CaratHunter
Plans
Cushion|Natural|GIA

1.30ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 1558676361

Certificate GIA 1558676361

Diamond specifications and retailer prices

From $3,132 SGD
As of November 6, 2026
Save $1,686 SGD (35%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,818 SGD 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 $3,132 to $4,818, a $1,686 spread on the same certified stone. 77 Diamonds lists it at $4,818. 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
Colour
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: $4,818 SGD|Low: $2,772 SGD|High: $6,435 SGD|Avg: $3,887 SGD|+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$2,912 SGD
Retailer 3$3,132 SGD
Retailer 8$3,162 SGD
Retailer 5$3,290 SGD
Retailer 7$3,380 SGD
Retailer 4$3,400 SGD
Retailer 2$3,455 SGD
Retailer 9$4,366 SGD
77 Diamonds$4,818 SGD
Retailer 10$6,435 SGD

41 data points across 10 retailers

5 retailers$3,132 SGD to $4,818 SGD

A
Cheapest Retailer
-
$3,132 SGD
A
Retailer 2
-
$3,290 SGD
View
A
Retailer 3
-
$3,400 SGD
View
A
Retailer 4
-
$3,455 SGD
View
Most Expensive
B
77 Diamonds
CUSMB7BKJHCVZ · Nov 5
$4,818 SGD
£2,960 GBP
View
4 more retailers have this diamond
Prices start from $3,132 SGDSave up to $1,686 SGD

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
$3,132 SGD