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Radiant|Natural|HRD

1.20ct I SI2 Radiant Natural Diamond

I/SI2 • HRD 170003131812

Certificate HRD 170003131812

Diamond specifications and retailer prices

From $3,291 SGD
As of November 5, 2026
Save $3,590 SGD (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,881 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 SI2 clarity (slightly-included) and certified by HRD 170003131812. Listed at 6 retailers as of November 5, 2026, with prices from $3,291 to $6,881, a $3,590 spread on the same certified stone. NZ Jewellers lists it at $6,881. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
I
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 170003131812
Dimensions5.89 × 5.76 × 3.96 mm
L/W Ratio1.02
Top View
5.89 mm5.76 mm1.20 ctI / SI2
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 170003131812
Side View
Table 66.0%CrownGirdle: MediumPavilionCulet: NoneDepth 68.8%

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: $6,881 SGD|Low: $2,185 SGD|High: $6,881 SGD|Avg: $4,029 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$2,185 SGD
Retailer 5$3,291 SGD
Retailer 6$3,291 SGD
Retailer 8$3,400 SGD
Retailer 4$3,442 SGD
Retailer 7$3,797 SGD
Retailer 2$4,086 SGD
Retailer 3$5,797 SGD
NZ Jewellers$6,881 SGD

20 data points across 9 retailers

6 retailers$3,291 SGD to $6,881 SGD

B+
Cheapest Retailer
-
$3,291 SGD
B+
Retailer 2
-
$3,442 SGD
View
B
Retailer 3
-
$3,797 SGD
View
B
Retailer 4
-
$4,086 SGD
View
Retailer 5
-
$5,797 SGD
View
Price last confirmed 9 days ago
Most Expensive
C
NZ Jewellers
0f63cc0d-fb3d-4149-b984-9ad3ca416c11 · Nov 5
$6,881 SGD
$5,369 USD
View
5 more retailers have this diamond
Prices start from $3,291 SGDSave up to $3,590 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
$3,291 SGD