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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 $3,376 NZD
$1,903 USD
As of November 1, 2026
Save $3,861 NZD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,238 NZD 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 $3,376 to $7,238, a $3,861 spread on the same certified stone. MOH London lists it at $7,238. 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: $7,238 NZD|Low: $2,271 NZD|High: $7,276 NZD|Avg: $3,865 NZD|+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$2,271 NZD
Retailer 8$3,176 NZD
Retailer 5$3,376 NZD
Retailer 4$3,382 NZD
Retailer 18$3,412 NZD
Retailer 16$3,451 NZD
Retailer 14$3,453 NZD
Retailer 6$3,492 NZD
Retailer 3$3,523 NZD
Retailer 15$3,611 NZD
Retailer 17$3,742 NZD
Retailer 2$4,329 NZD
Retailer 13$4,329 NZD
Retailer 9$4,365 NZD
Retailer 11$4,489 NZD
Retailer 12$4,534 NZD
Retailer 10$5,602 NZD
MOH London$7,238 NZD

19 data points across 18 retailers

15 retailers$3,376 NZD to $7,238 NZD

Retailer 1
-
$2,271 NZD
HK$10,000 HKD
Price last confirmed 35 days ago
A
Retailer 2
-
$3,376 NZD
$1,903 USD
View
B+
Retailer 3
-
$3,382 NZD
$1,906 USD
View
B+
Retailer 4
-
$3,412 NZD
$1,923 USD
View
B+
Retailer 5
-
$3,451 NZD
$1,945 USD
View
A
Retailer 6
-
$3,453 NZD
$1,946 USD
View
Final sale: no returns
Retailer 7
-
$3,492 NZD
$1,968 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$3,523 NZD
$1,986 USD
View
A
Retailer 9
-
$3,611 NZD
$2,035 USD
View
B+
Retailer 10
-
$3,742 NZD
$2,109 USD
View
B+
Retailer 11
-
$4,329 NZD
$2,440 USD
View
B+
Retailer 12
-
$4,329 NZD
$2,440 USD
View
B+
Retailer 13
-
$4,489 NZD
$2,530 USD
View
B+
Retailer 14
-
$4,534 NZD
£2,012 GBP
View
Most Expensive
B
MOH London
73C689494 · Nov 1
$7,238 NZD
£3,212 GBP
View
14 more retailers have this diamond
Prices start from $3,376 NZDSave up to $3,861 NZD

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
$3,376 NZD