Round|Natural|IGI

1.23ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 732588697

Shape and cutting style on the report: Round brilliant

Certificate IGI 732588697

Diamond specifications and retailer prices

From $1,652 USD
As of November 6, 2026
Save $3,198 USD (66%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,850 USD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 732588697. Listed at 11 retailers as of November 2, 2026, with prices from $1,652 to $4,850, a $3,198 spread on the same certified stone. NZ Jewellers lists it at $4,850. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
J
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle32.7°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 732588697
Dimensions6.88 × 6.94 × 4.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.88 mm6.94 mm1.23 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 732588697
Side View
Table 60.0%Crown 32.7°Girdle: MED-STKPavilion 40.8°CuletDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,652 USD|Low: $1,652 USD|High: $3,525 USD|Avg: $2,303 USD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$1,652 USD
Retailer 7$1,835 USD
Retailer 2$1,850 USD
Retailer 8$2,080 USD
Retailer 6$2,295 USD
Retailer 4$2,426 USD
Retailer 3$2,825 USD
Retailer 5$3,474 USD

41 data points across 8 retailers

11 retailers$1,652 USD to $4,850 USD

A
Cheapest Retailer
-
$1,652 USD
A
Retailer 2
-
$1,835 USD
View
Final sale: no returns
A
Retailer 3
-
$1,850 USD
View
A
Retailer 4
-
$1,988 USD
View
B+
Retailer 5
-
$2,080 USD
View
B+
Retailer 6
-
$2,294 USD
View
B+
Retailer 7
-
$2,295 USD
View
A
Retailer 8
-
$2,426 USD
View
B+
Retailer 9
-
$2,825 USD
View
B
Retailer 10
-
$3,474 USD
View
Most Expensive
B
NZ Jewellers
58690c0d-85d6-4540-95cb-079b6cdebe28 · Nov 2
$4,850 USD
View
10 more retailers have this diamond
Prices start from $1,652 USDSave up to $3,198 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
1.23ct Round
$1,652 USD