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Round|Lab Grown|IGI

0.51ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG846661635

Shape and cutting style on the report: Round brilliant

Certificate IGI LG846661635

Diamond specifications and retailer prices

From €165 EUR
$185 USD
As of November 1, 2026
Save €804 EUR (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €969 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846661635 or 846661635. Listed at 9 retailers as of November 1, 2026, with prices from €165 to €969, a €804 spread on the same certified stone. MOH London lists it at €969. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846661635
Dimensions5.11 × 5.15 × 3.16 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
5.11 mm5.15 mm0.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846661635
Side View
Table 56.0%Crown 34.1°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.5%

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 1
Current: €969 EUR|Low: €165 EUR|High: €1,248 EUR|Avg: €377 EUR|-22.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9€165 EUR
Retailer 2€216 EUR
Retailer 7€224 EUR
Retailer 3€229 EUR
Retailer 4€241 EUR
Retailer 6€321 EUR
Retailer 5€322 EUR
Retailer 8€425 EUR
MOH London€969 EUR

15 data points across 9 retailers

9 retailers€165 EUR to €969 EUR

A
Cheapest Retailer
-
€165 EUR
$185 USD
A
Retailer 2
-
€216 EUR
View
A
Retailer 3
-
€224 EUR
$251 USD
View
A
Retailer 4
-
€229 EUR
£202 GBP
View
A
Retailer 5
-
€241 EUR
$270 USD
View
B+
Retailer 6
-
€321 EUR
$360 USD
View
B+
Retailer 7
-
€322 EUR
$361 USD
View
B+
Retailer 8
-
€425 EUR
$477 USD
View
Most Expensive
B
MOH London
LG846661635 · Nov 1
€969 EUR
£856 GBP
View
8 more retailers have this diamond
Prices start from €165 EURSave up to €804 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
€165 EUR