Princess|Lab Grown|IGI

0.51ct G VS1 Princess Lab Grown Diamond

EX • G/VS1 • IGI LG786609691

Shape and cutting style on the report: Princess cut

Certificate IGI LG786609691

Diamond specifications and retailer prices

From $275 USD
As of October 30, 2026
Save $898 USD (77%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,173 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 LG786609691 or 786609691. Listed at 6 retailers as of October 29, 2026, with prices from $275 to $1,173, a $898 spread on the same certified stone. MOH London lists it at $1,173. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786609691
Dimensions4.39 × 4.30 × 3.22 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.39 mm4.30 mm0.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG786609691
Side View
Table 69.0%Crown 40.8°Girdle: MediumPavilion 40.2°Culet: NoneDepth 74.9%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $1,173 USD|Low: $250 USD|High: $1,180 USD|Avg: $447 USD|+0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6$275 USD
Retailer 7$277 USD
Retailer 2$282 USD
Retailer 3$338 USD
Retailer 5$369 USD
Retailer 4$507 USD
MOH London$1,173 USD

27 data points across 7 retailers

6 retailers$275 USD to $1,173 USD

B+
Cheapest Retailer
-
$275 USD
B+
Retailer 2
-
$282 USD
£222 GBP
View
B+
Retailer 3
-
$338 USD
£266 GBP
View
B+
Retailer 4
-
$369 USD
View
B
Retailer 5
-
$507 USD
View
Most Expensive
B
MOH London
LG786609691 · Oct 29
$1,173 USD
£924 GBP
View
5 more retailers have this diamond
Prices start from $275 USDSave up to $898 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
$275 USD