Round|Lab Grown|IGI

1.23ct H VS2 Round Lab Grown Diamond

EX • H/VS2 • IGI LG781609788

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781609788

Diamond specifications and retailer prices

From $199 USD
As of October 29, 2026
Save $961 USD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,160 USD at MOH London · As of October 29, 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 H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781609788 or 781609788. Listed at 17 retailers as of October 29, 2026, with prices from $199 to $1,160, a $961 spread on the same certified stone. MOH London lists it at $1,160. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
H
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781609788
Dimensions6.82 × 6.84 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.82 mm6.84 mm1.23 ctH / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781609788
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.7%

Caratlytics Score

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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: Oct 29
Current: $1,160 USD|Low: $130 USD|High: $1,167 USD|Avg: $567 USD|-0.5%
MOH London
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 31, 2026
Retailer 6$130 USD
Retailer 11$199 USD
Retailer 13$247 USD
Retailer 5$428 USD
Retailer 14$428 USD
Retailer 4$433 USD
Retailer 2$452 USD
Retailer 15$492 USD
Retailer 9$500 USD
Retailer 12$570 USD
Retailer 10$634 USD
Retailer 7$846 USD
Retailer 3$887 USD
Retailer 8$960 USD
MOH London$1,160 USD

23 data points across 15 retailers

17 retailers$199 USD to $1,160 USD

A
Cheapest Retailer
-
$199 USD
A
Retailer 2
-
$231 USD
View
A
Retailer 3
-
$247 USD
View
A
Retailer 4
-
$247 USD
View
A
Retailer 5
-
$428 USD
View
B+
Retailer 6
-
$433 USD
View
B+
Retailer 7
-
$452 USD
€430 EUR
View
B+
Retailer 8
-
$492 USD
View
Retailer 9
-
$500 USD
View
Price last confirmed 13 days ago
B+
Retailer 10
-
$570 USD
View
B
Retailer 11
-
$634 USD
View
Retailer 12
-
$723 USD
View
Price last confirmed 45 days ago
B
Retailer 13
-
$793 USD
View
B
Retailer 14
-
$846 USD
View
B
Retailer 15
-
$905 USD
View
B
Retailer 16
-
$960 USD
£756 GBP
View
Most Expensive
B
MOH London
LG781609788 · Oct 29
$1,160 USD
£913 GBP
View
16 more retailers have this diamond
Prices start from $199 USDSave up to $961 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
$199 USD