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 $310 USD
As of October 30, 2026
Save $513 USD (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,787 USD 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: $1,787 USD|Low: $310 USD|High: $1,798 USD|Avg: $777 USD|+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 30, 2026
Retailer 2$310 USD
Retailer 9$367 USD
Retailer 4$425 USD
Retailer 3$455 USD
Retailer 10$455 USD
Retailer 11$726 USD
Retailer 6$817 USD
Retailer 5$821 USD
Retailer 7$823 USD
Retailer 8$1,334 USD
Retailer 12$1,462 USD
MOH London$1,787 USD

43 data points across 12 retailers

13 retailers$310 USD to $823 USD

B+
Cheapest Retailer
-
$310 USD
B+
Retailer 2
-
$367 USD
View
B
Retailer 3
-
$425 USD
View
B
Retailer 4
-
$455 USD
View
B
Retailer 5
-
$455 USD
View
B
Retailer 6
-
$726 USD
View
B
Retailer 7
-
$817 USD
€778 EUR
View
B
Retailer 8
-
$821 USD
£646 GBP
View
B
Retailer 9
-
$823 USD
ZAR 13,289 ZAR
View
Retailer 10
-
$1,334 USD
View
Price under review
Retailer 11
-
$1,462 USD
View
Price under review
Retailer 12
-
$1,768 USD
£1,392 GBP
View
Price under review
Most Expensive
MOH London
LG512204028 · Oct 29
$1,787 USD
£1,407 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $310 USDSave up to $513 USD

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
$310 USD