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Round|Natural|GIA

1.13ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2566187057

Certificate GIA 2566187057

Diamond specifications and retailer prices

From $1,958 USD
£1,542 GBP
As of October 30, 2026
Save $2,284 USD (54%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,242 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.13ct natural round diamond

This 1.13ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566187057. Listed at 6 retailers as of October 30, 2026, with prices from $1,958 to $4,242, a $2,284 spread on the same certified stone. NZ Jewellers lists it at $4,242. 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

1.13
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566187057
Dimensions6.58 × 6.63 × 4.14 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Cloud, Crystal, Needle, Indented Natural
Top View
6.58 mm6.63 mm1.13 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2566187057
Side View
Table 58.0%Crown 36°GirdlePavilion 40.8°CuletDepth 62.7%

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: Oct 30
Current: $4,242 USD|Low: $1,951 USD|High: $4,262 USD|Avg: $2,775 USD|-0.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 3$1,958 USD
Retailer 5$2,029 USD
Retailer 6$2,123 USD
Retailer 2$2,272 USD
Retailer 4$3,560 USD
NZ Jewellers$4,242 USD

31 data points across 6 retailers

6 retailers$1,958 USD to $4,242 USD

A
Cheapest Retailer
-
$1,958 USD
£1,542 GBP
B+
Retailer 2
-
$2,029 USD
View
B+
Retailer 3
-
$2,123 USD
View
B+
Retailer 4
-
$2,272 USD
View
B
Retailer 5
-
$3,560 USD
£2,803 GBP
View
Most Expensive
C
NZ Jewellers
fee3e2d3-bd28-422d-9b2e-2a13ccc42c46 · Oct 30
$4,242 USD
View
5 more retailers have this diamond
Prices start from $1,958 USDSave up to $2,284 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
1.13ct Round
$1,958 USD