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Cushion|Natural|GIA

1.30ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 1439179846

Certificate GIA 1439179846

Diamond specifications and retailer prices

From $5,301 SGD
As of November 5, 2026
Save $5,386 SGD (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,687 SGD at MOH London · As of November 2, 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 F 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 1439179846. Listed at 14 retailers as of November 2, 2026, with prices from $5,301 to $10,687, a $5,386 spread on the same certified stone. MOH London lists it at $10,687. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1439179846
Dimensions6.52 × 5.84 × 4.00 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.52 mm5.84 mm1.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1439179846
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.5%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $10,687 SGD|Low: $5,402 SGD|High: $10,816 SGD|Avg: $7,322 SGD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 7$5,402 SGD
Retailer 3$6,509 SGD
Retailer 4$6,517 SGD
Retailer 2$6,648 SGD
Retailer 8$6,763 SGD
Retailer 5$7,550 SGD
Retailer 6$8,186 SGD
MOH London$10,687 SGD

37 data points across 8 retailers

14 retailers$5,301 SGD to $10,687 SGD

B+
Cheapest Retailer
-
$5,301 SGD
B+
Retailer 2
-
$5,402 SGD
View
B+
Retailer 3
-
$5,657 SGD
View
B+
Retailer 4
-
$5,735 SGD
View
B+
Retailer 5
-
$6,030 SGD
View
Retailer 6
-
$6,079 SGD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$6,434 SGD
View
B+
Retailer 8
-
$6,509 SGD
View
B+
Retailer 9
-
$6,517 SGD
View
B+
Retailer 10
-
$6,648 SGD
View
Retailer 11
-
$6,763 SGD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$7,550 SGD
View
B
Retailer 13
-
$8,186 SGD
View
Most Expensive
B
MOH London
EAFA9A98E · Nov 2
$10,687 SGD
£6,566 GBP
View
13 more retailers have this diamond
Prices start from $5,301 SGDSave up to $5,386 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
$5,301 SGD