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Princess|Lab Grown|IGI

1.00ct F SI1 Princess Lab Grown Diamond

ID • F/SI1 • IGI LG700516088

Shape and cutting style on the report: Princess cut

Certificate IGI LG700516088

Diamond specifications and retailer prices

From £202 GBP
As of November 6, 2026
Save £469 GBP (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £671 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1ct lab-grown princess diamond

This 1ct lab-grown princess sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG700516088 or 700516088. Listed at 8 retailers as of November 2, 2026, with prices from £202 to £671, a £469 spread on the same certified stone. MOH London lists it at £671. 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

1.00
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700516088
Dimensions5.32 × 5.30 × 3.83 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.32 mm5.30 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700516088
Side View
Table 73.0%Crown 45.7°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 72.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £671 GBP|Low: £143 GBP|High: £685 GBP|Avg: £332 GBP|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7£143 GBP
Retailer 2£202 GBP
Retailer 5£224 GBP
Retailer 4£262 GBP
Retailer 3£285 GBP
Retailer 8£345 GBP
Retailer 6£523 GBP
MOH London£671 GBP

42 data points across 8 retailers

8 retailers£202 GBP to £671 GBP

Retailer 1
-
£143 GBP
Price last confirmed 12 days ago
B+
Retailer 2
-
£202 GBP
View
A
Retailer 3
-
£224 GBP
View
A
Retailer 4
-
£262 GBP
View
B+
Retailer 5
-
£285 GBP
View
B+
Retailer 6
-
£345 GBP
View
B
Retailer 7
-
£523 GBP
View
Most Expensive
B
MOH London
LG700516088 · Nov 2
£671 GBP
View
7 more retailers have this diamond
Prices start from £202 GBPSave up to £469 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
1.00ct Princess
£202 GBP