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Round|Natural|GIA

1.03ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2245085981

Certificate GIA 2245085981

Diamond specifications and retailer prices

From $2,337 SGD
As of November 6, 2026
Save $4,381 SGD (65%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,719 SGD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245085981. Listed at 9 retailers as of November 5, 2026, with prices from $2,337 to $6,719, a $4,381 spread on the same certified stone. NZ Jewellers lists it at $6,719. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2245085981
Dimensions6.43 × 6.46 × 4.06 mm
L/W Ratio1.00
Key to symbols
Crystal, Needle, Feather
Top View
6.43 mm6.46 mm1.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245085981
Side View
Table 55.0%CrownGirdle: THN-MEDPavilion 40.8°Culet: NoneDepth 62.9%

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 6
Current: $6,719 SGD|Low: $2,337 SGD|High: $6,849 SGD|Avg: $3,912 SGD|-1.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$2,337 SGD
Retailer 3$3,045 SGD
Retailer 8$3,214 SGD
Retailer 4$3,257 SGD
Retailer 7$3,362 SGD
Retailer 9$3,513 SGD
Retailer 5$3,912 SGD
Retailer 6$5,615 SGD
NZ Jewellers$6,719 SGD

22 data points across 9 retailers

9 retailers$2,337 SGD to $6,719 SGD

A
Cheapest Retailer
-
$2,337 SGD
A
Retailer 2
-
$3,045 SGD
View
A
Retailer 3
-
$3,214 SGD
View
B+
Retailer 4
-
$3,257 SGD
View
B+
Retailer 5
-
$3,362 SGD
View
B+
Retailer 6
-
$3,513 SGD
View
B+
Retailer 7
-
$3,912 SGD
View
B
Retailer 8
-
$5,615 SGD
View
Most Expensive
B
NZ Jewellers
320c87fb-5e1d-45f8-8c5c-507b92bd18b3 · Nov 5
$6,719 SGD
$5,260 USD
View
8 more retailers have this diamond
Prices start from $2,337 SGDSave up to $4,381 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
$2,337 SGD