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Cushion|Natural|GIA

1.20ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 7551587301

Certificate GIA 7551587301

Diamond specifications and retailer prices

From $2,439 SGD
HK$14,900 HKD
As of November 1, 2026
Save $3,226 SGD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,665 SGD 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 J 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 7551587301. Listed at 17 retailers as of November 1, 2026, with prices from $2,439 to $5,665, a $3,226 spread on the same certified stone. MOH London lists it at $5,665. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551587301
Dimensions7.39 × 5.49 × 3.69 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Indented Natural, Needle, Natural
Top View
7.39 mm5.49 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7551587301
Side View
Table 66.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 67.1%

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 1
Current: $5,665 SGD|Low: $2,423 SGD|High: $5,763 SGD|Avg: $3,446 SGD|-1.7%
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
November 3, 2026
Retailer 11$2,439 SGD
Retailer 6$2,555 SGD
Retailer 3$2,848 SGD
Retailer 10$2,985 SGD
Retailer 7$3,154 SGD
Retailer 13$3,250 SGD
Retailer 5$3,398 SGD
Retailer 9$3,414 SGD
Retailer 2$3,456 SGD
Retailer 4$3,536 SGD
Retailer 12$3,995 SGD
Retailer 8$4,038 SGD
MOH London$5,665 SGD

25 data points across 13 retailers

17 retailers$2,439 SGD to $5,665 SGD

B+
Cheapest Retailer
-
$2,439 SGD
HK$14,900 HKD
B+
Retailer 2
-
$2,555 SGD
₹190,241 INR
View
B+
Retailer 3
-
$2,848 SGD
View
B+
Retailer 4
-
$2,985 SGD
$2,334 USD
View
Final sale: no returns
B
Retailer 5
-
$3,040 SGD
$2,377 USD
View
B
Retailer 6
-
$3,044 SGD
$2,380 USD
View
B+
Retailer 7
-
$3,154 SGD
£1,942 GBP
View
B+
Retailer 8
-
$3,250 SGD
$2,541 USD
View
Retailer 9
-
$3,398 SGD
View
Price last confirmed 7 days ago
B
Retailer 10
-
$3,414 SGD
$2,669 USD
View
B
Retailer 11
-
$3,423 SGD
A$4,118 AUD
View
B
Retailer 12
-
$3,456 SGD
£2,128 GBP
View
B
Retailer 13
-
$3,536 SGD
$2,765 USD
View
Retailer 14
-
$3,660 SGD
A$4,402 AUD
View
Price last confirmed 26 days ago
B
Retailer 15
-
$3,995 SGD
ZAR 50,465 ZAR
View
B
Retailer 16
-
$4,038 SGD
€3,007 EUR
View
Most Expensive
B
MOH London
BC1877D3C · Nov 2
$5,665 SGD
£3,488 GBP
View
16 more retailers have this diamond
Prices start from $2,439 SGDSave up to $3,226 SGD

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
$2,439 SGD