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Cushion|Natural|GIA

1.55ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 7556423959

Certificate GIA 7556423959

Diamond specifications and retailer prices

From $1,916 USD
As of November 6, 2026
Save $351 USD (15%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,267 USD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.55ct natural cushion diamond

This 1.55ct 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 7556423959. Listed at 6 retailers as of November 6, 2026, with prices from $1,916 to $2,267, a $351 spread on the same certified stone. GemTrove lists it at $2,267. 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

1.55
Carat
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7556423959
Dimensions6.50 × 6.35 × 4.31 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Indented Natural
Top View
6.50 mm6.35 mm1.55 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556423959
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.9%

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: $2,267 USD|Low: $1,722 USD|High: $2,445 USD|Avg: $2,087 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 3$1,916 USD
Retailer 4$1,928 USD
Retailer 6$1,948 USD
Retailer 2$2,086 USD
Retailer 5$2,224 USD
GemTrove$2,267 USD

40 data points across 6 retailers

6 retailers$1,916 USD to $2,267 USD

A
Cheapest Retailer
-
$1,916 USD
A
Retailer 2
-
$1,928 USD
View
Final sale: no returns
A
Retailer 3
-
$1,948 USD
View
A
Retailer 4
-
$2,086 USD
View
A
Retailer 5
-
$2,224 USD
View
Most Expensive
B+
GemTrove
GT-N-00952899-98 · Nov 6
$2,267 USD
A$3,488 AUD
View
5 more retailers have this diamond
Prices start from $1,916 USDSave up to $351 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
1.55ct Cushion
$1,916 USD