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Princess|Lab Grown|IGI

0.51ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG512204028

Shape and cutting style on the report: Princess cut

Certificate IGI LG512204028

Diamond specifications and retailer prices

From €277 EUR
$310 USD
As of October 30, 2026
Save €459 EUR (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,599 EUR at MOH London · As of October 29, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512204028 or 512204028. Listed at 13 retailers as of October 28, 2026, with a 165% 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
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle41.1°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512204028
Dimensions4.32 × 4.23 × 3.15 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
4.32 mm4.23 mm0.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG512204028
Side View
Table 68.0%Crown 41.1°Girdle: Slightly ThickPavilion 38.5°Culet: NoneDepth 74.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,599 EUR|Low: €277 EUR|High: €1,610 EUR|Avg: €698 EUR|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 6€277 EUR
Retailer 9€328 EUR
Retailer 4€380 EUR
Retailer 3€407 EUR
Retailer 10€407 EUR
Retailer 11€650 EUR
Retailer 2€727 EUR
Retailer 5€728 EUR
Retailer 7€736 EUR
Retailer 8€1,194 EUR
Retailer 12€1,309 EUR
MOH London€1,599 EUR

43 data points across 12 retailers

13 retailers€277 EUR to €736 EUR

B+
Cheapest Retailer
-
€277 EUR
$310 USD
B+
Retailer 2
-
€328 EUR
$367 USD
View
B
Retailer 3
-
€380 EUR
$425 USD
View
B
Retailer 4
-
€407 EUR
$455 USD
View
B
Retailer 5
-
€407 EUR
$455 USD
View
B
Retailer 6
-
€650 EUR
$726 USD
View
B
Retailer 7
-
€727 EUR
View
B
Retailer 8
-
€728 EUR
£641 GBP
View
B
Retailer 9
-
€736 EUR
ZAR 13,289 ZAR
View
Retailer 10
-
€1,194 EUR
$1,334 USD
View
Price under review
Retailer 11
-
€1,309 EUR
$1,462 USD
View
Price under review
Retailer 12
-
€1,582 EUR
£1,392 GBP
View
Price under review
Most Expensive
MOH London
LG512204028 · Oct 29
€1,599 EUR
£1,407 GBP
View
Price under review
12 more retailers have this diamond
Prices start from €277 EURSave up to €459 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.

B+
0.51ct Princess
€277 EUR