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Cushion|Natural|GIA

1.51ct L SI2 Cushion Natural Diamond

EX • L/SI2 • GIA 7551616311

Certificate GIA 7551616311

Diamond specifications and retailer prices

From $1,536 USD
As of November 5, 2026
Save $393 USD (20%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,929 USD at GemTrove · As of November 6, 2026
View at GemTrove

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 7551616311. Listed at 3 retailers as of November 5, 2026, with prices from $1,536 to $1,929, a $393 spread on the same certified stone. GemTrove lists it at $1,929. 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 7551616311
Dimensions6.40 × 6.18 × 4.29 mm
L/W Ratio1.04
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
6.40 mm6.18 mm1.51 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7551616311
Side View
Table 66.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 69.4%

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 5
Current: $1,929 USD|Low: $1,536 USD|High: $1,929 USD|Avg: $1,717 USD
GemTrove
Retailer 2
Retailer 3
November 5, 2026
Retailer 3$1,536 USD
Retailer 2$1,655 USD
GemTrove$1,929 USD

40 data points across 3 retailers

3 retailers$1,536 USD to $1,929 USD

A
Cheapest Retailer
-
$1,536 USD
A
Retailer 2
-
$1,655 USD
View
Most Expensive
B+
GemTrove
GT-N-00967885-98 · Nov 6
$1,929 USD
A$2,968 AUD
View
2 more retailers have this diamond
Prices start from $1,536 USDSave up to $393 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
$1,536 USD