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Cushion|Natural|GIA

1.51ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 7538986848

Certificate GIA 7538986848

Diamond specifications and retailer prices

From $2,534 NZD
As of November 6, 2026
Save $3,280 NZD (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,814 NZD at MOH London · As of November 4, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7538986848. Listed at 10 retailers as of November 4, 2026, with prices from $2,534 to $5,814, a $3,280 spread on the same certified stone. MOH London lists it at $5,814. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7538986848
Dimensions7.12 × 6.37 × 4.41 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.12 mm6.37 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7538986848
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.3%

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 6
Current: $5,814 NZD|Low: $2,534 NZD|High: $6,296 NZD|Avg: $3,843 NZD|-7.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3$2,534 NZD
Retailer 8$3,031 NZD
Retailer 4$3,316 NZD
Retailer 10$3,404 NZD
Retailer 9$3,467 NZD
Retailer 5$3,574 NZD
Retailer 6$3,611 NZD
Retailer 7$3,649 NZD
Retailer 2$4,593 NZD
MOH London$5,814 NZD

24 data points across 10 retailers

10 retailers$2,534 NZD to $5,814 NZD

A
Cheapest Retailer
-
$2,534 NZD
A
Retailer 2
-
$3,031 NZD
View
A
Retailer 3
-
$3,316 NZD
View
Retailer 4
-
$3,404 NZD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$3,467 NZD
View
A
Retailer 6
-
$3,574 NZD
View
A
Retailer 7
-
$3,611 NZD
View
A
Retailer 8
-
$3,649 NZD
View
B+
Retailer 9
-
$4,593 NZD
View
Most Expensive
B+
MOH London
B65DAFE3E · Nov 4
$5,814 NZD
£2,538 GBP
View
9 more retailers have this diamond
Prices start from $2,534 NZDSave up to $3,280 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
$2,534 NZD