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Radiant|Natural|GIA

1.00ct H SI2 Radiant Natural Diamond

ID • H/SI2 • GIA 5526641037

Certificate GIA 5526641037

Diamond specifications and retailer prices

From $1,587 SGD
HK$9,700 HKD
As of November 1, 2026
Save $3,324 SGD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,912 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 5526641037. Listed at 19 retailers as of October 30, 2026, with prices from $1,587 to $4,912, a $3,324 spread on the same certified stone. NZ Jewellers lists it at $4,912. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle55.35°
OriginNatural
Grading LabGIA
CertificateGIA 5526641037
Dimensions6.60 × 5.12 × 3.58 mm
L/W Ratio1.29
Top View
6.60 mm5.12 mm1.00 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5526641037
Side View
Table 65.0%Crown 42.2°Girdle: MED-THKPavilion 55.35°Culet: NoneDepth 69.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,598 SGD|Low: $1,571 SGD|High: $3,547 SGD|Avg: $2,132 SGD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 6$1,587 SGD
Retailer 1$1,598 SGD
Retailer 10$1,858 SGD
Retailer 9$1,965 SGD
Retailer 2$2,107 SGD
Retailer 5$2,166 SGD
Retailer 8$2,221 SGD
Retailer 4$2,256 SGD
Retailer 7$2,750 SGD
Retailer 3$3,528 SGD

34 data points across 10 retailers

19 retailers$1,587 SGD to $4,912 SGD

A
Cheapest Retailer
-
$1,587 SGD
HK$9,700 HKD
A
Retailer 2
-
$1,598 SGD
₹119,082 INR
View
A
Retailer 3
-
$1,858 SGD
$1,453 USD
View
Final sale: no returns
A
Retailer 4
-
$1,866 SGD
$1,460 USD
View
A
Retailer 5
-
$1,965 SGD
$1,537 USD
View
A
Retailer 6
-
$2,013 SGD
$1,575 USD
View
A
Retailer 7
-
$2,013 SGD
$1,575 USD
View
A
Retailer 8
-
$2,084 SGD
$1,630 USD
View
A
Retailer 9
-
$2,107 SGD
$1,648 USD
View
A
Retailer 10
-
$2,166 SGD
$1,694 USD
View
A
Retailer 11
-
$2,188 SGD
$1,711 USD
View
A
Retailer 12
-
$2,201 SGD
View
A
Retailer 13
-
$2,221 SGD
£1,368 GBP
View
A
Retailer 14
-
$2,231 SGD
$1,745 USD
View
A
Retailer 15
-
$2,256 SGD
£1,389 GBP
View
A
Retailer 16
-
$2,323 SGD
$1,817 USD
View
B+
Retailer 17
-
$2,750 SGD
€2,049 EUR
View
B
Retailer 18
-
$3,528 SGD
£2,173 GBP
View
Most Expensive
B
NZ Jewellers
051756fa-3e9c-4e60-8593-c5e15a394e6d · Oct 30
$4,912 SGD
$3,842 USD
View
18 more retailers have this diamond
Prices start from $1,587 SGDSave up to $3,324 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
$1,587 SGD