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Princess|Lab Grown|IGI

0.51ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG795607870

Shape and cutting style on the report: Princess cut

Certificate IGI LG795607870

Diamond specifications and retailer prices

From £72 GBP
$97 USD
As of October 30, 2026
Save £593 GBP (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £665 GBP 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG795607870 or 795607870. Listed at 14 retailers as of October 29, 2026, with prices from £72 to £665, a £593 spread on the same certified stone. MOH London lists it at £665. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.3°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795607870
Dimensions4.51 × 4.48 × 2.90 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.51 mm4.48 mm0.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG795607870
Side View
Table 67.0%Crown 37.3°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 64.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £665 GBP|Low: £48 GBP|High: £881 GBP|Avg: £263 GBP|-23.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 7£48 GBP
Retailer 13£72 GBP
Retailer 4£81 GBP
Retailer 9£84 GBP
Retailer 11£96 GBP
Retailer 14£96 GBP
Retailer 2£173 GBP
Retailer 6£185 GBP
Retailer 8£217 GBP
Retailer 3£263 GBP
Retailer 12£290 GBP
Retailer 10£323 GBP
Retailer 15£333 GBP
Retailer 5£646 GBP
MOH London£665 GBP

44 data points across 15 retailers

14 retailers£72 GBP to £665 GBP

A
Cheapest Retailer
-
£72 GBP
$97 USD
A
Retailer 2
-
£81 GBP
$108 USD
View
Final sale: no returns
A
Retailer 3
-
£84 GBP
$113 USD
View
A
Retailer 4
-
£96 GBP
$129 USD
View
A
Retailer 5
-
£96 GBP
$129 USD
View
A
Retailer 6
-
£173 GBP
View
A
Retailer 7
-
£185 GBP
$248 USD
View
B+
Retailer 8
-
£217 GBP
View
B+
Retailer 9
-
£263 GBP
$352 USD
View
B+
Retailer 10
-
£290 GBP
$388 USD
View
B
Retailer 11
-
£323 GBP
$433 USD
View
B
Retailer 12
-
£333 GBP
$447 USD
View
B
Retailer 13
-
£646 GBP
$866 USD
View
Most Expensive
B
MOH London
LG795607870 · Oct 29
£665 GBP
View
13 more retailers have this diamond
Prices start from £72 GBPSave up to £593 GBP

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
£72 GBP