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Platinum Promise: No Heat Sapphire Diamond Ring


A natural sapphire of a known 2.67 carats has been cleaved into a cushion cut. The luscious midnight blue gem displays absolutely no evidence of having been exposed to any form of heat treatment. Set in a grand platinum mount, the royal blue sapphire is accented with forty (40) single cut diamonds with an estimated total weight of .30 carats. Please note the fine azuring and mille grain detail which ensure a quality ring.

Accompanied by a GIA certificate stating no evidence of heat treatment.

Date: Mid to later 20th century.

+ Measurements, Condition & More

Measurements: 3/8 of an inch (0.8) in length north to south on the finger and rises 3/16 of an inch (0.5) off the hand. Weight of 3.2 grams (2.1 dwt).

Ring Size: US 5-3/4 (UK just under M; Euro or Int. Circum. 51 mm; Japan under 12; Int. Dia. 16 mm) and easily can be sized to fit most. Ring sizing information.

Hallmarks: Marcus.

Condition: Excellent; a minute chip to underside of stone on bottom edge of girdle.

Origin: American.

Note 1: This ring comes with a Gemological Institute of America (GIA) certificate stating that there is no evidence of heat treatment for the sapphire.

Note 2: Diamonds have not been removed from their mounts to preserve the integrity of the setting. All diamond weights have been approximated by measurement and formula and may vary from actual weights.

Note 3: Sapphire has been removed for accurate weight.

Forms of Payment

  1. VISA and MasterCard, Discover and American Express credit & debit cards.
  2. Personal checks drawn on U.S. banks only - Please allow 7 business days for clearance.
  3. Money orders, cashier's and traveler's checks - Please allow 7 business days for clearance.
  4. PayPal.

Other Forms of Payment
Bank Wire - For international orders and orders of $5,000 and over. Please contact us for more details.

Layaway information and for full details see Payment Methods.


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FREE for All U.S. Orders - Standard 2 Day Shipping.

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Full details at Shipping & Insurance.

Standard Money Back No Risk Guarantee

If you are not completely satisfied with your purchase, notify us within (3) days of receipt for a full refund. Return shipping is free!


Just write "extended return" in the comments box of your order to qualify! Notify us by December 29th, ship back by January 2nd, 2015.

Standard Return Procedure

  1. Notify us of your intention to return the item within three (3) days of receipt. You may contact us by email or by telephone.
  2. Please ship back to us within another two (2) days after we receive notification from you.
  3. As soon as the item is received, a full refund is issued to you that same day.

More details at Full Guarantee including gift giving and holiday options.

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