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Radiant|Natural|GIA

1.20ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 2456032341

Certificate GIA 2456032341

Diamond specifications and retailer prices

From $3,769 SGD
As of November 6, 2026
Save $4,320 SGD (53%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,089 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant 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 2456032341. Listed at 11 retailers as of November 5, 2026, with prices from $3,769 to $8,089, a $4,320 spread on the same certified stone. NZ Jewellers lists it at $8,089. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2456032341
Dimensions7.16 × 5.46 × 3.30 mm
L/W Ratio1.31
Top View
7.16 mm5.46 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2456032341
Side View
Table 69.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.6%

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: $4,851 SGD|Low: $3,883 SGD|High: $7,857 SGD|Avg: $5,328 SGD|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 7, 2026
Retailer 5$3,883 SGD
Retailer 2$4,504 SGD
Retailer 1$4,851 SGD
Retailer 3$5,151 SGD
Retailer 4$7,765 SGD

42 data points across 5 retailers

11 retailers$3,769 SGD to $8,089 SGD

B+
Cheapest Retailer
-
$3,769 SGD
B
Retailer 2
-
$3,883 SGD
View
Final sale: no returns
B
Retailer 3
-
$4,206 SGD
View
B
Retailer 4
-
$4,342 SGD
View
B
Retailer 5
-
$4,368 SGD
View
B
Retailer 6
-
$4,504 SGD
View
B
Retailer 7
-
$4,851 SGD
View
B
Retailer 8
-
$4,853 SGD
View
B
Retailer 9
-
$5,151 SGD
View
B
Retailer 10
-
$7,765 SGD
View
Most Expensive
B
NZ Jewellers
0003377b-c99c-4edd-985c-897e4d3d6e06 · Nov 5
$8,089 SGD
$6,312 USD
View
10 more retailers have this diamond
Prices start from $3,769 SGDSave up to $4,320 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 Radiant
$3,769 SGD