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Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 2231947275

Certificate GIA 2231947275

Diamond specifications and retailer prices

From €1,703 EUR
$1,903 USD
As of November 1, 2026
Save €1,948 EUR (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €3,651 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231947275. Listed at 15 retailers as of November 1, 2026, with prices from €1,703 to €3,651, a €1,948 spread on the same certified stone. MOH London lists it at €3,651. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Pavilion angle36.21°
OriginNatural
Grading LabGIA
CertificateGIA 2231947275
Dimensions6.71 × 6.24 × 4.27 mm
L/W Ratio1.08
Key to symbols
Crystal, Feather, Needle
Top View
6.71 mm6.24 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2231947275
Side View
Table 59.0%CrownGirdle: STK-VTKPavilion 36.21°Culet: NoneDepth 68.5%

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: Nov 1
Current: €3,651 EUR|Low: €1,146 EUR|High: €3,671 EUR|Avg: €1,950 EUR|+31.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 7€1,146 EUR
Retailer 8€1,602 EUR
Retailer 5€1,703 EUR
Retailer 4€1,706 EUR
Retailer 18€1,721 EUR
Retailer 16€1,741 EUR
Retailer 14€1,742 EUR
Retailer 6€1,762 EUR
Retailer 3€1,777 EUR
Retailer 15€1,822 EUR
Retailer 17€1,888 EUR
Retailer 2€2,184 EUR
Retailer 13€2,184 EUR
Retailer 9€2,202 EUR
Retailer 11€2,265 EUR
Retailer 12€2,287 EUR
Retailer 10€2,826 EUR
MOH London€3,651 EUR

19 data points across 18 retailers

15 retailers€1,703 EUR to €3,651 EUR

Retailer 1
-
€1,146 EUR
HK$10,000 HKD
Price last confirmed 35 days ago
A
Retailer 2
-
€1,703 EUR
$1,903 USD
View
B+
Retailer 3
-
€1,706 EUR
$1,906 USD
View
B+
Retailer 4
-
€1,721 EUR
$1,923 USD
View
B+
Retailer 5
-
€1,741 EUR
$1,945 USD
View
A
Retailer 6
-
€1,742 EUR
$1,946 USD
View
Final sale: no returns
Retailer 7
-
€1,762 EUR
$1,968 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
€1,777 EUR
$1,986 USD
View
A
Retailer 9
-
€1,822 EUR
$2,035 USD
View
B+
Retailer 10
-
€1,888 EUR
$2,109 USD
View
B+
Retailer 11
-
€2,184 EUR
$2,440 USD
View
B+
Retailer 12
-
€2,184 EUR
$2,440 USD
View
B+
Retailer 13
-
€2,265 EUR
$2,530 USD
View
B+
Retailer 14
-
€2,287 EUR
£2,012 GBP
View
Most Expensive
B
MOH London
73C689494 · Nov 1
€3,651 EUR
£3,212 GBP
View
14 more retailers have this diamond
Prices start from €1,703 EURSave up to €1,948 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
€1,703 EUR