Princess|Lab Grown|IGI

1.86ct G SI2 Princess Lab Grown Diamond

GD • G/SI2 • IGI LG514250503

Shape and cutting style on the report: Princess cut

Certificate IGI LG514250503

Diamond specifications and retailer prices

From £432 GBP
As of November 6, 2026
Save £728 GBP (63%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,161 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.86ct lab-grown princess diamond

This 1.86ct lab-grown princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI LG514250503 or 514250503. Listed at 9 retailers as of November 3, 2026, with prices from £432 to £1,161, a £728 spread on the same certified stone. MOH London lists it at £1,161. 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

1.86
Carat
G
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514250503
Dimensions6.71 × 6.60 × 4.80 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
6.71 mm6.60 mm1.86 ctG / SI2
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514250503
Side View
Table 69.0%Crown 42.2°Girdle: Slightly ThickPavilion 38.5°Culet: NoneDepth 72.7%

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: Nov 6
Current: £1,161 GBP|Low: £333 GBP|High: £1,167 GBP|Avg: £726 GBP|+27.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5£432 GBP
Retailer 2£511 GBP
Retailer 6£687 GBP
Retailer 4£769 GBP
Retailer 3£806 GBP
Retailer 7£940 GBP
MOH London£1,161 GBP

38 data points across 7 retailers

9 retailers£432 GBP to £1,161 GBP

Retailer 1
-
£166 GBP
Price last confirmed 45 days ago
Retailer 2
-
£204 GBP
View
Price last confirmed 44 days ago
B+
Retailer 3
-
£432 GBP
View
B
Retailer 4
-
£511 GBP
View
B
Retailer 5
-
£687 GBP
View
B
Retailer 6
-
£769 GBP
View
B
Retailer 7
-
£806 GBP
View
B
Retailer 8
-
£940 GBP
View
Most Expensive
C
MOH London
LG514250503 · Nov 3
£1,161 GBP
View
8 more retailers have this diamond
Prices start from £432 GBPSave up to £728 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.

B+
1.86ct Princess
£432 GBP