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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 $1,242 USD
HK$9,700 HKD
As of November 1, 2026
Save $2,600 USD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,842 USD 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 $1,242 to $3,842, a $2,600 spread on the same certified stone. NZ Jewellers lists it at $3,842. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,250 USD|Low: $1,229 USD|High: $2,775 USD|Avg: $1,667 USD|-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$1,242 USD
Retailer 1$1,250 USD
Retailer 10$1,453 USD
Retailer 9$1,537 USD
Retailer 2$1,648 USD
Retailer 5$1,694 USD
Retailer 8$1,737 USD
Retailer 4$1,764 USD
Retailer 7$2,151 USD
Retailer 3$2,760 USD

34 data points across 10 retailers

19 retailers$1,242 USD to $3,842 USD

A
Cheapest Retailer
-
$1,242 USD
HK$9,700 HKD
A
Retailer 2
-
$1,250 USD
₹119,082 INR
View
A
Retailer 3
-
$1,453 USD
View
Final sale: no returns
A
Retailer 4
-
$1,460 USD
View
A
Retailer 5
-
$1,537 USD
View
A
Retailer 6
-
$1,575 USD
View
A
Retailer 7
-
$1,575 USD
View
A
Retailer 8
-
$1,630 USD
View
A
Retailer 9
-
$1,648 USD
View
A
Retailer 10
-
$1,694 USD
View
A
Retailer 11
-
$1,711 USD
View
A
Retailer 12
-
$1,722 USD
SGD 2,327 SGD
View
A
Retailer 13
-
$1,737 USD
£1,368 GBP
View
A
Retailer 14
-
$1,745 USD
View
A
Retailer 15
-
$1,764 USD
£1,389 GBP
View
A
Retailer 16
-
$1,817 USD
View
B+
Retailer 17
-
$2,151 USD
€2,049 EUR
View
B
Retailer 18
-
$2,760 USD
£2,173 GBP
View
Most Expensive
B
NZ Jewellers
051756fa-3e9c-4e60-8593-c5e15a394e6d · Oct 30
$3,842 USD
View
18 more retailers have this diamond
Prices start from $1,242 USDSave up to $2,600 USD

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
$1,242 USD