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Round|Natural|GIA

1.03ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 2566190931

Certificate GIA 2566190931

Diamond specifications and retailer prices

From $3,160 SGD
As of November 4, 2026
Save $4,742 SGD (60%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,903 SGD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct 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 2566190931. Listed at 22 retailers as of November 2, 2026, with prices from $3,160 to $7,903, a $4,742 spread on the same certified stone. NZ Jewellers lists it at $7,903. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2566190931
Dimensions6.45 × 6.41 × 4.00 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Pinpoint
Top View
6.45 mm6.41 mm1.03 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2566190931
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°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: Nov 4
Current: $4,373 SGD|Low: $2,717 SGD|High: $7,382 SGD|Avg: $4,002 SGD|+14.9%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 4, 2026
Retailer 11$3,093 SGD
Retailer 17$3,160 SGD
Retailer 13$3,211 SGD
Retailer 8$3,325 SGD
Retailer 21$3,376 SGD
Retailer 14$3,463 SGD
Retailer 2$3,752 SGD
Retailer 20$3,752 SGD
Retailer 3$3,781 SGD
Retailer 10$3,817 SGD
Retailer 9$3,923 SGD
Retailer 4$3,949 SGD
Retailer 7$3,949 SGD
Retailer 12$4,016 SGD
Retailer 6$4,077 SGD
Retailer 15$4,188 SGD
Retailer 19$4,319 SGD
Retailer 1$4,373 SGD
Retailer 18$4,869 SGD
Retailer 5$5,501 SGD
Retailer 16$6,320 SGD

25 data points across 21 retailers

22 retailers$3,160 SGD to $7,903 SGD

A
Cheapest Retailer
-
$3,160 SGD
Final sale: no returns
Retailer 2
-
$3,211 SGD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$3,325 SGD
View
A
Retailer 4
-
$3,376 SGD
View
Retailer 5
-
$3,706 SGD
View
Price last confirmed 36 days ago
A
Retailer 6
-
$3,752 SGD
View
A
Retailer 7
-
$3,752 SGD
View
A
Retailer 8
-
$3,781 SGD
View
Retailer 9
-
$3,817 SGD
View
Price last confirmed 40 days ago
Retailer 10
-
$3,923 SGD
View
Price last confirmed 36 days ago
A
Retailer 11
-
$3,949 SGD
View
A
Retailer 12
-
$3,949 SGD
View
A
Retailer 13
-
$4,016 SGD
View
A
Retailer 14
-
$4,077 SGD
View
A
Retailer 15
-
$4,188 SGD
View
B+
Retailer 16
-
$4,319 SGD
View
B+
Retailer 17
-
$4,373 SGD
View
B+
Retailer 18
-
$4,869 SGD
View
B
Retailer 19
-
$5,501 SGD
View
B
Retailer 20
-
$6,320 SGD
View
Retailer 21
-
$6,715 SGD
View
Price last confirmed 37 days ago
Most Expensive
B
NZ Jewellers
0f1b352d-dfe0-41f2-9507-81f68a22750f · Nov 2
$7,903 SGD
$6,184 USD
View
21 more retailers have this diamond
Prices start from $3,160 SGDSave up to $4,742 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
1.03ct Round
$3,160 SGD