Round|Natural|GIA

1.09ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 2497801906

Certificate GIA 2497801906

Diamond specifications and retailer prices

From $4,536 SGD
$3,548 USD
As of October 30, 2026
Save $4,973 SGD (52%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $9,509 SGD at Diamond Quarter · As of October 31, 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 30, 2026, with prices from $4,536 to $9,509, a $4,973 spread on the same certified stone. Diamond Quarter lists it at $9,509. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,336 SGD|Low: $4,361 SGD|High: $8,723 SGD|Avg: $5,752 SGD|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7$4,536 SGD
Retailer 10$4,757 SGD
Retailer 2$4,915 SGD
Retailer 8$5,155 SGD
Retailer 4$5,240 SGD
Retailer 11$5,527 SGD
Retailer 5$5,848 SGD
Retailer 9$5,902 SGD
Retailer 3$5,981 SGD
Retailer 1$6,336 SGD
Retailer 6$8,667 SGD

29 data points across 11 retailers

23 retailers$4,536 SGD to $9,509 SGD

A
Cheapest Retailer
-
$4,536 SGD
$3,548 USD
B+
Retailer 2
-
$4,757 SGD
$3,721 USD
View
Final sale: no returns
B+
Retailer 3
-
$4,855 SGD
View
B+
Retailer 4
-
$4,915 SGD
$3,845 USD
View
Retailer 5
-
$5,155 SGD
$4,032 USD
View
Price last confirmed 45 days ago
B+
Retailer 6
-
$5,155 SGD
$4,032 USD
View
Retailer 7
-
$5,155 SGD
$4,032 USD
View
Price last confirmed 16 days ago
Retailer 8
-
$5,155 SGD
$4,032 USD
View
Price last confirmed 15 days ago
Retailer 9
-
$5,155 SGD
$4,032 USD
View
Price last confirmed 13 days ago
B+
Retailer 10
-
$5,240 SGD
£3,227 GBP
View
B+
Retailer 11
-
$5,343 SGD
$4,179 USD
View
Retailer 12
-
$5,527 SGD
A$6,651 AUD
View
Price last confirmed 27 days ago
B+
Retailer 13
-
$5,848 SGD
€4,357 EUR
View
B
Retailer 14
-
$5,902 SGD
£3,635 GBP
View
Retailer 15
-
$5,947 SGD
$4,652 USD
View
Price last confirmed 47 days ago
Retailer 16
-
$5,947 SGD
$4,652 USD
View
Price last confirmed 13 days ago
B+
Retailer 17
-
$5,981 SGD
£3,684 GBP
View
B+
Retailer 18
-
$6,336 SGD
ZAR 80,063 ZAR
View
B
Retailer 19
-
$8,667 SGD
£5,338 GBP
View
Retailer 20
-
$8,979 SGD
$7,024 USD
View
Price last confirmed 14 days ago
B
Retailer 21
-
$8,979 SGD
$7,024 USD
View
Retailer 22
-
$8,979 SGD
$7,024 USD
View
Price last confirmed 46 days ago
Most Expensive
B
Diamond Quarter
1.09VS1H24066A3DN · Oct 31
$9,509 SGD
£5,857 GBP
View
22 more retailers have this diamond
Prices start from $4,536 SGDSave up to $4,973 SGD

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
$4,536 SGD