Round|Natural|GIA

1.03ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1323995271

Certificate GIA 1323995271

Diamond specifications and retailer prices

From $1,523 USD
As of November 6, 2026
Save $2,751 USD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,274 USD 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 $1,523 to $4,274, a $2,751 spread on the same certified stone. NZ Jewellers lists it at $4,274. 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
Color
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: $4,274 USD|Low: $1,472 USD|High: $4,888 USD|Avg: $2,247 USD|-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$1,523 USD
Retailer 19$1,640 USD
Retailer 6$1,847 USD
Retailer 12$1,857 USD
Retailer 20$1,887 USD
Retailer 2$1,929 USD
Retailer 10$1,958 USD
Retailer 9$2,040 USD
Retailer 4$2,045 USD
Retailer 11$2,045 USD
Retailer 8$2,075 USD
Retailer 13$2,109 USD
Retailer 7$2,139 USD
Retailer 3$2,182 USD
Retailer 14$2,195 USD
Retailer 5$2,359 USD
Retailer 16$2,495 USD
Retailer 15$2,769 USD
Retailer 17$3,572 USD
NZ Jewellers$4,274 USD

33 data points across 20 retailers

19 retailers$1,523 USD to $4,274 USD

A
Cheapest Retailer
-
$1,523 USD
A
Retailer 2
-
$1,640 USD
View
B+
Retailer 3
-
$1,847 USD
View
B+
Retailer 4
-
$1,887 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,929 USD
View
B+
Retailer 6
-
$1,958 USD
View
B+
Retailer 7
-
$2,040 USD
View
Retailer 8
-
$2,045 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,045 USD
View
B+
Retailer 10
-
$2,075 USD
View
B+
Retailer 11
-
$2,109 USD
View
B+
Retailer 12
-
$2,139 USD
View
B+
Retailer 13
-
$2,182 USD
View
B+
Retailer 14
-
$2,195 USD
View
B
Retailer 15
-
$2,359 USD
View
B
Retailer 16
-
$2,495 USD
View
B
Retailer 17
-
$2,769 USD
View
B
Retailer 18
-
$3,572 USD
View
Most Expensive
B
NZ Jewellers
e7877a19-59e1-48f1-b0cc-a4a31e5e3b8e · Nov 5
$4,274 USD
View
18 more retailers have this diamond
Prices start from $1,523 USDSave up to $2,751 USD

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
$1,523 USD