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Radiant|Natural|GIA

1.00ct H SI2 Radiant Natural Diamond

ID • H/SI2 • GIA 1232910418

Certificate GIA 1232910418

Diamond specifications and retailer prices

From $2,021 SGD
$1,581 USD
As of November 1, 2026
Save $3,422 SGD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,443 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded H 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 1232910418. Listed at 14 retailers as of October 30, 2026, with prices from $2,021 to $5,443, a $3,422 spread on the same certified stone. NZ Jewellers lists it at $5,443. 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

1.00
Carat
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1232910418
Dimensions6.79 × 5.04 × 3.55 mm
L/W Ratio1.35
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.79 mm5.04 mm1.00 ctH / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1232910418
Side View
Table 65.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 70.4%

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 1
Current: $5,443 SGD|Low: $1,540 SGD|High: $5,443 SGD|Avg: $2,643 SGD|+1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 6$1,849 SGD
Retailer 7$1,874 SGD
Retailer 14$2,021 SGD
Retailer 16$2,021 SGD
Retailer 8$2,084 SGD
Retailer 15$2,114 SGD
Retailer 2$2,207 SGD
Retailer 17$2,245 SGD
Retailer 11$2,333 SGD
Retailer 3$2,378 SGD
Retailer 4$2,378 SGD
Retailer 13$2,461 SGD
Retailer 5$2,467 SGD
Retailer 9$2,716 SGD
Retailer 12$3,048 SGD
Retailer 10$3,910 SGD
NZ Jewellers$5,443 SGD

30 data points across 17 retailers

14 retailers$2,021 SGD to $5,443 SGD

A
Cheapest Retailer
-
$2,021 SGD
$1,581 USD
A
Retailer 2
-
$2,021 SGD
$1,581 USD
View
A
Retailer 3
-
$2,084 SGD
$1,630 USD
View
A
Retailer 4
-
$2,114 SGD
$1,654 USD
View
A
Retailer 5
-
$2,207 SGD
£1,359 GBP
View
A
Retailer 6
-
$2,245 SGD
$1,756 USD
View
A
Retailer 7
-
$2,333 SGD
$1,825 USD
View
A
Retailer 8
-
$2,378 SGD
$1,860 USD
View
A
Retailer 9
-
$2,378 SGD
$1,860 USD
View
A
Retailer 10
-
$2,461 SGD
£1,516 GBP
View
B+
Retailer 11
-
$2,467 SGD
$1,930 USD
View
B+
Retailer 12
-
$3,048 SGD
€2,271 EUR
View
B
Retailer 13
-
$3,910 SGD
£2,408 GBP
View
Most Expensive
B
NZ Jewellers
3002cb8a-cfe4-4498-b782-016a178ea867 · Oct 30
$5,443 SGD
$4,258 USD
View
13 more retailers have this diamond
Prices start from $2,021 SGDSave up to $3,422 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
1.00ct Radiant
$2,021 SGD