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Cushion|Natural|GIA

1.30ct F SI2 Cushion Natural Diamond

ID • F/SI2 • GIA 2557836902

Certificate GIA 2557836902

Diamond specifications and retailer prices

From $2,125 USD
HK$16,600 HKD
As of November 1, 2026
Save $4,060 USD (66%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,185 USD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557836902. Listed at 13 retailers as of October 28, 2026, with prices from $2,125 to $6,185, a $4,060 spread on the same certified stone. Queensmith lists it at $6,185. 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

1.30
Carat
F
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557836902
Dimensions7.56 × 5.49 × 3.72 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural
Top View
7.56 mm5.49 mm1.30 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557836902
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.7%

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 1
Current: $6,185 USD|Low: $2,112 USD|High: $6,299 USD|Avg: $3,343 USD|+0.8%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$2,125 USD
Retailer 3$2,238 USD
Retailer 4$2,244 USD
Retailer 9$2,830 USD
Retailer 11$2,962 USD
Retailer 8$2,972 USD
Retailer 2$3,026 USD
Retailer 10$3,080 USD
Retailer 7$3,314 USD
Retailer 5$4,959 USD
Queensmith$6,185 USD

32 data points across 11 retailers

13 retailers$2,125 USD to $6,185 USD

A
Cheapest Retailer
-
$2,125 USD
HK$16,600 HKD
A
Retailer 2
-
$2,238 USD
SGD 3,024 SGD
View
A
Retailer 3
-
$2,244 USD
₹213,758 INR
View
A
Retailer 4
-
$2,762 USD
View
A
Retailer 5
-
$2,830 USD
View
A
Retailer 6
-
$2,962 USD
SGD 4,003 SGD
View
A
Retailer 7
-
$2,972 USD
View
A
Retailer 8
-
$3,026 USD
£2,383 GBP
View
A
Retailer 9
-
$3,060 USD
A$4,708 AUD
View
A
Retailer 10
-
$3,080 USD
View
A
Retailer 11
-
$3,314 USD
€3,156 EUR
View
B
Retailer 12
-
$4,959 USD
£3,905 GBP
View
Most Expensive
B
Queensmith
2557836902 · Oct 28
$6,185 USD
£4,870 GBP
View
12 more retailers have this diamond
Prices start from $2,125 USDSave up to $4,060 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
1.30ct Cushion
$2,125 USD