Round|Natural|GIA

1.09ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 2497801906

Certificate GIA 2497801906

Diamond specifications and retailer prices

From $3,548 USD
As of October 30, 2026
Save $3,890 USD (52%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,438 USD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1.09ct natural round diamond

This 1.09ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2497801906. Listed at 23 retailers as of October 29, 2026, with prices from $3,548 to $7,438, a $3,890 spread on the same certified stone. Diamond Quarter lists it at $7,438. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2497801906
Dimensions6.51 × 6.54 × 4.09 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.51 mm6.54 mm1.09 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2497801906
Side View
Table 58.0%Crown 35.5°GirdlePavilion 41.2°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,099 USD|Low: $3,411 USD|High: $6,824 USD|Avg: $4,490 USD|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 7$3,548 USD
Retailer 10$3,721 USD
Retailer 2$3,845 USD
Retailer 8$4,032 USD
Retailer 1$4,099 USD
Retailer 11$4,323 USD
Retailer 4$4,575 USD
Retailer 9$4,616 USD
Retailer 3$4,679 USD
Retailer 6$4,910 USD
Retailer 5$6,779 USD

29 data points across 11 retailers

23 retailers$3,548 USD to $7,438 USD

A
Cheapest Retailer
-
$3,548 USD
B+
Retailer 2
-
$3,721 USD
View
Final sale: no returns
B+
Retailer 3
-
$3,798 USD
SGD 5,132 SGD
View
B+
Retailer 4
-
$3,845 USD
View
Retailer 5
-
$4,032 USD
View
Price last confirmed 45 days ago
B+
Retailer 6
-
$4,032 USD
View
Retailer 7
-
$4,032 USD
View
Price last confirmed 15 days ago
Retailer 8
-
$4,032 USD
View
Price last confirmed 15 days ago
Retailer 9
-
$4,032 USD
View
Price last confirmed 13 days ago
B+
Retailer 10
-
$4,099 USD
£3,227 GBP
View
B+
Retailer 11
-
$4,179 USD
View
Retailer 12
-
$4,323 USD
A$6,651 AUD
View
Price last confirmed 27 days ago
B+
Retailer 13
-
$4,575 USD
€4,357 EUR
View
B
Retailer 14
-
$4,616 USD
£3,635 GBP
View
Retailer 15
-
$4,652 USD
View
Price last confirmed 46 days ago
Retailer 16
-
$4,652 USD
View
Price last confirmed 12 days ago
B+
Retailer 17
-
$4,679 USD
£3,684 GBP
View
B+
Retailer 18
-
$4,910 USD
ZAR 79,315 ZAR
View
B
Retailer 19
-
$6,779 USD
£5,338 GBP
View
Retailer 20
-
$7,024 USD
View
Price last confirmed 13 days ago
B
Retailer 21
-
$7,024 USD
View
Retailer 22
-
$7,024 USD
View
Price last confirmed 46 days ago
Most Expensive
B
Diamond Quarter
1.09VS1H24066A3DN · Oct 29
$7,438 USD
£5,857 GBP
View
22 more retailers have this diamond
Prices start from $3,548 USDSave up to $3,890 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
1.09ct Round
$3,548 USD