Radiant|Lab Grown|IGI

1.23ct F VVS1 Radiant Lab Grown Diamond

EX • F/VVS1 • IGI LG691548057

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG691548057

Diamond specifications and retailer prices

From $457 USD
As of November 6, 2026
Save $722 USD (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,179 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG691548057 or 691548057. Listed at 8 retailers as of November 5, 2026, with prices from $457 to $1,179, a $722 spread on the same certified stone. MOH London lists it at $1,179. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691548057
Dimensions7.95 × 5.12 × 3.49 mm
L/W Ratio1.55
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.95 mm5.12 mm1.23 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691548057
Side View
Table 64.0%Crown 43.2°Girdle: MED-STKPavilion 32.7°Culet: NoneDepth 68.2%

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: Nov 6
Current: $1,179 USD|Low: $432 USD|High: $92,535 USD|Avg: $2,078 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 5$457 USD
Retailer 7$460 USD
Retailer 6$510 USD
Retailer 2$552 USD
Retailer 4$822 USD
Retailer 3$855 USD
Retailer 8$1,119 USD
MOH London$1,179 USD

43 data points across 8 retailers

8 retailers$457 USD to $1,179 USD

A
Cheapest Retailer
-
$457 USD
A
Retailer 2
-
$460 USD
View
A
Retailer 3
-
$510 USD
View
B+
Retailer 4
-
$552 USD
View
Retailer 5
-
$822 USD
View
Price last confirmed 33 days ago
Retailer 6
-
$855 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$1,119 USD
View
Most Expensive
B
MOH London
LG691548057 · Nov 5
$1,179 USD
£928 GBP
View
7 more retailers have this diamond
Prices start from $457 USDSave up to $722 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 Radiant
$457 USD