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Princess|Lab Grown|IGI

0.51ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG840637303

Shape and cutting style on the report: Princess cut

Certificate IGI LG840637303

Diamond specifications and retailer prices

From €236 EUR
£208 GBP
As of October 28, 2026
Save €271 EUR (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,189 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 0.51ct lab-grown princess diamond

This 0.51ct lab-grown princess sits in the half to three-quarter carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840637303 or 840637303. Listed at 9 retailers as of October 28, 2026, with a 115% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840637303
Dimensions4.40 × 4.40 × 3.02 mm
L/W Ratio1.00
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
4.40 mm4.40 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840637303
Side View
Table 74.0%Crown 42.6°Girdle: MED-STKPavilion 37.9°CuletDepth 68.6%

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: Oct 28
Current: €1,189 EUR|Low: €206 EUR|High: €1,202 EUR|Avg: €432 EUR|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 28, 2026
Retailer 2€236 EUR
Retailer 5€237 EUR
Retailer 6€272 EUR
Retailer 4€282 EUR
Retailer 3€343 EUR
Retailer 7€438 EUR
Retailer 8€508 EUR
MOH London€1,189 EUR

27 data points across 8 retailers

9 retailers€236 EUR to €508 EUR

A
Cheapest Retailer
-
€236 EUR
£208 GBP
Retailer 2
-
€237 EUR
A$407 AUD
View
Price last confirmed 25 days ago
B+
Retailer 3
-
€272 EUR
$304 USD
View
Retailer 4
-
€282 EUR
$315 USD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
€340 EUR
$380 USD
View
B+
Retailer 6
-
€343 EUR
£302 GBP
View
B
Retailer 7
-
€438 EUR
$489 USD
View
B
Retailer 8
-
€508 EUR
$567 USD
View
Most Expensive
MOH London
LG840637303 · Oct 26
€1,189 EUR
£1,046 GBP
View
Price under review
8 more retailers have this diamond
Prices start from €236 EURSave up to €271 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 Princess
€236 EUR