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Round|Lab Grown|IGI

1.23ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG843618736

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843618736

Diamond specifications and retailer prices

From €155 EUR
As of November 3, 2026
Save €742 EUR (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €897 EUR at MOH London · As of November 5, 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 G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843618736 or 843618736. Listed at 19 retailers as of November 3, 2026, with prices from €155 to €897, a €742 spread on the same certified stone. MOH London lists it at €897. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843618736
Dimensions6.89 × 6.92 × 4.23 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
6.89 mm6.92 mm1.23 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843618736
Side View
Table 57.0%Crown 33.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.3%

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 3
Current: €897 EUR|Low: €155 EUR|High: €909 EUR|Avg: €424 EUR|-1.2%
MOH London
Retailer 2
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Retailer 20
November 5, 2026
Retailer 4€155 EUR
Retailer 18€180 EUR
Retailer 3€193 EUR
Retailer 8€193 EUR
Retailer 10€216 EUR
Retailer 11€259 EUR
Retailer 20€322 EUR
Retailer 14€326 EUR
Retailer 16€332 EUR
Retailer 2€340 EUR
Retailer 19€401 EUR
Retailer 7€414 EUR
Retailer 15€469 EUR
Retailer 17€479 EUR
Retailer 13€519 EUR
Retailer 5€619 EUR
Retailer 12€639 EUR
Retailer 9€649 EUR
Retailer 6€666 EUR
MOH London€897 EUR

26 data points across 20 retailers

19 retailers€155 EUR to €897 EUR

A
Cheapest Retailer
-
€155 EUR
A
Retailer 2
-
€180 EUR
View
A
Retailer 3
-
€193 EUR
View
Retailer 4
-
€193 EUR
View
Price last confirmed 11 days ago
A
Retailer 5
-
€216 EUR
View
B+
Retailer 6
-
€259 EUR
View
A
Retailer 7
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€326 EUR
View
A
Retailer 8
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€332 EUR
View
A
Retailer 9
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€340 EUR
View
B+
Retailer 10
-
€401 EUR
View
B+
Retailer 11
-
€414 EUR
View
B+
Retailer 12
-
€469 EUR
View
B+
Retailer 13
-
€479 EUR
View
B+
Retailer 14
-
€519 EUR
View
B
Retailer 15
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€619 EUR
View
B
Retailer 16
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€639 EUR
View
B
Retailer 17
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€649 EUR
View
B
Retailer 18
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€666 EUR
View
Most Expensive
B
MOH London
LG843618736 · Nov 5
€897 EUR
£796 GBP
View
18 more retailers have this diamond
Prices start from €155 EURSave up to €742 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
€155 EUR