Princess|Lab Grown|IGI

5.09ct I SI1 Princess Lab Grown Diamond

VG • I/SI1 • IGI LG625498207

Shape and cutting style on the report: Princess cut

Certificate IGI LG625498207

Diamond specifications and retailer prices

From £616 GBP
$825 USD
As of October 31, 2026
Save £1,857 GBP (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,473 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 5.09ct lab-grown princess diamond

This 5.09ct lab-grown princess sits in the over five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG625498207 or 625498207. Listed at 9 retailers as of October 29, 2026, with prices from £616 to £2,473, a £1,857 spread on the same certified stone. MOH London lists it at £2,473. 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

5.09
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625498207
Dimensions9.70 × 9.21 × 6.03 mm
L/W Ratio1.05
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
9.70 mm9.21 mm5.09 ctI / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625498207
Side View
Table 65.0%Crown 45.3°Girdle: MediumPavilion 31.8°Culet: NoneDepth 65.5%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: £2,473 GBP|Low: £594 GBP|High: £2,886 GBP|Avg: £1,368 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 13£594 GBP
Retailer 6£616 GBP
Retailer 9£656 GBP
Retailer 7£761 GBP
Retailer 5£883 GBP
Retailer 11£1,061 GBP
Retailer 2£1,064 GBP
Retailer 10£1,152 GBP
Retailer 3£1,315 GBP
Retailer 8£1,561 GBP
Retailer 12£2,264 GBP
MOH London£2,473 GBP
Retailer 4£2,886 GBP

12 data points across 13 retailers

9 retailers£616 GBP to £2,473 GBP

A
Cheapest Retailer
-
£616 GBP
$825 USD
Retailer 2
-
£656 GBP
$879 USD
View
Price last confirmed 19 days ago
Retailer 3
-
£761 GBP
View
Price last confirmed 14 days ago
B+
Retailer 4
-
£1,061 GBP
$1,422 USD
View
B+
Retailer 5
-
£1,064 GBP
$1,425 USD
View
B+
Retailer 6
-
£1,152 GBP
$1,543 USD
View
B+
Retailer 7
-
£1,561 GBP
$2,091 USD
View
B
Retailer 8
-
£2,264 GBP
$3,034 USD
View
Most Expensive
B
MOH London
LG625498207 · Oct 29
£2,473 GBP
View
8 more retailers have this diamond
Prices start from £616 GBPSave up to £1,857 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
5.09ct Princess
£616 GBP