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Round|Lab Grown|IGI

1.23ct K VS2 Round Lab Grown Diamond

ID • K/VS2 • IGI LG492113512

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492113512

Diamond specifications and retailer prices

From $1,068 USD
As of November 5, 2026
Save $3,120 USD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,188 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded K colour (faint-tinted) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492113512 or 492113512. Listed at 11 retailers as of November 5, 2026, with prices from $1,068 to $4,188, a $3,120 spread on the same certified stone. MOH London lists it at $4,188. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
K
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492113512
Dimensions6.88 × 6.92 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown 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 ctK / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492113512
Side View
Table 58.5%Crown 33.8°Girdle: MediumPavilion 41°Culet: NoneDepth 61.2%

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 5
Current: $4,188 USD|Low: $1,025 USD|High: $4,256 USD|Avg: $2,141 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6$1,068 USD
Retailer 7$1,238 USD
Retailer 9$1,238 USD
Retailer 5$1,415 USD
Retailer 10$1,773 USD
Retailer 2$1,830 USD
Retailer 8$1,973 USD
Retailer 4$2,124 USD
Retailer 11$2,512 USD
Retailer 3$2,772 USD
MOH London$4,188 USD

42 data points across 11 retailers

11 retailers$1,068 USD to $4,188 USD

A
Cheapest Retailer
-
$1,068 USD
B+
Retailer 2
-
$1,162 USD
View
B+
Retailer 3
-
$1,238 USD
View
Retailer 4
-
$1,238 USD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
$1,415 USD
View
B+
Retailer 6
-
$1,830 USD
View
B
Retailer 7
-
$1,973 USD
View
Retailer 8
-
$2,124 USD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$2,321 USD
View
B
Retailer 10
-
$2,512 USD
View
Most Expensive
B
MOH London
LG492113512 · Nov 5
$4,188 USD
£3,298 GBP
View
10 more retailers have this diamond
Prices start from $1,068 USDSave up to $3,120 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
$1,068 USD