Round|Natural|GIA

1.10ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6435754030

Certificate GIA 6435754030

Diamond specifications and retailer prices

From $2,122 USD
As of October 30, 2026
Save $3,045 USD (59%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,167 USD at Diamond Quarter · As of October 29, 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 29, 2026, with prices from $2,122 to $5,167, a $3,045 spread on the same certified stone. Diamond Quarter lists it at $5,167. 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
Color
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: $2,204 USD|Low: $1,986 USD|High: $4,163 USD|Avg: $2,687 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6$2,122 USD
Retailer 5$2,167 USD
Retailer 1$2,204 USD
Retailer 7$2,488 USD
Retailer 2$2,562 USD
Retailer 8$2,830 USD
Retailer 3$2,933 USD
Retailer 4$4,136 USD

41 data points across 8 retailers

15 retailers$2,122 USD to $5,167 USD

A
Cheapest Retailer
-
$2,122 USD
A
Retailer 2
-
$2,167 USD
View
Final sale: no returns
A
Retailer 3
-
$2,204 USD
£1,735 GBP
View
Retailer 4
-
$2,348 USD
View
Price last confirmed 37 days ago
Retailer 5
-
$2,348 USD
View
Price last confirmed 29 days ago
Retailer 6
-
$2,456 USD
View
Price last confirmed 31 days ago
A
Retailer 7
-
$2,488 USD
View
A
Retailer 8
-
$2,562 USD
£2,017 GBP
View
Retailer 9
-
$2,709 USD
View
Price last confirmed 38 days ago
Retailer 10
-
$2,709 USD
View
Price last confirmed 31 days ago
B+
Retailer 11
-
$2,933 USD
€2,793 EUR
View
B
Retailer 12
-
$4,136 USD
£3,257 GBP
View
Retailer 13
-
$4,909 USD
View
Price last confirmed 35 days ago
Retailer 14
-
$4,909 USD
View
Price last confirmed 32 days ago
Most Expensive
B
Diamond Quarter
1.1SI2H6430A293N · Oct 29
$5,167 USD
£4,069 GBP
View
14 more retailers have this diamond
Prices start from $2,122 USDSave up to $3,045 USD

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
$2,122 USD