CaratHunter
Plans
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 €610 EUR (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €793 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 €793, a €610 spread on the same certified stone. MOH London lists it at €793. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €793 EUR|Low: €183 EUR|High: €829 EUR|Avg: €348 EUR|-4.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2€205 EUR
Retailer 6€222 EUR
Retailer 8€269 EUR
Retailer 7€295 EUR
Retailer 5€303 EUR
Retailer 3€315 EUR
Retailer 4€400 EUR
MOH London€793 EUR

29 data points across 8 retailers

9 retailers€183 EUR to €793 EUR

A
Cheapest Retailer
-
€183 EUR
$205 USD
B+
Retailer 2
-
€205 EUR
£180 GBP
View
B+
Retailer 3
-
€222 EUR
$248 USD
View
Retailer 4
-
€269 EUR
$300 USD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
€295 EUR
$330 USD
View
B+
Retailer 6
-
€303 EUR
$339 USD
View
B
Retailer 7
-
€315 EUR
$352 USD
View
B
Retailer 8
-
€400 EUR
$447 USD
View
Most Expensive
B
MOH London
LG842634199 · Nov 1
€793 EUR
£698 GBP
View
8 more retailers have this diamond
Prices start from €183 EURSave up to €610 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