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Cushion|Natural|GIA

1.30ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 7436877616

Certificate GIA 7436877616

Diamond specifications and retailer prices

From $6,375 SGD
As of November 4, 2026
Save $5,237 SGD (45%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $11,612 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 7436877616. Listed at 8 retailers as of November 4, 2026, with prices from $6,375 to $11,612, a $5,237 spread on the same certified stone. MOH London lists it at $11,612. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle39.43°
Pavilion angle30.75°
OriginNatural
Grading LabGIA
CertificateGIA 7436877616
Dimensions6.79 × 5.38 × 3.94 mm
L/W Ratio1.26
Top View
6.79 mm5.38 mm1.30 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 7436877616
Side View
Table 60.0%Crown 39.43°Girdle: Slightly ThickPavilion 30.75°Culet: NDepth 73.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $11,612 SGD|Low: $6,035 SGD|High: $11,782 SGD|Avg: $8,147 SGD|+2.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$6,375 SGD
Retailer 6$6,746 SGD
Retailer 7$7,310 SGD
Retailer 5$7,349 SGD
Retailer 2$8,225 SGD
Retailer 4$8,593 SGD
Retailer 3$8,919 SGD
MOH London$11,612 SGD

43 data points across 8 retailers

8 retailers$6,375 SGD to $11,612 SGD

B+
Cheapest Retailer
-
$6,375 SGD
B+
Retailer 2
-
$6,746 SGD
View
Final sale: no returns
Retailer 3
-
$7,310 SGD
View
Price last confirmed 9 days ago
Retailer 4
-
$7,349 SGD
View
Price last confirmed 20 days ago
B
Retailer 5
-
$8,225 SGD
View
B
Retailer 6
-
$8,593 SGD
View
B
Retailer 7
-
$8,919 SGD
View
Most Expensive
B
MOH London
52759B235 · Nov 4
$11,612 SGD
£7,134 GBP
View
7 more retailers have this diamond
Prices start from $6,375 SGDSave up to $5,237 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.

B+
1.30ct Cushion
$6,375 SGD