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Radiant|Natural|GIA

1.20ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6243078579

Certificate GIA 6243078579

Diamond specifications and retailer prices

From $2,871 SGD
As of November 6, 2026
Save $3,970 SGD (58%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,841 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 H 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 6243078579. Listed at 10 retailers as of November 5, 2026, with prices from $2,871 to $6,841, a $3,970 spread on the same certified stone. NZ Jewellers lists it at $6,841. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle62.46°
OriginNatural
Grading LabGIA
CertificateGIA 6243078579
Dimensions7.00 × 5.37 × 3.73 mm
L/W Ratio1.30
Key to symbols
Crystal, Needle
Top View
7.00 mm5.37 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6243078579
Side View
Table 62.0%CrownGirdle: ThickPavilion 62.46°Culet: NoneDepth 69.4%

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 6
Current: $6,841 SGD|Low: $2,871 SGD|High: $7,136 SGD|Avg: $4,748 SGD|-4.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 3$2,871 SGD
Retailer 4$3,768 SGD
Retailer 8$3,927 SGD
Retailer 5$3,984 SGD
Retailer 2$4,033 SGD
Retailer 9$4,256 SGD
Retailer 7$4,646 SGD
Retailer 10$6,068 SGD
Retailer 6$6,549 SGD
NZ Jewellers$6,841 SGD

31 data points across 10 retailers

10 retailers$2,871 SGD to $6,841 SGD

A
Cheapest Retailer
-
$2,871 SGD
B+
Retailer 2
-
$3,768 SGD
View
B+
Retailer 3
-
$3,927 SGD
View
B+
Retailer 4
-
$3,984 SGD
View
B+
Retailer 5
-
$4,033 SGD
View
B+
Retailer 6
-
$4,256 SGD
View
B+
Retailer 7
-
$4,646 SGD
View
Retailer 8
-
$6,068 SGD
View
Price last confirmed 17 days ago
B
Retailer 9
-
$6,549 SGD
View
Most Expensive
B
NZ Jewellers
d2cdbb5c-de44-45f6-a0c2-4a37f92a3f19 · Nov 5
$6,841 SGD
$5,338 USD
View
9 more retailers have this diamond
Prices start from $2,871 SGDSave up to $3,970 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
$2,871 SGD