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Cushion|Natural|GIA

1.51ct G SI2 Cushion Natural Diamond

EX • G/SI2 • GIA 6545150584

Certificate GIA 6545150584

Diamond specifications and retailer prices

From $6,696 NZD
As of November 6, 2026
Save $7,819 NZD (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $14,515 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 G 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 6545150584. Listed at 8 retailers as of November 4, 2026, with prices from $6,696 to $14,515, a $7,819 spread on the same certified stone. MOH London lists it at $14,515. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle35.24°
OriginNatural
Grading LabGIA
CertificateGIA 6545150584
Dimensions7.70 × 5.92 × 4.05 mm
L/W Ratio1.30
Top View
7.70 mm5.92 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545150584
Side View
Table 62.0%CrownGirdle: MED-THKPavilion 35.24°Culet: NoneDepth 68.5%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $14,515 NZD|Low: $6,696 NZD|High: $16,577 NZD|Avg: $10,288 NZD|-12.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$6,696 NZD
Retailer 5$8,047 NZD
Retailer 7$8,639 NZD
Retailer 2$8,691 NZD
Retailer 6$9,683 NZD
Retailer 3$10,239 NZD
MOH London$14,515 NZD

44 data points across 7 retailers

8 retailers$6,696 NZD to $14,515 NZD

A
Cheapest Retailer
-
$6,696 NZD
A
Retailer 2
-
$8,047 NZD
View
Retailer 3
-
$8,639 NZD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$8,691 NZD
View
A
Retailer 5
-
$9,683 NZD
View
B+
Retailer 6
-
$10,239 NZD
View
B+
Retailer 7
-
$10,867 NZD
View
Most Expensive
B+
MOH London
CBEB73E5B · Nov 4
$14,515 NZD
£6,336 GBP
View
7 more retailers have this diamond
Prices start from $6,696 NZDSave up to $7,819 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
$6,696 NZD