Round|Lab Grown|IGI

1.23ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG851617161

Shape and cutting style on the report: Round brilliant

Certificate IGI LG851617161

Diamond specifications and retailer prices

From €217 EUR
As of November 4, 2026
Save €432 EUR (67%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €869 EUR 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 F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851617161 or 851617161. Listed at 12 retailers as of November 4, 2026, with a 200% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851617161
Dimensions6.83 × 6.85 × 4.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.83 mm6.85 mm1.23 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851617161
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €869 EUR|Low: €217 EUR|High: €869 EUR|Avg: €453 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 4€217 EUR
Retailer 10€251 EUR
Retailer 3€315 EUR
Retailer 5€324 EUR
Retailer 7€342 EUR
Retailer 12€356 EUR
Retailer 9€405 EUR
Retailer 11€462 EUR
Retailer 2€616 EUR
Retailer 6€618 EUR
Retailer 8€649 EUR
MOH London€869 EUR

9 data points across 12 retailers

12 retailers€217 EUR to €649 EUR

A
Cheapest Retailer
-
€217 EUR
B+
Retailer 2
-
€251 EUR
View
Retailer 3
-
€315 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
€324 EUR
View
A
Retailer 5
-
€342 EUR
View
B+
Retailer 6
-
€356 EUR
View
B+
Retailer 7
-
€405 EUR
View
B+
Retailer 8
-
€462 EUR
View
B+
Retailer 9
-
€616 EUR
View
B+
Retailer 10
-
€618 EUR
View
B
Retailer 11
-
€649 EUR
View
Most Expensive
MOH London
LG851617161 · Oct 29
€869 EUR
£768 GBP
View
Price last confirmed 7 days ago
11 more retailers have this diamond
Prices start from €217 EURSave up to €432 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 Round
€217 EUR