CaratHunter
Plans
Radiant|Natural|GIA

1.00ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6552780350

Certificate GIA 6552780350

Diamond specifications and retailer prices

From $2,684 AUD
As of November 6, 2026
Save $3,529 AUD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,213 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552780350. Listed at 18 retailers as of November 5, 2026, with prices from $2,684 to $6,213, a $3,529 spread on the same certified stone. NZ Jewellers lists it at $6,213. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552780350
Dimensions6.59 × 4.94 × 3.39 mm
L/W Ratio1.33
Culet sizeNone
Key to symbols
Crystal, Indented Natural, Needle, Extra Facet
Top View
6.59 mm4.94 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552780350
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.6%

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: $6,213 AUD|Low: $2,684 AUD|High: $6,213 AUD|Avg: $3,466 AUD
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 7, 2026
Retailer 6$2,684 AUD
Retailer 4$2,733 AUD
Retailer 9$2,742 AUD
Retailer 11$2,883 AUD
Retailer 14$2,972 AUD
Retailer 17$2,972 AUD
Retailer 5$3,020 AUD
Retailer 10$3,109 AUD
Retailer 2$3,228 AUD
Retailer 3$3,278 AUD
Retailer 8$3,308 AUD
Retailer 16$3,429 AUD
Retailer 7$3,508 AUD
Retailer 13$3,627 AUD
Retailer 12$3,785 AUD
Retailer 15$5,193 AUD
NZ Jewellers$6,213 AUD

27 data points across 17 retailers

18 retailers$2,684 AUD to $6,213 AUD

A
Cheapest Retailer
-
$2,684 AUD
A
Retailer 2
-
$2,733 AUD
View
A
Retailer 3
-
$2,742 AUD
View
Final sale: no returns
A
Retailer 4
-
$2,883 AUD
View
Retailer 5
-
$2,972 AUD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$2,972 AUD
View
A
Retailer 7
-
$3,020 AUD
View
A
Retailer 8
-
$3,109 AUD
View
B+
Retailer 9
-
$3,228 AUD
View
B+
Retailer 10
-
$3,278 AUD
View
B+
Retailer 11
-
$3,308 AUD
View
B+
Retailer 12
-
$3,429 AUD
View
B+
Retailer 13
-
$3,508 AUD
View
B+
Retailer 14
-
$3,627 AUD
View
Retailer 15
-
$3,762 AUD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$3,785 AUD
View
B
Retailer 17
-
$5,193 AUD
View
Most Expensive
B
NZ Jewellers
8ffe8412-8051-4d5c-843b-f63e5083e8d0 · Nov 5
$6,213 AUD
$4,269 USD
View
17 more retailers have this diamond
Prices start from $2,684 AUDSave up to $3,529 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
$2,684 AUD