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Round|Natural|GIA

1.13ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6451379454

Certificate GIA 6451379454

Diamond specifications and retailer prices

From $2,445 USD
As of October 30, 2026
Save $3,857 USD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,302 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 6451379454. Listed at 12 retailers as of October 30, 2026, with prices from $2,445 to $6,302, a $3,857 spread on the same certified stone. NZ Jewellers lists it at $6,302. 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
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6451379454
Dimensions6.84 × 6.82 × 4.03 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Top View
6.84 mm6.82 mm1.13 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451379454
Side View
Table 59.0%Crown 33°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 59.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,302 USD|Low: $2,445 USD|High: $6,302 USD|Avg: $3,389 USD
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
November 1, 2026
Retailer 10$2,445 USD
Retailer 9$2,510 USD
Retailer 5$2,553 USD
Retailer 12$2,565 USD
Retailer 3$2,731 USD
Retailer 13$2,731 USD
Retailer 11$2,836 USD
Retailer 14$3,151 USD
Retailer 7$3,204 USD
Retailer 4$3,499 USD
Retailer 8$3,529 USD
Retailer 6$3,587 USD
Retailer 2$5,041 USD
NZ Jewellers$6,302 USD

36 data points across 14 retailers

12 retailers$2,445 USD to $6,302 USD

B+
Cheapest Retailer
-
$2,445 USD
Retailer 2
-
$2,510 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
$2,565 USD
View
B
Retailer 4
-
$2,731 USD
View
B
Retailer 5
-
$2,731 USD
View
B+
Retailer 6
-
$2,836 USD
View
B
Retailer 7
-
$3,151 USD
View
B
Retailer 8
-
$3,204 USD
£2,523 GBP
View
Retailer 9
-
$3,499 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$3,529 USD
€3,361 EUR
View
B
Retailer 11
-
$5,041 USD
£3,969 GBP
View
Most Expensive
B
NZ Jewellers
169e736e-8f34-4960-9104-897b2f0cfce5 · Oct 30
$6,302 USD
View
11 more retailers have this diamond
Prices start from $2,445 USDSave up to $3,857 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.

B+
1.13ct Round
$2,445 USD