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Radiant|Natural|GIA

1.20ct I SI1 Radiant Natural Diamond

ID • I/SI1 • GIA 5242037212

Certificate GIA 5242037212

Diamond specifications and retailer prices

From $2,209 SGD
HK$13,500 HKD
As of November 1, 2026
Save $4,138 SGD (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,347 SGD at NZ Jewellers · As of October 30, 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 5242037212. Listed at 8 retailers as of October 30, 2026, with prices from $2,209 to $6,347, a $4,138 spread on the same certified stone. NZ Jewellers lists it at $6,347. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle59.91°
OriginNatural
Grading LabGIA
CertificateGIA 5242037212
Dimensions7.10 × 5.33 × 3.65 mm
L/W Ratio1.33
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.10 mm5.33 mm1.20 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242037212
Side View
Table 64.0%CrownGirdle: MED-STKPavilion 59.91°Culet: NoneDepth 68.5%

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 1
Current: $6,347 SGD|Low: $2,209 SGD|High: $6,818 SGD|Avg: $4,006 SGD|-6.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6$2,209 SGD
Retailer 2$2,999 SGD
Retailer 7$3,107 SGD
Retailer 5$3,176 SGD
Retailer 8$3,322 SGD
Retailer 4$4,618 SGD
Retailer 3$5,348 SGD
NZ Jewellers$6,347 SGD

27 data points across 8 retailers

8 retailers$2,209 SGD to $6,347 SGD

A
Cheapest Retailer
-
$2,209 SGD
HK$13,500 HKD
A
Retailer 2
-
$2,999 SGD
$2,346 USD
View
A
Retailer 3
-
$3,107 SGD
View
A
Retailer 4
-
$3,176 SGD
$2,484 USD
View
B+
Retailer 5
-
$3,322 SGD
A$3,998 AUD
View
B+
Retailer 6
-
$4,618 SGD
€3,440 EUR
View
B
Retailer 7
-
$5,348 SGD
£3,294 GBP
View
Most Expensive
B
NZ Jewellers
c09eb73a-2936-4dab-a5a3-4fba6714d1d3 · Oct 30
$6,347 SGD
$4,965 USD
View
7 more retailers have this diamond
Prices start from $2,209 SGDSave up to $4,138 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
$2,209 SGD