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Oval|Lab Grown|IGI

1.23ct G VS1 Oval Lab Grown Diamond

VG • G/VS1 • IGI LG633429756

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG633429756

Diamond specifications and retailer prices

From €215 EUR
As of November 3, 2026
Save €606 EUR (74%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €821 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG633429756 or 633429756. Listed at 9 retailers as of November 3, 2026, with prices from €215 to €821, a €606 spread on the same certified stone. MOH London lists it at €821. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
G
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633429756
Dimensions8.17 × 6.05 × 3.91 mm
L/W Ratio1.35
Girdle conditionFaceted
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
8.17 mm6.05 mm1.23 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633429756
Side View
Table 59.0%Crown 36.8°Girdle: STK-THKPavilion 41°Culet: NoneDepth 64.6%

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 3
Current: €821 EUR|Low: €215 EUR|High: €827 EUR|Avg: €451 EUR|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 3€215 EUR
Retailer 5€320 EUR
Retailer 2€326 EUR
Retailer 8€333 EUR
Retailer 7€393 EUR
Retailer 4€452 EUR
Retailer 9€591 EUR
Retailer 6€629 EUR
MOH London€821 EUR

19 data points across 9 retailers

9 retailers€215 EUR to €821 EUR

A
Cheapest Retailer
-
€215 EUR
A
Retailer 2
-
€320 EUR
View
A
Retailer 3
-
€326 EUR
View
A
Retailer 4
-
€333 EUR
View
B+
Retailer 5
-
€393 EUR
View
A
Retailer 6
-
€452 EUR
View
B+
Retailer 7
-
€591 EUR
View
B
Retailer 8
-
€629 EUR
View
Most Expensive
B
MOH London
LG633429756 · Nov 4
€821 EUR
£728 GBP
View
8 more retailers have this diamond
Prices start from €215 EURSave up to €606 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 Oval
€215 EUR