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Cushion|Natural|GIA

1.20ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 2556305715

Certificate GIA 2556305715

Diamond specifications and retailer prices

From $2,163 USD
As of November 6, 2026
Save $2,734 USD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,897 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-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 2556305715. Listed at 20 retailers as of November 2, 2026, with prices from $2,163 to $4,897, a $2,734 spread on the same certified stone. MOH London lists it at $4,897. 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

1.20
Carat
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556305715
Dimensions6.98 × 5.58 × 3.84 mm
L/W Ratio1.25
Girdle conditionFaceted
Top View
6.98 mm5.58 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556305715
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.8%

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 6
Current: $4,897 USD|Low: $2,124 USD|High: $4,924 USD|Avg: $2,868 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 7, 2026
Retailer 7$2,163 USD
Retailer 11$2,325 USD
Retailer 9$2,336 USD
Retailer 12$2,362 USD
Retailer 18$2,372 USD
Retailer 10$2,491 USD
Retailer 13$2,498 USD
Retailer 17$2,552 USD
Retailer 4$2,565 USD
Retailer 16$2,606 USD
Retailer 8$2,671 USD
Retailer 5$2,700 USD
Retailer 6$2,871 USD
Retailer 2$2,958 USD
Retailer 14$3,253 USD
Retailer 15$3,411 USD
Retailer 3$4,408 USD
MOH London$4,897 USD

25 data points across 18 retailers

20 retailers$2,163 USD to $4,897 USD

A
Cheapest Retailer
-
$2,163 USD
A
Retailer 2
-
$2,325 USD
View
A
Retailer 3
-
$2,336 USD
View
Final sale: no returns
A
Retailer 4
-
$2,362 USD
View
A
Retailer 5
-
$2,372 USD
View
A
Retailer 6
-
$2,491 USD
View
A
Retailer 7
-
$2,498 USD
View
A
Retailer 8
-
$2,552 USD
View
A
Retailer 9
-
$2,565 USD
View
A
Retailer 10
-
$2,606 USD
View
A
Retailer 11
-
$2,671 USD
View
A
Retailer 12
-
$2,700 USD
View
B+
Retailer 13
-
$2,858 USD
View
B+
Retailer 14
-
$2,871 USD
View
B+
Retailer 15
-
$2,958 USD
View
Retailer 16
-
$3,131 USD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
$3,253 USD
View
B+
Retailer 18
-
$3,411 USD
View
B
Retailer 19
-
$4,408 USD
View
Most Expensive
B
MOH London
721053E8E · Nov 2
$4,897 USD
£3,856 GBP
View
19 more retailers have this diamond
Prices start from $2,163 USDSave up to $2,734 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
1.20ct Cushion
$2,163 USD