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Cushion|Natural|GIA

1.20ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 5231875067

Certificate GIA 5231875067

Diamond specifications and retailer prices

From $3,435 SGD
As of November 6, 2026
Save $3,416 SGD (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,851 SGD 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 I 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 5231875067. Listed at 16 retailers as of November 4, 2026, with prices from $3,435 to $6,851, a $3,416 spread on the same certified stone. MOH London lists it at $6,851. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5231875067
Dimensions7.30 × 5.63 × 3.53 mm
L/W Ratio1.30
Top View
7.30 mm5.63 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231875067
Side View
Table 65.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.7%

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 6
Current: $6,851 SGD|Low: $3,435 SGD|High: $7,012 SGD|Avg: $4,430 SGD|-2.3%
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 7, 2026
Retailer 4$3,435 SGD
Retailer 7$3,582 SGD
Retailer 5$3,753 SGD
Retailer 3$3,758 SGD
Retailer 8$3,983 SGD
Retailer 11$4,038 SGD
Retailer 12$4,255 SGD
Retailer 14$4,255 SGD
Retailer 2$4,260 SGD
Retailer 13$4,396 SGD
Retailer 9$4,780 SGD
Retailer 6$4,806 SGD
Retailer 10$5,012 SGD
MOH London$6,851 SGD

30 data points across 14 retailers

16 retailers$3,435 SGD to $6,851 SGD

B+
Cheapest Retailer
-
$3,435 SGD
Final sale: no returns
B+
Retailer 2
-
$3,582 SGD
View
Retailer 3
-
$3,753 SGD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$3,758 SGD
View
B
Retailer 5
-
$3,905 SGD
View
B+
Retailer 6
-
$3,983 SGD
View
B
Retailer 7
-
$4,038 SGD
View
B+
Retailer 8
-
$4,255 SGD
View
B+
Retailer 9
-
$4,255 SGD
View
B+
Retailer 10
-
$4,260 SGD
View
B
Retailer 11
-
$4,396 SGD
View
Retailer 12
-
$4,463 SGD
View
Price last confirmed 31 days ago
B
Retailer 13
-
$4,780 SGD
View
Retailer 14
-
$4,806 SGD
View
Price last confirmed 15 days ago
B
Retailer 15
-
$5,012 SGD
View
Most Expensive
B
MOH London
534729B15 · Nov 4
$6,851 SGD
£4,209 GBP
View
15 more retailers have this diamond
Prices start from $3,435 SGDSave up to $3,416 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
$3,435 SGD