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Round|Lab Grown|IGI

1.23ct I VS2 Round Lab Grown Diamond

ID • I/VS2 • IGI LG492113593

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492113593

Diamond specifications and retailer prices

From $710 USD
As of October 30, 2026
Save $1,215 USD (63%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,290 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492113593 or 492113593. Listed at 12 retailers as of October 29, 2026, with a 171% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
I
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492113593
Dimensions6.88 × 6.92 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.88 mm6.92 mm1.23 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492113593
Side View
Table 56.0%Crown 33°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.5%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $710 USD|Low: $710 USD|High: $5,074 USD|Avg: $2,514 USD|-28.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 1$710 USD
Retailer 8$1,513 USD
Retailer 12$1,695 USD
Retailer 9$1,755 USD
Retailer 11$1,755 USD
Retailer 2$1,925 USD
Retailer 3$2,362 USD
Retailer 10$2,766 USD
Retailer 5$2,955 USD
Retailer 7$3,104 USD
Retailer 4$3,929 USD
Retailer 6$5,041 USD

17 data points across 12 retailers

12 retailers$710 USD to $1,925 USD

B+
Cheapest Retailer
-
$710 USD
B
Retailer 2
-
$1,513 USD
View
B
Retailer 3
-
$1,646 USD
View
B
Retailer 4
-
$1,695 USD
View
Final sale: no returns
Retailer 5
-
$1,755 USD
View
Price last confirmed 17 days ago
B
Retailer 6
-
$1,755 USD
View
B
Retailer 7
-
$1,925 USD
View
Retailer 8
-
$2,766 USD
View
Price under review
Retailer 9
-
$2,955 USD
€2,814 EUR
View
Price under review
Retailer 10
-
$3,104 USD
View
Price under review
Most Expensive
NZ Jewellers
320d91d7-bafa-4720-a7eb-d46d56dcbcad · Oct 27
$3,290 USD
View
Price under review
10 more retailers have this diamond
Prices start from $710 USDSave up to $1,215 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+
1.23ct Round
$710 USD