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1.01ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 623457656

Shape and cutting style on the report: Round brilliant

Certificate IGI 623457656

Diamond specifications and retailer prices

From $1,169 USD
As of October 30, 2026
Save $1,922 USD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,091 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct 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 IGI 623457656. Listed at 15 retailers as of October 30, 2026, with prices from $1,169 to $3,091, a $1,922 spread on the same certified stone. NZ Jewellers lists it at $3,091. 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

1.01
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.4°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 623457656
Dimensions6.40 × 6.36 × 3.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.40 mm6.36 mm1.01 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 623457656
Side View
Table 59.0%Crown 36.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.6%

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: $3,091 USD|Low: $1,072 USD|High: $3,091 USD|Avg: $1,537 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
Retailer 15
October 30, 2026
Retailer 13$1,169 USD
Retailer 11$1,205 USD
Retailer 2$1,223 USD
Retailer 3$1,267 USD
Retailer 5$1,267 USD
Retailer 14$1,316 USD
Retailer 15$1,347 USD
Retailer 12$1,358 USD
Retailer 6$1,402 USD
Retailer 4$1,462 USD
Retailer 10$1,505 USD
Retailer 7$1,508 USD
Retailer 9$1,676 USD
Retailer 8$2,334 USD
NZ Jewellers$3,091 USD

44 data points across 15 retailers

15 retailers$1,169 USD to $3,091 USD

A
Cheapest Retailer
-
$1,169 USD
Final sale: no returns
Retailer 2
-
$1,205 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$1,214 USD
View
A
Retailer 4
-
$1,223 USD
£963 GBP
View
A
Retailer 5
-
$1,267 USD
View
A
Retailer 6
-
$1,267 USD
View
A
Retailer 7
-
$1,316 USD
View
A
Retailer 8
-
$1,347 USD
View
A
Retailer 9
-
$1,358 USD
View
A
Retailer 10
-
$1,402 USD
View
B+
Retailer 11
-
$1,462 USD
View
B+
Retailer 12
-
$1,505 USD
£1,185 GBP
View
B+
Retailer 13
-
$1,676 USD
€1,596 EUR
View
B
Retailer 14
-
$2,334 USD
£1,838 GBP
View
Most Expensive
B
NZ Jewellers
1f95bea9-c9c5-410d-9912-8116841d46d3 · Oct 30
$3,091 USD
View
14 more retailers have this diamond
Prices start from $1,169 USDSave up to $1,922 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
1.01ct Round
$1,169 USD