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Cushion|Natural|GIA

2.51ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 5543731918

Certificate GIA 5543731918

Diamond specifications and retailer prices

From €18,885 EUR
$21,098 USD
As of November 2, 2026
Save €15,214 EUR (45%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €34,098 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural cushion diamond

This 2.51ct natural cushion sits in the two to three 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 5543731918. Listed at 18 retailers as of November 1, 2026, with prices from €18,885 to €34,098, a €15,214 spread on the same certified stone. MOH London lists it at €34,098. 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

2.51
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5543731918
Dimensions9.21 × 7.34 × 5.02 mm
L/W Ratio1.25
Top View
9.21 mm7.34 mm2.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543731918
Side View
Table 70.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.4%

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: €34,098 EUR|Low: €20,191 EUR|High: €34,509 EUR|Avg: €24,550 EUR|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5€20,309 EUR
Retailer 6€21,263 EUR
Retailer 8€21,833 EUR
Retailer 3€22,193 EUR
Retailer 7€22,357 EUR
Retailer 9€23,022 EUR
Retailer 2€26,483 EUR
Retailer 4€30,190 EUR
MOH London€34,098 EUR

38 data points across 9 retailers

18 retailers€18,885 EUR to €34,098 EUR

B+
Cheapest Retailer
-
€18,885 EUR
$21,098 USD
B+
Retailer 2
-
€20,071 EUR
$22,423 USD
View
B+
Retailer 3
-
€20,242 EUR
$22,615 USD
View
B+
Retailer 4
-
€20,309 EUR
₹2,160,931 INR
View
B+
Retailer 5
-
€20,405 EUR
$22,797 USD
View
B
Retailer 6
-
€21,833 EUR
$24,392 USD
View
Retailer 7
-
€21,841 EUR
$24,401 USD
View
Price last confirmed 20 days ago
B+
Retailer 8
-
€22,193 EUR
£19,523 GBP
View
B+
Retailer 9
-
€22,327 EUR
$24,944 USD
View
Retailer 10
-
€22,357 EUR
A$38,426 AUD
View
Price last confirmed 29 days ago
B
Retailer 11
-
€23,022 EUR
$25,720 USD
View
B
Retailer 12
-
€23,022 EUR
$25,720 USD
View
B
Retailer 13
-
€23,336 EUR
$26,071 USD
View
B
Retailer 14
-
€23,783 EUR
$26,570 USD
View
B
Retailer 15
-
€23,923 EUR
A$41,118 AUD
View
B
Retailer 16
-
€26,483 EUR
View
B
Retailer 17
-
€30,190 EUR
ZAR 544,884 ZAR
View
Most Expensive
B
MOH London
E54837E51 · Nov 1
€34,098 EUR
£29,996 GBP
View
17 more retailers have this diamond
Prices start from €18,885 EURSave up to €15,214 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+
2.51ct Cushion
€18,885 EUR