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Princess|Lab Grown|IGI

3.00ct K SI1 Princess Lab Grown Diamond

EX • K/SI1 • IGI LG499125630

Shape and cutting style on the report: Princess cut

Certificate IGI LG499125630

Diamond specifications and retailer prices

From £2,938 GBP
As of November 6, 2026
Save £4,362 GBP (60%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £7,300 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 3ct lab-grown princess diamond

This 3ct lab-grown princess sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499125630 or 499125630. Listed at 10 retailers as of November 3, 2026, with prices from £2,938 to £7,300, a £4,362 spread on the same certified stone. MOH London lists it at £7,300. 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

3.00
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499125630
Dimensions7.92 × 7.69 × 5.44 mm
L/W Ratio1.03
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
7.92 mm7.69 mm3.00 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499125630
Side View
Table 75.5%Crown 41.9°Girdle: STK-THKPavilion 38°Culet: NoneDepth 70.7%

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: £7,300 GBP|Low: £2,938 GBP|High: £7,397 GBP|Avg: £4,493 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4£2,938 GBP
Retailer 7£3,097 GBP
Retailer 3£3,451 GBP
Retailer 6£3,817 GBP
Retailer 8£4,390 GBP
Retailer 2£4,520 GBP
Retailer 5£5,278 GBP
MOH London£7,300 GBP

13 data points across 8 retailers

10 retailers£2,938 GBP to £7,300 GBP

A
Cheapest Retailer
-
£2,938 GBP
A
Retailer 2
-
£3,079 GBP
View
A
Retailer 3
-
£3,097 GBP
View
B+
Retailer 4
-
£3,408 GBP
View
Retailer 5
-
£3,408 GBP
View
Price last confirmed 25 days ago
A
Retailer 6
-
£3,451 GBP
View
B+
Retailer 7
-
£4,258 GBP
View
B+
Retailer 8
-
£4,520 GBP
View
B+
Retailer 9
-
£5,278 GBP
View
Most Expensive
B
MOH London
LG499125630 · Nov 3
£7,300 GBP
View
9 more retailers have this diamond
Prices start from £2,938 GBPSave up to £4,362 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
3.00ct Princess
£2,938 GBP