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Round|Natural|GIA

1.10ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6435754030

Certificate GIA 6435754030

Diamond specifications and retailer prices

From $3,021 AUD
$2,122 USD
As of October 30, 2026
Save $4,336 AUD (59%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,356 AUD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.1ct natural round diamond

This 1.1ct 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 6435754030. Listed at 15 retailers as of October 30, 2026, with prices from $3,021 to $7,356, a $4,336 spread on the same certified stone. Diamond Quarter lists it at $7,356. 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

1.10
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6435754030
Dimensions6.59 × 6.56 × 4.10 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Top View
6.59 mm6.56 mm1.10 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6435754030
Side View
Table 57.0%Crown 35.5°Girdle: ThickPavilion 40.8°Culet: NoneDepth 62.3%

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: Oct 30
Current: $3,648 AUD|Low: $2,827 AUD|High: $5,927 AUD|Avg: $3,769 AUD|+4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 6$3,021 AUD
Retailer 5$3,085 AUD
Retailer 2$3,137 AUD
Retailer 7$3,343 AUD
Retailer 8$3,542 AUD
Retailer 1$3,648 AUD
Retailer 9$4,029 AUD
Retailer 3$4,175 AUD
Retailer 4$5,889 AUD

41 data points across 9 retailers

15 retailers$3,021 AUD to $7,356 AUD

A
Cheapest Retailer
-
$3,021 AUD
$2,122 USD
A
Retailer 2
-
$3,085 AUD
$2,167 USD
View
Final sale: no returns
A
Retailer 3
-
$3,137 AUD
£1,735 GBP
View
Retailer 4
-
$3,343 AUD
$2,348 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$3,343 AUD
$2,348 USD
View
Price last confirmed 30 days ago
Retailer 6
-
$3,496 AUD
$2,456 USD
View
Price last confirmed 32 days ago
A
Retailer 7
-
$3,542 AUD
$2,488 USD
View
A
Retailer 8
-
$3,648 AUD
£2,018 GBP
View
Retailer 9
-
$3,857 AUD
$2,709 USD
View
Price last confirmed 39 days ago
Retailer 10
-
$3,857 AUD
$2,709 USD
View
Price last confirmed 32 days ago
B+
Retailer 11
-
$4,175 AUD
€2,793 EUR
View
B
Retailer 12
-
$5,889 AUD
£3,257 GBP
View
Retailer 13
-
$6,988 AUD
$4,909 USD
View
Price last confirmed 36 days ago
Retailer 14
-
$6,988 AUD
$4,909 USD
View
Price last confirmed 33 days ago
Most Expensive
B
Diamond Quarter
1.1SI2H6430A293N · Oct 31
$7,356 AUD
£4,069 GBP
View
14 more retailers have this diamond
Prices start from $3,021 AUDSave up to $4,336 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
1.10ct Round
$3,021 AUD