Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6223323213

Certificate GIA 6223323213

Diamond specifications and retailer prices

From $3,098 AUD
As of November 6, 2026
Save $5,311 AUD (63%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,410 AUD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 6223323213. Listed at 19 retailers as of November 5, 2026, with prices from $3,098 to $8,410, a $5,311 spread on the same certified stone. Diamond Quarter lists it at $8,410. 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
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6223323213
Dimensions6.40 × 6.35 × 3.95 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.40 mm6.35 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6223323213
Side View
Table 57.0%Crown 36°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.2%

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: $3,694 AUD|Low: $3,043 AUD|High: $7,040 AUD|Avg: $4,290 AUD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$3,114 AUD
Retailer 6$3,250 AUD
Retailer 7$3,320 AUD
Retailer 1$3,694 AUD
Retailer 2$4,153 AUD
Retailer 3$4,617 AUD
Retailer 4$6,937 AUD

38 data points across 7 retailers

19 retailers$3,098 AUD to $8,410 AUD

Retailer 1
-
$2,956 AUD
Price last confirmed 26 days ago
A
Retailer 2
-
$3,098 AUD
View
A
Retailer 3
-
$3,114 AUD
View
A
Retailer 4
-
$3,156 AUD
View
A
Retailer 5
-
$3,250 AUD
View
B+
Retailer 6
-
$3,320 AUD
View
Final sale: no returns
B+
Retailer 7
-
$3,597 AUD
View
B+
Retailer 8
-
$3,657 AUD
View
B+
Retailer 9
-
$3,694 AUD
View
B+
Retailer 10
-
$3,763 AUD
View
B+
Retailer 11
-
$4,128 AUD
View
B+
Retailer 12
-
$4,128 AUD
View
B+
Retailer 13
-
$4,151 AUD
View
B+
Retailer 14
-
$4,153 AUD
View
B+
Retailer 15
-
$4,257 AUD
View
B
Retailer 16
-
$4,617 AUD
View
B
Retailer 17
-
$6,937 AUD
View
B
Retailer 18
-
$8,301 AUD
View
Most Expensive
B
Diamond Quarter
1.0SI2H6213D6DDN · Nov 5
$8,410 AUD
£4,636 GBP
View
18 more retailers have this diamond
Prices start from $3,098 AUDSave up to $5,311 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
$3,098 AUD