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Radiant|Natural|GIA

1.20ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 5241058000

Certificate GIA 5241058000

Diamond specifications and retailer prices

From $2,526 SGD
As of November 5, 2026
Save $4,623 SGD (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,149 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 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 5241058000. Listed at 10 retailers as of November 5, 2026, with prices from $2,526 to $7,149, a $4,623 spread on the same certified stone. NZ Jewellers lists it at $7,149. 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
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Pavilion angle62.16°
OriginNatural
Grading LabGIA
CertificateGIA 5241058000
Dimensions7.10 × 5.29 × 3.69 mm
L/W Ratio1.34
Key to symbols
Twinning Wisp, Crystal, Needle, Indented Natural
Top View
7.10 mm5.29 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5241058000
Side View
Table 62.0%CrownGirdle: MED-STKPavilion 62.16°Culet: NoneDepth 69.8%

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: $7,149 SGD|Low: $2,526 SGD|High: $7,777 SGD|Avg: $4,463 SGD|-8.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 6$2,526 SGD
Retailer 4$3,317 SGD
Retailer 7$3,419 SGD
Retailer 5$3,504 SGD
Retailer 2$3,551 SGD
Retailer 8$3,728 SGD
Retailer 10$4,088 SGD
Retailer 3$4,688 SGD
Retailer 11$5,248 SGD
Retailer 9$6,039 SGD
NZ Jewellers$7,149 SGD

41 data points across 11 retailers

10 retailers$2,526 SGD to $7,149 SGD

A
Cheapest Retailer
-
$2,526 SGD
B+
Retailer 2
-
$3,317 SGD
View
B+
Retailer 3
-
$3,419 SGD
View
B+
Retailer 4
-
$3,504 SGD
View
B+
Retailer 5
-
$3,551 SGD
View
B+
Retailer 6
-
$3,728 SGD
View
B+
Retailer 7
-
$4,088 SGD
View
B
Retailer 8
-
$5,248 SGD
View
B
Retailer 9
-
$6,039 SGD
View
Most Expensive
B
NZ Jewellers
685ed388-b886-41e9-8558-cd2428aff669 · Nov 5
$7,149 SGD
$5,578 USD
View
9 more retailers have this diamond
Prices start from $2,526 SGDSave up to $4,623 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
$2,526 SGD