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Cushion|Natural|GIA

3.51ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 2185885588

Certificate GIA 2185885588

Diamond specifications and retailer prices

From €37,074 EUR
$41,582 USD
As of November 2, 2026
Save €9,615 EUR (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €46,688 EUR at 77 Diamonds · As of November 3, 2026
View at 77 Diamonds

About this 3.51ct natural cushion diamond

This 3.51ct natural cushion sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2185885588. Listed at 3 retailers as of November 2, 2026, with prices from €37,074 to €46,688, a €9,615 spread on the same certified stone. 77 Diamonds lists it at €46,688. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.51
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2185885588
Dimensions8.34 × 8.34 × 5.72 mm
L/W Ratio1.00
Top View
8.34 mm8.34 mm3.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2185885588
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €46,688 EUR|Low: €36,686 EUR|High: €47,164 EUR|Avg: €41,019 EUR|+1.5%
77 Diamonds
Retailer 2
Retailer 3
November 3, 2026
Retailer 2€37,074 EUR
Retailer 3€39,214 EUR
77 Diamonds€46,688 EUR

36 data points across 3 retailers

3 retailers€37,074 EUR to €46,688 EUR

B+
Cheapest Retailer
-
€37,074 EUR
$41,582 USD
B
Retailer 2
-
€39,214 EUR
$43,983 USD
View
Most Expensive
B
77 Diamonds
CUSZEGNEKDAH · Nov 3
€46,688 EUR
£41,233 GBP
View
2 more retailers have this diamond
Prices start from €37,074 EURSave up to €9,615 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
3.51ct Cushion
€37,074 EUR