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Round|Natural|GIA

1.00ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 5231719445

Certificate GIA 5231719445

Diamond specifications and retailer prices

From $3,075 SGD
As of November 1, 2026
Save $3,977 SGD (56%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,051 SGD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 5231719445. Listed at 25 retailers as of November 1, 2026, with prices from $3,075 to $7,051, a $3,977 spread on the same certified stone. NZ Jewellers lists it at $7,051. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5231719445
Dimensions6.30 × 6.35 × 4.03 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Cloud, Indented Natural, Pinpoint
Top View
6.30 mm6.35 mm1.00 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231719445
Side View
Table 56.0%Crown 36.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 63.7%

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: Nov 1
Current: $7,051 SGD|Low: $3,041 SGD|High: $7,064 SGD|Avg: $4,209 SGD|-0.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 4, 2026
Retailer 7$3,075 SGD
Retailer 14$3,193 SGD
Retailer 8$3,291 SGD
Retailer 22$3,339 SGD
Retailer 20$3,384 SGD
Retailer 19$3,392 SGD
Retailer 2$3,591 SGD
Retailer 3$3,668 SGD
Retailer 16$3,674 SGD
Retailer 10$3,680 SGD
Retailer 18$3,781 SGD
Retailer 15$3,815 SGD
Retailer 17$4,162 SGD
Retailer 11$4,179 SGD
Retailer 12$4,179 SGD
Retailer 13$4,231 SGD
Retailer 9$4,319 SGD
Retailer 5$4,446 SGD
Retailer 21$4,673 SGD
Retailer 23$4,799 SGD
Retailer 6$4,984 SGD
Retailer 4$6,782 SGD
NZ Jewellers$7,051 SGD

24 data points across 23 retailers

25 retailers$3,075 SGD to $7,051 SGD

A
Cheapest Retailer
-
$3,075 SGD
A
Retailer 2
-
$3,193 SGD
View
A
Retailer 3
-
$3,291 SGD
View
A
Retailer 4
-
$3,339 SGD
View
A
Retailer 5
-
$3,384 SGD
View
Final sale: no returns
A
Retailer 6
-
$3,392 SGD
View
A
Retailer 7
-
$3,591 SGD
View
A
Retailer 8
-
$3,668 SGD
View
A
Retailer 9
-
$3,674 SGD
View
A
Retailer 10
-
$3,680 SGD
View
A
Retailer 11
-
$3,781 SGD
View
A
Retailer 12
-
$3,815 SGD
View
A
Retailer 13
-
$4,162 SGD
View
B+
Retailer 14
-
$4,179 SGD
View
B+
Retailer 15
-
$4,179 SGD
View
B+
Retailer 16
-
$4,231 SGD
View
B+
Retailer 17
-
$4,319 SGD
View
B+
Retailer 18
-
$4,446 SGD
View
Retailer 19
-
$4,618 SGD
View
Price last confirmed 31 days ago
B+
Retailer 20
-
$4,673 SGD
View
Retailer 21
-
$4,727 SGD
View
Price last confirmed 12 days ago
B+
Retailer 22
-
$4,799 SGD
View
B+
Retailer 23
-
$4,984 SGD
View
B
Retailer 24
-
$6,782 SGD
View
Most Expensive
B
NZ Jewellers
3ad652a9-8922-4ace-953a-ffc859c8ce27 · Nov 2
$7,051 SGD
$5,518 USD
View
24 more retailers have this diamond
Prices start from $3,075 SGDSave up to $3,977 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
1.00ct Round
$3,075 SGD