Princess|Lab Grown|IGI

0.51ct G VS1 Princess Lab Grown Diamond

VG • G/VS1 • IGI LG843689211

Shape and cutting style on the report: Princess cut

Certificate IGI LG843689211

Diamond specifications and retailer prices

From $237 USD
€226 EUR
As of October 29, 2026
Save $225 USD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $927 USD at MOH London · As of October 19, 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 very-good cut grade and certified by IGI LG843689211 or 843689211. Listed at 8 retailers as of October 29, 2026, with a 95% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
G
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle47°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843689211
Dimensions4.40 × 4.36 × 3.12 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.40 mm4.36 mm0.51 ctG / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG843689211
Side View
Table 83.0%Crown 47°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 71.6%

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 29
Current: $927 USD|Low: $231 USD|High: $927 USD|Avg: $401 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4$237 USD
Retailer 2$244 USD
Retailer 6$255 USD
Retailer 3$280 USD
Retailer 5$303 USD
Retailer 7$431 USD
Retailer 8$462 USD
MOH London$927 USD

11 data points across 8 retailers

8 retailers$237 USD to $462 USD

B+
Cheapest Retailer
-
$237 USD
€226 EUR
B+
Retailer 2
-
$244 USD
£192 GBP
View
B+
Retailer 3
-
$255 USD
View
B+
Retailer 4
-
$280 USD
View
B+
Retailer 5
-
$303 USD
£239 GBP
View
B
Retailer 6
-
$431 USD
View
B
Retailer 7
-
$462 USD
View
Most Expensive
MOH London
LG843689211 · Oct 19
$927 USD
£730 GBP
View
Price last confirmed 12 days ago
7 more retailers have this diamond
Prices start from $237 USDSave up to $225 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
$237 USD