Cushion|Natural|GIA

1.20ct H SI2 Cushion Natural Diamond

ID • H/SI2 • GIA 3405785665

Certificate GIA 3405785665

Diamond specifications and retailer prices

From $1,190 USD
As of November 6, 2026
Save $1,660 USD (58%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,850 USD at MOH London · As of November 4, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3405785665. Listed at 17 retailers as of November 4, 2026, with prices from $1,190 to $2,850, a $1,660 spread on the same certified stone. MOH London lists it at $2,850. 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
H
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3405785665
Dimensions6.11 × 5.68 × 3.96 mm
L/W Ratio1.08
Top View
6.11 mm5.68 mm1.20 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3405785665
Side View
Table 67.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 69.7%

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: $2,850 USD|Low: $1,190 USD|High: $2,893 USD|Avg: $1,764 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 2$1,190 USD
Retailer 8$1,190 USD
Retailer 7$1,451 USD
Retailer 10$1,505 USD
Retailer 3$1,604 USD
Retailer 9$1,648 USD
Retailer 5$1,654 USD
Retailer 6$1,810 USD
Retailer 4$2,215 USD
MOH London$2,850 USD

28 data points across 10 retailers

17 retailers$1,190 USD to $2,850 USD

A
Cheapest Retailer
-
$1,190 USD
A
Retailer 2
-
$1,190 USD
View
A
Retailer 3
-
$1,451 USD
View
A
Retailer 4
-
$1,505 USD
View
Final sale: no returns
A
Retailer 5
-
$1,511 USD
View
A
Retailer 6
-
$1,540 USD
View
A
Retailer 7
-
$1,604 USD
View
Retailer 8
-
$1,631 USD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$1,648 USD
View
A
Retailer 10
-
$1,654 USD
View
A
Retailer 11
-
$1,676 USD
View
A
Retailer 12
-
$1,767 USD
View
A
Retailer 13
-
$1,810 USD
View
B+
Retailer 14
-
$2,215 USD
View
B+
Retailer 15
-
$2,291 USD
View
B+
Retailer 16
-
$2,510 USD
View
Most Expensive
B+
MOH London
629784957 · Nov 4
$2,850 USD
£2,244 GBP
View
16 more retailers have this diamond
Prices start from $1,190 USDSave up to $1,660 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
$1,190 USD