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Radiant|Natural|GIA

1.20ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 1515243600

Certificate GIA 1515243600

Diamond specifications and retailer prices

From $2,844 SGD
As of November 5, 2026
Save $4,702 SGD (62%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,546 SGD at NZ Jewellers · As of November 3, 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 1515243600. Listed at 22 retailers as of November 3, 2026, with prices from $2,844 to $7,546, a $4,702 spread on the same certified stone. NZ Jewellers lists it at $7,546. 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 1515243600
Dimensions7.14 × 5.33 × 3.65 mm
L/W Ratio1.34
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Needle, Natural
Top View
7.14 mm5.33 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1515243600
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.3%

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 5
Current: $3,262 SGD|Low: $2,844 SGD|High: $6,391 SGD|Avg: $3,904 SGD
Retailer 1
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
Retailer 15
November 7, 2026
Retailer 11$2,844 SGD
Retailer 12$2,878 SGD
Retailer 6$2,954 SGD
Retailer 4$2,993 SGD
Retailer 13$3,036 SGD
Retailer 1$3,262 SGD
Retailer 14$3,382 SGD
Retailer 15$3,569 SGD
Retailer 2$3,597 SGD
Retailer 10$3,677 SGD
Retailer 3$3,974 SGD
Retailer 7$4,043 SGD
Retailer 8$4,060 SGD
Retailer 9$4,241 SGD
Retailer 5$6,322 SGD

33 data points across 15 retailers

22 retailers$2,844 SGD to $7,546 SGD

B+
Cheapest Retailer
-
$2,844 SGD
B+
Retailer 2
-
$2,878 SGD
View
Final sale: no returns
B+
Retailer 3
-
$2,954 SGD
View
B+
Retailer 4
-
$2,993 SGD
View
B+
Retailer 5
-
$3,017 SGD
View
B+
Retailer 6
-
$3,036 SGD
View
B
Retailer 7
-
$3,262 SGD
View
Retailer 8
-
$3,271 SGD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$3,271 SGD
View
B+
Retailer 10
-
$3,382 SGD
View
B+
Retailer 11
-
$3,489 SGD
View
B+
Retailer 12
-
$3,569 SGD
View
B+
Retailer 13
-
$3,597 SGD
View
B
Retailer 14
-
$3,654 SGD
View
B+
Retailer 15
-
$3,677 SGD
View
B
Retailer 16
-
$3,845 SGD
View
B
Retailer 17
-
$3,974 SGD
View
Retailer 18
-
$4,043 SGD
View
Price last confirmed 31 days ago
B
Retailer 19
-
$4,060 SGD
View
B
Retailer 20
-
$4,241 SGD
View
B
Retailer 21
-
$6,322 SGD
View
Most Expensive
B
NZ Jewellers
76458eb6-69a0-4a20-85c4-dab2693a0be1 · Nov 3
$7,546 SGD
$5,888 USD
View
21 more retailers have this diamond
Prices start from $2,844 SGDSave up to $4,702 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
$2,844 SGD