Round|Natural|GIA

1.09ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 1485949271

Certificate GIA 1485949271

Diamond specifications and retailer prices

From $4,304 SGD
$3,367 USD
As of October 29, 2026
Save $6,200 SGD (59%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $10,504 SGD 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 1485949271. Listed at 29 retailers as of October 29, 2026, with prices from $4,304 to $10,504, a $6,200 spread on the same certified stone. Diamond Quarter lists it at $10,504. 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
FluorescenceFaint
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1485949271
Dimensions6.65 × 6.63 × 4.04 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Culet sizeNone
Top View
6.65 mm6.63 mm1.09 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1485949271
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.0%

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 29
Current: $5,841 SGD|Low: $4,449 SGD|High: $9,530 SGD|Avg: $5,931 SGD|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 5$4,449 SGD
Retailer 11$4,602 SGD
Retailer 13$4,713 SGD
Retailer 12$4,942 SGD
Retailer 3$5,094 SGD
Retailer 4$5,356 SGD
Retailer 6$5,549 SGD
Retailer 1$5,841 SGD
Retailer 2$5,960 SGD
Retailer 7$6,330 SGD
Retailer 10$6,632 SGD
Retailer 9$7,200 SGD
Retailer 8$9,467 SGD

38 data points across 13 retailers

29 retailers$4,304 SGD to $10,504 SGD

A
Cheapest Retailer
-
$4,304 SGD
$3,367 USD
A
Retailer 2
-
$4,449 SGD
$3,480 USD
View
A
Retailer 3
-
$4,542 SGD
$3,553 USD
View
Retailer 4
-
$4,602 SGD
$3,600 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$4,713 SGD
$3,687 USD
View
B+
Retailer 6
-
$4,897 SGD
A$5,893 AUD
View
B+
Retailer 7
-
$4,942 SGD
$3,866 USD
View
Final sale: no returns
B+
Retailer 8
-
$5,094 SGD
$3,985 USD
View
B+
Retailer 9
-
$5,334 SGD
$4,173 USD
View
B+
Retailer 10
-
$5,356 SGD
$4,190 USD
View
B+
Retailer 11
-
$5,356 SGD
$4,190 USD
View
B+
Retailer 12
-
$5,356 SGD
$4,190 USD
View
B+
Retailer 13
-
$5,549 SGD
£3,417 GBP
View
B+
Retailer 14
-
$5,670 SGD
$4,435 USD
View
B+
Retailer 15
-
$5,841 SGD
£3,598 GBP
View
Retailer 16
-
$5,960 SGD
A$7,173 AUD
View
Price last confirmed 21 days ago
B+
Retailer 17
-
$6,034 SGD
$4,720 USD
View
B+
Retailer 18
-
$6,034 SGD
$4,720 USD
View
B+
Retailer 19
-
$6,174 SGD
$4,829 USD
View
B+
Retailer 20
-
$6,180 SGD
$4,834 USD
View
B+
Retailer 21
-
$6,239 SGD
$4,880 USD
View
B+
Retailer 22
-
$6,330 SGD
€4,716 EUR
View
B+
Retailer 23
-
$6,632 SGD
£4,085 GBP
View
Retailer 24
-
$6,685 SGD
$5,229 USD
View
Price last confirmed 8 days ago
B
Retailer 25
-
$6,877 SGD
£4,236 GBP
View
B
Retailer 26
-
$7,200 SGD
ZAR 90,981 ZAR
View
B
Retailer 27
-
$9,467 SGD
£5,831 GBP
View
B
Retailer 28
-
$10,300 SGD
$8,057 USD
View
Most Expensive
B
Diamond Quarter
1.09VS1H14713245N · Oct 29
$10,504 SGD
£6,470 GBP
View
28 more retailers have this diamond
Prices start from $4,304 SGDSave up to $6,200 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
$4,304 SGD