4.35ct Cushion Blue Sapphire, Diamond Engagement Ring set in 18k White and Yellow Gold, GIA Certified Unheated, Sri Lanka
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This striking engagement ring features a 4.35-carat cushion-cut blue sapphire from Sri Lanka, certified by GIA and untreated to preserve its natural beauty. The sapphire’s rich blue tones are beautifully balanced with vivid saturation and a clean, eye-pleasing clarity that speaks to exceptional quality.
Surrounding the sapphire, a halo of brilliant diamonds enhances its radiance, adding sparkle and contrast that emphasizes the central gem’s vibrancy. Craftsmanship is evident in every detail, the 18k white and yellow gold setting combines elegance and warmth, making the ring versatile enough for daily wear yet sophisticated enough for special moments.
With its generous carat weight, timeless cushion shape, and high-quality craftsmanship, this ring is designed to become a cherished heirloom.
This is a stunning GIA Certified Sapphire
The GIA report reads as follows:
GIA Report Number: 6525788181
Shape: Cushion
Cutting Style:
Cutting Style: Crown: Modified Brilliant Cut
Cutting Style: Pavilion: Step Cut
Transparency: Transparent
Colour: Blue
RESULTS
Species: Natural Corundum
Variety: Sapphire
Geographic Origin: Sri Lanka
Treatment: No indications of Heating
Item Description: One loose stone
Weight: 4.35 carats
Measurements: 9.54 x 7.41 x 6.58 mm
Comments:
Internal notes and additional description:
Weight: 4.35 carats
Clarity: Very Slightly Included: Eye Clean - Very minor inclusions visible to the naked/unaided eye, inclusions easily visible under 10x magnification.
Colour: Blue
Hue: Blue
Tone: 4 Medium Light
Saturation: 4 Moderately Strong
Treatment:
Origin: Sri Lanka
Stone Type: Diamond
Number of Stones: 40
Weight: 0.38 cts (t.w.)
Measurements: 1.50 mm
Shape: Round
Clarity: VS2-SI1
Colour: G-H
Cut: Very Good
Shank Thickness: 1.60 mm
Head Measurements: 12.36 x 10.21 mm
Total Weight of Item: 4.08 grams
Archive Reference: JW0381-GIAS0182
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30-Day Private Inspection
Your piece arrives insured and fully authenticated. Live with it for 30 days. If it does not meet your exact expectations, we arrange a seamless full-value return — no questions, no restocking fees.
Fully Insured Worldwide Delivery
Every shipment is fully insured at declared value, packed in tamper-evident security packaging, and tracked door-to-door. US clients receive duty-free delivery with all customs documentation handled by our team.
GIA-Verified Authentication
Every piece is personally authenticated by David Saad, our third-generation GIA-alumni gemologist, before it leaves our care. Certified stones ship with their original laboratory documentation — GIA, AGL, Gübelin, or SSEF.
Lifetime Relationship
Our relationship extends well beyond the transaction. We offer complimentary cleaning and inspection appointments, trade-up considerations on future acquisitions, and direct access to David for gemological questions — for the life of your piece.
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30-Day Private Inspection
Acquiring fine gemstones requires absolute confidence. We invite you to view your piece in your own home for 30 days. If it does not perfectly align with your vision, we will arrange a seamless, full-value return.
A Legacy of Trust
Our reputation is our most valuable asset. We invite you to read our independent Google Reviews to hear directly from the collectors, couples, and families who have commissioned their heirloom pieces from our bench.
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