Cushion|Natural|GIA

1.51ct G SI2 Cushion Natural Diamond

EX • G/SI2 • GIA 6545150584

Certificate GIA 6545150584

Diamond specifications and retailer prices

From $3,712 USD
As of November 6, 2026
Save $4,335 USD (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,047 USD 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 $3,712 to $8,047, a $4,335 spread on the same certified stone. MOH London lists it at $8,047. 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
Color
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: $8,047 USD|Low: $3,712 USD|High: $9,190 USD|Avg: $5,703 USD|-12.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$3,712 USD
Retailer 5$4,461 USD
Retailer 7$4,789 USD
Retailer 2$4,818 USD
Retailer 6$5,368 USD
Retailer 3$5,676 USD
MOH London$8,047 USD

44 data points across 7 retailers

8 retailers$3,712 USD to $8,047 USD

A
Cheapest Retailer
-
$3,712 USD
A
Retailer 2
-
$4,461 USD
View
Retailer 3
-
$4,789 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$4,818 USD
View
A
Retailer 5
-
$5,368 USD
View
B+
Retailer 6
-
$5,676 USD
View
B+
Retailer 7
-
$6,024 USD
View
Most Expensive
B+
MOH London
CBEB73E5B · Nov 4
$8,047 USD
£6,336 GBP
View
7 more retailers have this diamond
Prices start from $3,712 USDSave up to $4,335 USD

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
$3,712 USD