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Radiant|Natural|GIA

1.20ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 1565079351

Certificate GIA 1565079351

Diamond specifications and retailer prices

From $3,010 SGD
As of November 5, 2026
Save $2,579 SGD (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,589 SGD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant 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 1565079351. Listed at 12 retailers as of November 5, 2026, with prices from $3,010 to $5,589, a $2,579 spread on the same certified stone. Helzberg Diamonds lists it at $5,589. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565079351
Dimensions7.34 × 5.42 × 3.66 mm
L/W Ratio1.35
Culet sizeNone
Top View
7.34 mm5.42 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565079351
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.5%

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 5
Current: $5,589 SGD|Low: $2,994 SGD|High: $5,704 SGD|Avg: $3,975 SGD|-2.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 7$3,010 SGD
Retailer 8$3,196 SGD
Retailer 9$3,251 SGD
Retailer 2$3,477 SGD
Retailer 4$3,540 SGD
Retailer 10$3,817 SGD
Retailer 12$3,845 SGD
Retailer 3$3,968 SGD
Retailer 5$4,079 SGD
Retailer 6$4,178 SGD
Retailer 11$5,288 SGD
Helzberg Diamonds$5,589 SGD

40 data points across 12 retailers

12 retailers$3,010 SGD to $5,589 SGD

A
Cheapest Retailer
-
$3,010 SGD
B+
Retailer 2
-
$3,196 SGD
View
B+
Retailer 3
-
$3,251 SGD
View
B+
Retailer 4
-
$3,477 SGD
View
B+
Retailer 5
-
$3,540 SGD
View
B+
Retailer 6
-
$3,817 SGD
View
B+
Retailer 7
-
$3,845 SGD
View
B
Retailer 8
-
$3,968 SGD
View
B+
Retailer 9
-
$4,079 SGD
View
B
Retailer 10
-
$4,178 SGD
View
B
Retailer 11
-
$5,288 SGD
View
Most Expensive
B
Helzberg Diamonds
XZRHLMLGNPJLH · Nov 6
$5,589 SGD
$4,361 USD
View
11 more retailers have this diamond
Prices start from $3,010 SGDSave up to $2,579 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.

A
1.20ct Radiant
$3,010 SGD