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Princess|Lab Grown|IGI

0.78ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG698586235

Shape and cutting style on the report: Princess cut

Certificate IGI LG698586235

Diamond specifications and retailer prices

From £86 GBP
As of November 6, 2026
Save £807 GBP (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £894 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.78ct lab-grown princess diamond

This 0.78ct lab-grown princess sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG698586235 or 698586235. Listed at 12 retailers as of November 5, 2026, with prices from £86 to £894, a £807 spread on the same certified stone. MOH London lists it at £894. 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

0.78
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle45.3°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG698586235
Dimensions5.05 × 5.00 × 3.55 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.05 mm5.00 mm0.78 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG698586235
Side View
Table 67.0%Crown 45.3°Girdle: MediumPavilion 37.7°Culet: NoneDepth 71.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £894 GBP|Low: £86 GBP|High: £895 GBP|Avg: £276 GBP|-0.2%
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
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Retailer 16
November 6, 2026
Retailer 11£86 GBP
Retailer 10£100 GBP
Retailer 12£114 GBP
Retailer 3£123 GBP
Retailer 15£156 GBP
Retailer 5£162 GBP
Retailer 16£210 GBP
Retailer 2£216 GBP
Retailer 4£233 GBP
Retailer 13£285 GBP
Retailer 7£308 GBP
Retailer 14£345 GBP
Retailer 9£385 GBP
Retailer 6£427 GBP
Retailer 8£542 GBP
MOH London£894 GBP

10 data points across 16 retailers

12 retailers£86 GBP to £894 GBP

A
Cheapest Retailer
-
£86 GBP
A
Retailer 2
-
£100 GBP
View
A
Retailer 3
-
£114 GBP
View
A
Retailer 4
-
£123 GBP
View
Retailer 5
-
£156 GBP
View
Price last confirmed 9 days ago
B+
Retailer 6
-
£210 GBP
View
B+
Retailer 7
-
£216 GBP
View
B+
Retailer 8
-
£233 GBP
View
B+
Retailer 9
-
£285 GBP
View
B
Retailer 10
-
£345 GBP
View
B
Retailer 11
-
£385 GBP
View
Most Expensive
B
MOH London
LG698586235 · Nov 5
£894 GBP
View
11 more retailers have this diamond
Prices start from £86 GBPSave up to £807 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
0.78ct Princess
£86 GBP