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Princess|Lab Grown|IGI

3.07ct H SI1 Princess Lab Grown Diamond

H/SI1 • IGI LG12958210

Shape and cutting style on the report: Square modified brilliant

Certificate IGI LG12958210

Diamond specifications and retailer prices

From £3,311 GBP
As of November 5, 2026
Save £2,528 GBP (43%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £5,839 GBP at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.07ct lab-grown princess diamond

This 3.07ct lab-grown princess sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included) and certified by IGI LG12958210 or 12958210. Listed at 2 retailers as of November 5, 2026, with prices from £3,311 to £5,839, a £2,528 spread on the same certified stone. The Diamond Guys lists it at £5,839. 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

3.07
Carat
H
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.1°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12958210
Dimensions8.24 × 8.15 × 5.16 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.
Top View
8.24 mm8.15 mm3.07 ctH / SI1
OriginLab Grown
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG12958210
Side View
Table 77.0%Crown 40.1°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 63.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: £3,311 GBP|Low: £2,501 GBP|High: £5,839 GBP|Avg: £3,874 GBP|+32.4%
Retailer 1
The Diamond Guys
June 15, 2026
Retailer 1£3,311 GBP
The Diamond Guys£5,839 GBP

13 data points across 2 retailers

2 retailers£3,311 GBP to £5,839 GBP

B
Cheapest Retailer
-
£3,311 GBP
Most Expensive
C
The Diamond Guys
1779253090 · Nov 6
£5,839 GBP
$7,859 USD
View
1 more retailer has this diamond
Prices start from £3,311 GBPSave up to £2,528 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
3.07ct Princess
£3,311 GBP