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Cushion|Natural|GIA

1.51ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2231926496

Certificate GIA 2231926496

Diamond specifications and retailer prices

From €5,065 EUR
$5,659 USD
As of October 31, 2026
Save €4,635 EUR (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €9,700 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two 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 2231926496. Listed at 14 retailers as of October 31, 2026, with prices from €5,065 to €9,700, a €4,635 spread on the same certified stone. MOH London lists it at €9,700. 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

1.51
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Pavilion angle35.83°
OriginNatural
Grading LabGIA
CertificateGIA 2231926496
Dimensions7.45 × 5.87 × 4.09 mm
L/W Ratio1.27
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
7.45 mm5.87 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2231926496
Side View
Table 62.0%CrownGirdle: THK-VTKPavilion 35.83°Culet: NoneDepth 69.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €9,700 EUR|Low: €5,048 EUR|High: €9,816 EUR|Avg: €6,809 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9€5,065 EUR
Retailer 5€5,820 EUR
Retailer 8€5,820 EUR
Retailer 10€5,836 EUR
Retailer 2€6,562 EUR
Retailer 7€6,651 EUR
Retailer 6€6,710 EUR
Retailer 4€7,605 EUR
Retailer 3€8,551 EUR
MOH London€9,700 EUR

44 data points across 10 retailers

14 retailers€5,065 EUR to €9,700 EUR

A
Cheapest Retailer
-
€5,065 EUR
$5,659 USD
B+
Retailer 2
-
€5,499 EUR
$6,143 USD
View
B+
Retailer 3
-
€5,507 EUR
$6,153 USD
View
B+
Retailer 4
-
€5,575 EUR
$6,229 USD
View
B+
Retailer 5
-
€5,820 EUR
$6,502 USD
View
Final sale: no returns
B+
Retailer 6
-
€5,820 EUR
$6,502 USD
View
B+
Retailer 7
-
€5,836 EUR
$6,520 USD
View
B+
Retailer 8
-
€6,562 EUR
£5,772 GBP
View
B+
Retailer 9
-
€6,651 EUR
$7,431 USD
View
Retailer 10
-
€6,710 EUR
A$11,533 AUD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
€7,605 EUR
View
Retailer 12
-
€7,668 EUR
$8,567 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
€8,551 EUR
ZAR 154,335 ZAR
View
Most Expensive
B
MOH London
75DE28E9A · Nov 1
€9,700 EUR
£8,533 GBP
View
13 more retailers have this diamond
Prices start from €5,065 EURSave up to €4,635 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.

A
1.51ct Cushion
€5,065 EUR