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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6561364234

Certificate GIA 6561364234

Diamond specifications and retailer prices

From $2,248 AUD
As of November 6, 2026
Save $3,105 AUD (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,354 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561364234. Listed at 9 retailers as of November 4, 2026, with prices from $2,248 to $5,354, a $3,105 spread on the same certified stone. MOH London lists it at $5,354. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6561364234
Dimensions6.33 × 6.37 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Indented Natural
Top View
6.33 mm6.37 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561364234
Side View
Table 57.0%Crown 35°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 63.4%

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 6
Current: $5,354 AUD|Low: $2,248 AUD|High: $5,588 AUD|Avg: $3,269 AUD|-4.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$2,248 AUD
Retailer 6$2,574 AUD
Retailer 7$2,647 AUD
Retailer 9$2,768 AUD
Retailer 3$2,808 AUD
Retailer 8$3,128 AUD
Retailer 4$3,216 AUD
Retailer 5$3,840 AUD
MOH London$5,354 AUD

16 data points across 9 retailers

9 retailers$2,248 AUD to $5,354 AUD

A
Cheapest Retailer
-
$2,248 AUD
A
Retailer 2
-
$2,574 AUD
View
A
Retailer 3
-
$2,647 AUD
View
A
Retailer 4
-
$2,768 AUD
View
A
Retailer 5
-
$2,808 AUD
View
A
Retailer 6
-
$3,128 AUD
View
A
Retailer 7
-
$3,216 AUD
View
B+
Retailer 8
-
$3,840 AUD
View
Most Expensive
B
MOH London
EAF58D2F9 · Nov 4
$5,354 AUD
£2,951 GBP
View
8 more retailers have this diamond
Prices start from $2,248 AUDSave up to $3,105 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 Round
$2,248 AUD