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Cushion|Natural|GIA

2.51ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6541823306

Certificate GIA 6541823306

Diamond specifications and retailer prices

From €23,817 EUR
$26,608 USD
As of October 30, 2026
Save €17,038 EUR (42%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €40,854 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541823306. Listed at 9 retailers as of October 30, 2026, with prices from €23,817 to €40,854, a €17,038 spread on the same certified stone. MOH London lists it at €40,854. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6541823306
Dimensions9.63 × 6.76 × 4.71 mm
L/W Ratio1.42
Top View
9.63 mm6.76 mm2.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6541823306
Side View
Table 69.0%CrownGirdlePavilionCuletDepth 69.7%

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: Oct 30
Current: €40,854 EUR|Low: €23,817 EUR|High: €41,346 EUR|Avg: €30,473 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7€23,817 EUR
Retailer 8€25,434 EUR
Retailer 9€26,136 EUR
Retailer 6€26,159 EUR
Retailer 3€26,612 EUR
Retailer 2€28,853 EUR
Retailer 5€31,740 EUR
Retailer 4€36,172 EUR
MOH London€40,854 EUR

39 data points across 9 retailers

9 retailers€23,817 EUR to €40,854 EUR

B+
Cheapest Retailer
-
€23,817 EUR
$26,608 USD
B
Retailer 2
-
€25,434 EUR
$28,415 USD
View
Retailer 3
-
€26,136 EUR
A$44,922 AUD
View
Price last confirmed 28 days ago
B
Retailer 4
-
€26,159 EUR
$29,225 USD
View
B
Retailer 5
-
€26,612 EUR
£23,410 GBP
View
B
Retailer 6
-
€28,853 EUR
£25,382 GBP
View
B
Retailer 7
-
€31,740 EUR
View
B
Retailer 8
-
€36,172 EUR
ZAR 652,861 ZAR
View
Most Expensive
B
MOH London
E468C0AC2 · Nov 1
€40,854 EUR
£35,939 GBP
View
8 more retailers have this diamond
Prices start from €23,817 EURSave up to €17,038 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
€23,817 EUR