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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 $1,803 AUD
As of November 6, 2026
Save $3,788 AUD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,592 AUD at NZ Jewellers · As of November 5, 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 November 5, 2026, with prices from $1,803 to $5,592, a $3,788 spread on the same certified stone. NZ Jewellers lists it at $5,592. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,994 AUD|Low: $1,803 AUD|High: $4,037 AUD|Avg: $2,537 AUD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 4$1,803 AUD
Retailer 9$1,806 AUD
Retailer 2$2,115 AUD
Retailer 7$2,141 AUD
Retailer 8$2,465 AUD
Retailer 6$2,505 AUD
Retailer 10$2,528 AUD
Retailer 3$2,543 AUD
Retailer 5$3,112 AUD
Retailer 1$3,994 AUD

33 data points across 10 retailers

19 retailers$1,803 AUD to $5,592 AUD

A
Cheapest Retailer
-
$1,803 AUD
A
Retailer 2
-
$1,806 AUD
View
A
Retailer 3
-
$2,115 AUD
View
Final sale: no returns
A
Retailer 4
-
$2,125 AUD
View
A
Retailer 5
-
$2,141 AUD
View
A
Retailer 6
-
$2,292 AUD
View
Retailer 7
-
$2,292 AUD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$2,372 AUD
View
A
Retailer 9
-
$2,398 AUD
View
A
Retailer 10
-
$2,465 AUD
View
A
Retailer 11
-
$2,490 AUD
View
A
Retailer 12
-
$2,505 AUD
View
A
Retailer 13
-
$2,528 AUD
View
A
Retailer 14
-
$2,540 AUD
View
A
Retailer 15
-
$2,543 AUD
View
A
Retailer 16
-
$2,644 AUD
View
B+
Retailer 17
-
$3,112 AUD
View
B
Retailer 18
-
$3,994 AUD
View
Most Expensive
B
NZ Jewellers
051756fa-3e9c-4e60-8593-c5e15a394e6d · Nov 5
$5,592 AUD
$3,842 USD
View
18 more retailers have this diamond
Prices start from $1,803 AUDSave up to $3,788 AUD

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
$1,803 AUD