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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 $4,136 USD
As of November 5, 2026
Save $4,203 USD (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,339 USD 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 $4,136 to $8,339, a $4,203 spread on the same certified stone. MOH London lists it at $8,339. 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
Color
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: $8,339 USD|Low: $4,215 USD|High: $8,439 USD|Avg: $5,713 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 7$4,215 USD
Retailer 3$5,079 USD
Retailer 4$5,085 USD
Retailer 2$5,187 USD
Retailer 8$5,277 USD
Retailer 5$5,891 USD
Retailer 6$6,387 USD
MOH London$8,339 USD

37 data points across 8 retailers

14 retailers$4,136 USD to $8,339 USD

B+
Cheapest Retailer
-
$4,136 USD
B+
Retailer 2
-
$4,215 USD
View
B+
Retailer 3
-
$4,414 USD
View
B+
Retailer 4
-
$4,475 USD
View
B+
Retailer 5
-
$4,705 USD
View
Retailer 6
-
$4,743 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$5,020 USD
View
B+
Retailer 8
-
$5,079 USD
View
B+
Retailer 9
-
$5,085 USD
View
B+
Retailer 10
-
$5,187 USD
View
Retailer 11
-
$5,277 USD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$5,891 USD
View
B
Retailer 13
-
$6,387 USD
View
Most Expensive
B
MOH London
EAFA9A98E · Nov 2
$8,339 USD
£6,566 GBP
View
13 more retailers have this diamond
Prices start from $4,136 USDSave up to $4,203 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.

B+
1.30ct Cushion
$4,136 USD