Round|Lab Grown|IGI

1.23ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG476185656

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476185656

Diamond specifications and retailer prices

From $896 USD
As of October 25, 2026
15 retailers carry this diamond
Most expensive: $2,513 USD at MOH London · As of October 21, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG476185656 or 476185656. Listed at 15 retailers as of October 25, 2026. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476185656
Dimensions6.79 × 6.78 × 4.27 mm
L/W Ratio1.00
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
6.79 mm6.78 mm1.23 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476185656
Side View
Table 56.0%Crown 35.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 25
Current: $2,513 USD|Low: $385 USD|High: $2,530 USD|Avg: $1,066 USD|-0.7%
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
Retailer 16
Retailer 17
Retailer 18
October 24, 2026
Retailer 14$483 USD
Retailer 6$540 USD
Retailer 11$541 USD
Retailer 3$599 USD
Retailer 13$599 USD
Retailer 16$670 USD
Retailer 7$762 USD
Retailer 18$765 USD
Retailer 8$794 USD
Retailer 4$896 USD
Retailer 5$933 USD
Retailer 12$1,020 USD
Retailer 2$1,351 USD
Retailer 10$1,604 USD
Retailer 17$1,610 USD
Retailer 15$1,925 USD
Retailer 9$1,953 USD
MOH London$2,513 USD

18 data points across 18 retailers

15 retailers

Retailer 1
-
$483 USD
Price last confirmed 9 days ago
Retailer 2
-
$541 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$599 USD
View
Price last confirmed 15 days ago
Retailer 4
-
$599 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$670 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$762 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$765 USD
View
Price last confirmed 7 days ago
B
Retailer 8
-
$896 USD
View
Retailer 9
-
$933 USD
View
Price last confirmed 8 days ago
Retailer 10
-
$1,020 USD
ZAR 16,477 ZAR
View
Price last confirmed 8 days ago
Retailer 11
-
$1,351 USD
£1,064 GBP
View
Price last confirmed 7 days ago
Retailer 12
-
$1,610 USD
View
Price last confirmed 8 days ago
Retailer 13
-
$1,925 USD
View
Price last confirmed 10 days ago
Retailer 14
-
$1,953 USD
View
Price last confirmed 7 days ago
Most Expensive
MOH London
LG476185656 · Oct 21
$2,513 USD
£1,979 GBP
View
Price under review
14 more retailers have this diamond
Prices start from $896 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
$896 USD