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Round|Lab Grown|IGI

0.51ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG842634199

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842634199

Diamond specifications and retailer prices

From €183 EUR
$205 USD
As of November 1, 2026
Save €608 EUR (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €790 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842634199 or 842634199. Listed at 9 retailers as of November 1, 2026, with prices from €183 to €790, a €608 spread on the same certified stone. MOH London lists it at €790. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842634199
Dimensions5.09 × 5.12 × 3.17 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.09 mm5.12 mm0.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842634199
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

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: €790 EUR|Low: €183 EUR|High: €825 EUR|Avg: €346 EUR|-4.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2€204 EUR
Retailer 6€221 EUR
Retailer 8€267 EUR
Retailer 7€294 EUR
Retailer 5€302 EUR
Retailer 3€314 EUR
Retailer 4€398 EUR
MOH London€790 EUR

29 data points across 8 retailers

9 retailers€183 EUR to €790 EUR

A
Cheapest Retailer
-
€183 EUR
$205 USD
B+
Retailer 2
-
€204 EUR
£180 GBP
View
B+
Retailer 3
-
€221 EUR
$248 USD
View
Retailer 4
-
€267 EUR
$300 USD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
€294 EUR
$330 USD
View
B+
Retailer 6
-
€302 EUR
$339 USD
View
B
Retailer 7
-
€314 EUR
$352 USD
View
B
Retailer 8
-
€398 EUR
$447 USD
View
Most Expensive
B
MOH London
LG842634199 · Nov 1
€790 EUR
£698 GBP
View
8 more retailers have this diamond
Prices start from €183 EURSave up to €608 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
0.51ct Round
€183 EUR