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Princess|Lab Grown|IGI

1.03ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG850694182

Certificate IGI LG850694182

Diamond specifications and retailer prices

From £165 GBP
As of November 5, 2026
Save £318 GBP (66%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £483 GBP at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.03ct lab-grown princess diamond

This 1.03ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG850694182 or 850694182. Listed at 4 retailers as of November 5, 2026, with prices from £165 to £483, a £318 spread on the same certified stone. Brilliant Earth lists it at £483. 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

1.03
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG850694182
Dimensions5.57 × 5.30 × 4.00 mm
L/W Ratio1.05
Top View
5.57 mm5.30 mm1.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG850694182
Side View
Table 67.0%CrownGirdle: MediumPavilionCulet: NoneDepth 75.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £483 GBP|Low: £165 GBP|High: £483 GBP|Avg: £303 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4£165 GBP
Retailer 2£256 GBP
Retailer 3£264 GBP
Brilliant Earth£483 GBP

2 data points across 4 retailers

4 retailers£165 GBP to £483 GBP

A
Cheapest Retailer
-
£165 GBP
B+
Retailer 2
-
£256 GBP
View
B+
Retailer 3
-
£264 GBP
View
Most Expensive
B
Brilliant Earth
22517536A · Nov 5
£483 GBP
$650 USD
View
3 more retailers have this diamond
Prices start from £165 GBPSave up to £318 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
1.03ct Princess
£165 GBP