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Cushion|Natural|GIA

1.51ct L SI2 Cushion Natural Diamond

EX • L/SI2 • GIA 6562733728

Certificate GIA 6562733728

Diamond specifications and retailer prices

From $1,671 USD
As of November 6, 2026
Save $628 USD (27%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,299 USD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded L 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 6562733728. Listed at 9 retailers as of November 6, 2026, with prices from $1,671 to $2,299, a $628 spread on the same certified stone. 77 Diamonds lists it at $2,299. 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
L
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562733728
Dimensions7.52 × 5.79 × 3.98 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Knot, Cavity, Needle
Top View
7.52 mm5.79 mm1.51 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562733728
Side View
Table 67.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 68.8%

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: $2,299 USD|Low: $1,671 USD|High: $2,397 USD|Avg: $2,080 USD|-4.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$1,671 USD
Retailer 7$1,889 USD
Retailer 6$1,954 USD
Retailer 5$1,962 USD
Retailer 3$2,137 USD
Retailer 9$2,157 USD
Retailer 8$2,176 USD
Retailer 4$2,255 USD
77 Diamonds$2,299 USD

10 data points across 9 retailers

9 retailers$1,671 USD to $2,299 USD

A
Cheapest Retailer
-
$1,671 USD
A
Retailer 2
-
$1,889 USD
View
A
Retailer 3
-
$1,954 USD
View
Final sale: no returns
A
Retailer 4
-
$1,962 USD
View
B+
Retailer 5
-
$2,137 USD
View
B+
Retailer 6
-
$2,157 USD
View
B+
Retailer 7
-
$2,176 USD
View
B+
Retailer 8
-
$2,255 USD
View
Most Expensive
B+
77 Diamonds
CUSPUIFSRX2D7FDC · Nov 6
$2,299 USD
£1,811 GBP
View
8 more retailers have this diamond
Prices start from $1,671 USDSave up to $628 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
$1,671 USD