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Cushion|Natural|GIA

1.30ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 2424149933

Certificate GIA 2424149933

Diamond specifications and retailer prices

From $4,983 SGD
As of November 5, 2026
Save $4,851 SGD (49%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $9,834 SGD at MOH London · As of November 4, 2026
View at MOH London

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2424149933. Listed at 9 retailers as of November 4, 2026, with prices from $4,983 to $9,834, a $4,851 spread on the same certified stone. MOH London lists it at $9,834. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle39.17°
Pavilion angle33.49°
OriginNatural
Grading LabGIA
CertificateGIA 2424149933
Dimensions6.00 × 5.76 × 4.25 mm
L/W Ratio1.04
Top View
6.00 mm5.76 mm1.30 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2424149933
Side View
Table 58.0%Crown 39.17°Girdle: ThickPavilion 33.49°Culet: NoneDepth 73.8%

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: $9,834 SGD|Low: $4,797 SGD|High: $10,090 SGD|Avg: $6,436 SGD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$4,934 SGD
Retailer 4$4,983 SGD
Retailer 7$5,176 SGD
Retailer 9$5,994 SGD
Retailer 3$6,159 SGD
Retailer 5$6,370 SGD
Retailer 8$6,370 SGD
Retailer 6$6,575 SGD
Retailer 2$6,967 SGD
MOH London$9,834 SGD

45 data points across 10 retailers

9 retailers$4,983 SGD to $9,834 SGD

A
Cheapest Retailer
-
$4,983 SGD
A
Retailer 2
-
$5,176 SGD
View
Final sale: no returns
B+
Retailer 3
-
$5,994 SGD
View
B+
Retailer 4
-
$6,159 SGD
View
B+
Retailer 5
-
$6,370 SGD
View
B+
Retailer 6
-
$6,370 SGD
View
B+
Retailer 7
-
$6,575 SGD
View
B+
Retailer 8
-
$6,967 SGD
View
Most Expensive
B
MOH London
AF242E4A1 · Nov 4
$9,834 SGD
£6,042 GBP
View
8 more retailers have this diamond
Prices start from $4,983 SGDSave up to $4,851 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
$4,983 SGD