Cushion|Natural|GIA

1.20ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6237990521

Certificate GIA 6237990521

Diamond specifications and retailer prices

From $1,843 USD
As of November 6, 2026
Save $2,601 USD (59%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,444 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6237990521. Listed at 10 retailers as of November 2, 2026, with prices from $1,843 to $4,444, a $2,601 spread on the same certified stone. MOH London lists it at $4,444. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle37.15°
OriginNatural
Grading LabGIA
CertificateGIA 6237990521
Dimensions7.29 × 5.50 × 3.83 mm
L/W Ratio1.33
Key to symbols
Crystal, Cloud, Needle
Top View
7.29 mm5.50 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237990521
Side View
Table 64.0%CrownGirdle: MED-THKPavilion 37.15°Culet: NoneDepth 69.6%

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: $4,444 USD|Low: $1,843 USD|High: $4,718 USD|Avg: $2,965 USD|-5.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$1,843 USD
Retailer 5$2,206 USD
Retailer 8$2,341 USD
Retailer 2$2,428 USD
Retailer 4$2,561 USD
Retailer 7$2,737 USD
Retailer 3$3,122 USD
Retailer 9$3,853 USD
MOH London$4,444 USD

32 data points across 9 retailers

10 retailers$1,843 USD to $4,444 USD

A
Cheapest Retailer
-
$1,843 USD
Retailer 2
-
$2,206 USD
View
Price last confirmed 3 days ago
B+
Retailer 3
-
$2,341 USD
View
B+
Retailer 4
-
$2,428 USD
View
B+
Retailer 5
-
$2,561 USD
View
B+
Retailer 6
-
$2,737 USD
View
B+
Retailer 7
-
$2,800 USD
View
B+
Retailer 8
-
$3,122 USD
View
B
Retailer 9
-
$3,853 USD
View
Most Expensive
B
MOH London
7E12B0BD9 · Nov 2
$4,444 USD
£3,499 GBP
View
9 more retailers have this diamond
Prices start from $1,843 USDSave up to $2,601 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
$1,843 USD