Cushion|Natural|GIA

1.30ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 2424149933

Certificate GIA 2424149933

Diamond specifications and retailer prices

From $3,888 USD
As of November 5, 2026
Save $3,785 USD (49%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,673 USD 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 $3,888 to $7,673, a $3,785 spread on the same certified stone. MOH London lists it at $7,673. 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
Color
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: $7,673 USD|Low: $3,743 USD|High: $7,873 USD|Avg: $5,026 USD|-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$3,850 USD
Retailer 4$3,888 USD
Retailer 7$4,039 USD
Retailer 9$4,677 USD
Retailer 3$4,806 USD
Retailer 5$4,970 USD
Retailer 8$4,970 USD
Retailer 6$5,130 USD
Retailer 2$5,436 USD
MOH London$7,673 USD

46 data points across 10 retailers

9 retailers$3,888 USD to $7,673 USD

A
Cheapest Retailer
-
$3,888 USD
A
Retailer 2
-
$4,039 USD
View
Final sale: no returns
B+
Retailer 3
-
$4,677 USD
View
B+
Retailer 4
-
$4,806 USD
View
B+
Retailer 5
-
$4,970 USD
View
B+
Retailer 6
-
$4,970 USD
View
B+
Retailer 7
-
$5,130 USD
View
B+
Retailer 8
-
$5,436 USD
View
Most Expensive
B
MOH London
AF242E4A1 · Nov 4
$7,673 USD
£6,042 GBP
View
8 more retailers have this diamond
Prices start from $3,888 USDSave up to $3,785 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
$3,888 USD