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Cushion|Natural|GIA

1.20ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 3555517984

Certificate GIA 3555517984

Diamond specifications and retailer prices

From $1,690 USD
HK$13,200 HKD
As of November 1, 2026
Save $2,245 USD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,934 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 I 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 3555517984. Listed at 13 retailers as of November 1, 2026, with prices from $1,690 to $3,934, a $2,245 spread on the same certified stone. MOH London lists it at $3,934. 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
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555517984
Dimensions7.08 × 5.45 × 3.75 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle
Top View
7.08 mm5.45 mm1.20 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3555517984
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,934 USD|Low: $1,677 USD|High: $4,025 USD|Avg: $2,400 USD|-2.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 9$1,690 USD
Retailer 4$1,777 USD
Retailer 11$1,977 USD
Retailer 7$2,072 USD
Retailer 10$2,258 USD
Retailer 3$2,358 USD
Retailer 2$2,360 USD
Retailer 6$2,385 USD
Retailer 8$2,444 USD
Retailer 5$2,804 USD
MOH London$3,934 USD

37 data points across 11 retailers

13 retailers$1,690 USD to $3,934 USD

A
Cheapest Retailer
-
$1,690 USD
HK$13,200 HKD
A
Retailer 2
-
$1,777 USD
₹169,262 INR
View
A
Retailer 3
-
$1,977 USD
SGD 2,671 SGD
View
A
Retailer 4
-
$2,072 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,129 USD
View
A
Retailer 6
-
$2,258 USD
View
B+
Retailer 7
-
$2,293 USD
A$3,528 AUD
View
B+
Retailer 8
-
$2,358 USD
SGD 3,186 SGD
View
B+
Retailer 9
-
$2,360 USD
View
B+
Retailer 10
-
$2,385 USD
View
B+
Retailer 11
-
$2,444 USD
£1,924 GBP
View
B+
Retailer 12
-
$2,804 USD
€2,670 EUR
View
Most Expensive
B
MOH London
B2293D0D3 · Nov 2
$3,934 USD
£3,098 GBP
View
12 more retailers have this diamond
Prices start from $1,690 USDSave up to $2,245 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
$1,690 USD