round brilliants, 2.10 ct in total, for the pair.

An assortment of diamond shapes and sizes.
Prices on request. Every piece in the Isaac Collection can be seen by appointment at our Kierland Commons showroom in Scottsdale.
One-of-a-kind collections
Made from fine Colombian and Brazilian emeralds, a stone said to have been Cleopatra’s favorite. Frank Isaac sets them to show that same beauty and power.



A one-of-a-kind collection built on the leaf, nature’s sign of new life and change, in designer-cut, expertly matched white diamonds.


A modern interpretation of the jewels made famous by history’s royalty: bold neck, hand and wrist pieces in pure white round brilliants, joined by the fancy shapes once favored by Europe’s monarchies.



Custom one-of-a-kind pieces built on what diamond jewelry has always stood for: luxury, opulence and rare beauty.


Designs and diamonds found only here: perfectly matched baguette cuts surrounded by round brilliants. Never duplicated.


