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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 €407 EUR
$457 USD
As of November 1, 2026
Save €652 EUR (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,060 EUR at MOH London · As of October 29, 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 October 29, 2026, with prices from €407 to €1,060, a €652 spread on the same certified stone. MOH London lists it at €1,060. 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

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 1
Current: €1,060 EUR|Low: €385 EUR|High: €82,503 EUR|Avg: €2,457 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5€407 EUR
Retailer 7€410 EUR
Retailer 6€455 EUR
Retailer 2€493 EUR
Retailer 4€733 EUR
Retailer 3€762 EUR
Retailer 8€998 EUR
MOH London€1,060 EUR

40 data points across 8 retailers

8 retailers€407 EUR to €1,060 EUR

A
Cheapest Retailer
-
€407 EUR
$457 USD
A
Retailer 2
-
€410 EUR
$460 USD
View
A
Retailer 3
-
€455 EUR
$510 USD
View
A
Retailer 4
-
€493 EUR
£436 GBP
View
Retailer 5
-
€733 EUR
A$1,265 AUD
View
Price last confirmed 28 days ago
Retailer 6
-
€762 EUR
$855 USD
View
Price last confirmed 12 days ago
B
Retailer 7
-
€998 EUR
$1,119 USD
View
Most Expensive
B
MOH London
LG691548057 · Oct 29
€1,060 EUR
£936 GBP
View
7 more retailers have this diamond
Prices start from €407 EURSave up to €652 EUR

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
€407 EUR