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Round|Natural|GIA

1.03ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1323995271

Certificate GIA 1323995271

Diamond specifications and retailer prices

From $1,945 SGD
As of November 6, 2026
Save $3,514 SGD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,459 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1323995271. Listed at 19 retailers as of November 5, 2026, with prices from $1,945 to $5,459, a $3,514 spread on the same certified stone. NZ Jewellers lists it at $5,459. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1323995271
Dimensions6.44 × 6.42 × 4.04 mm
L/W Ratio1.00
Key to symbols
Crystal, Feather, Needle
Top View
6.44 mm6.42 mm1.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1323995271
Side View
Table 58.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 62.8%

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: $5,459 SGD|Low: $1,880 SGD|High: $6,243 SGD|Avg: $2,870 SGD|-12.6%
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
November 6, 2026
Retailer 18$1,945 SGD
Retailer 19$2,095 SGD
Retailer 6$2,359 SGD
Retailer 12$2,372 SGD
Retailer 20$2,410 SGD
Retailer 2$2,464 SGD
Retailer 10$2,501 SGD
Retailer 9$2,606 SGD
Retailer 4$2,612 SGD
Retailer 11$2,612 SGD
Retailer 8$2,650 SGD
Retailer 13$2,694 SGD
Retailer 7$2,732 SGD
Retailer 3$2,787 SGD
Retailer 14$2,804 SGD
Retailer 5$3,013 SGD
Retailer 16$3,187 SGD
Retailer 15$3,537 SGD
Retailer 17$4,563 SGD
NZ Jewellers$5,459 SGD

33 data points across 20 retailers

19 retailers$1,945 SGD to $5,459 SGD

A
Cheapest Retailer
-
$1,945 SGD
A
Retailer 2
-
$2,095 SGD
View
B+
Retailer 3
-
$2,359 SGD
View
B+
Retailer 4
-
$2,410 SGD
View
Final sale: no returns
B+
Retailer 5
-
$2,464 SGD
View
B+
Retailer 6
-
$2,501 SGD
View
B+
Retailer 7
-
$2,606 SGD
View
Retailer 8
-
$2,612 SGD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,612 SGD
View
B+
Retailer 10
-
$2,650 SGD
View
B+
Retailer 11
-
$2,694 SGD
View
B+
Retailer 12
-
$2,732 SGD
View
B+
Retailer 13
-
$2,787 SGD
View
B+
Retailer 14
-
$2,804 SGD
View
B
Retailer 15
-
$3,013 SGD
View
B
Retailer 16
-
$3,187 SGD
View
B
Retailer 17
-
$3,537 SGD
View
B
Retailer 18
-
$4,563 SGD
View
Most Expensive
B
NZ Jewellers
e7877a19-59e1-48f1-b0cc-a4a31e5e3b8e · Nov 5
$5,459 SGD
$4,274 USD
View
18 more retailers have this diamond
Prices start from $1,945 SGDSave up to $3,514 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
$1,945 SGD