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Cushion|Natural|GIA

1.30ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 1558676361

Certificate GIA 1558676361

Diamond specifications and retailer prices

From $2,444 USD
As of November 6, 2026
Save $1,316 USD (35%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,760 USD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

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 I 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 1558676361. Listed at 5 retailers as of November 5, 2026, with prices from $2,444 to $3,760, a $1,316 spread on the same certified stone. 77 Diamonds lists it at $3,760. 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
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1558676361
Dimensions7.48 × 5.76 × 3.84 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Top View
7.48 mm5.76 mm1.30 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1558676361
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.6%

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: $3,760 USD|Low: $2,163 USD|High: $5,021 USD|Avg: $3,033 USD|+21.9%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 6$2,272 USD
Retailer 3$2,444 USD
Retailer 8$2,467 USD
Retailer 5$2,567 USD
Retailer 7$2,637 USD
Retailer 4$2,653 USD
Retailer 2$2,696 USD
Retailer 9$3,407 USD
77 Diamonds$3,760 USD
Retailer 10$5,021 USD

41 data points across 10 retailers

5 retailers$2,444 USD to $3,760 USD

A
Cheapest Retailer
-
$2,444 USD
A
Retailer 2
-
$2,567 USD
View
A
Retailer 3
-
$2,653 USD
View
A
Retailer 4
-
$2,696 USD
View
Most Expensive
B
77 Diamonds
CUSMB7BKJHCVZ · Nov 5
$3,760 USD
£2,960 GBP
View
4 more retailers have this diamond
Prices start from $2,444 USDSave up to $1,316 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
$2,444 USD