CaratHunter
Plans
Cushion|Natural|GIA

1.20ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 6555439773

Certificate GIA 6555439773

Diamond specifications and retailer prices

From $3,443 USD
As of November 4, 2026
Save $3,885 USD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,328 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 D 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 6555439773. Listed at 19 retailers as of November 2, 2026, with prices from $3,443 to $7,328, a $3,885 spread on the same certified stone. MOH London lists it at $7,328. 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
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555439773
Dimensions7.35 × 5.49 × 3.62 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle
Top View
7.35 mm5.49 mm1.20 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555439773
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.0%

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 4
Current: $7,328 USD|Low: $3,417 USD|High: $7,666 USD|Avg: $4,948 USD|-4.4%
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
November 5, 2026
Retailer 12$3,443 USD
Retailer 9$3,626 USD
Retailer 5$3,968 USD
Retailer 2$4,233 USD
Retailer 3$4,246 USD
Retailer 6$4,383 USD
Retailer 10$4,487 USD
Retailer 7$4,529 USD
Retailer 4$4,710 USD
Retailer 14$4,750 USD
Retailer 8$5,184 USD
Retailer 11$5,654 USD
Retailer 13$7,239 USD
MOH London$7,328 USD

25 data points across 14 retailers

19 retailers$3,443 USD to $7,328 USD

B+
Cheapest Retailer
-
$3,443 USD
B+
Retailer 2
-
$3,626 USD
View
Retailer 3
-
$3,968 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$4,233 USD
View
B+
Retailer 5
-
$4,246 USD
View
Final sale: no returns
B
Retailer 6
-
$4,377 USD
View
B
Retailer 7
-
$4,380 USD
View
Retailer 8
-
$4,383 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$4,487 USD
View
B+
Retailer 10
-
$4,529 USD
View
B
Retailer 11
-
$4,665 USD
View
B
Retailer 12
-
$4,710 USD
View
B
Retailer 13
-
$4,750 USD
View
Retailer 14
-
$4,762 USD
View
Price last confirmed 21 days ago
Retailer 15
-
$4,842 USD
View
Price last confirmed 28 days ago
B
Retailer 16
-
$5,184 USD
View
B
Retailer 17
-
$5,654 USD
View
Retailer 18
-
$7,239 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
80E0F79BE · Nov 2
$7,328 USD
£5,770 GBP
View
18 more retailers have this diamond
Prices start from $3,443 USDSave up to $3,885 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+
1.20ct Cushion
$3,443 USD