CaratHunter
Plans
Princess|Lab Grown|IGI

4.00ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG846662196

Certificate IGI LG846662196

Diamond specifications and retailer prices

From £3,623 GBP
As of October 30, 2026
Save £6,095 GBP (63%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £9,717 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4ct lab-grown princess diamond

This 4ct lab-grown princess sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846662196 or 846662196. Listed at 3 retailers as of October 30, 2026, with prices from £3,623 to £9,717, a £6,095 spread on the same certified stone. Brilliant Earth lists it at £9,717. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.00
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662196
Dimensions8.60 × 8.48 × 6.23 mm
L/W Ratio1.01
Top View
8.60 mm8.48 mm4.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662196
Side View
Table 64.0%CrownGirdlePavilionCuletDepth 73.5%

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 30
Current: £9,717 GBP|Low: £3,623 GBP|High: £36,210 GBP|Avg: £17,900 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 2£3,623 GBP
Retailer 3£3,738 GBP
Brilliant Earth£9,717 GBP
Retailer 4£36,210 GBP

2 data points across 4 retailers

3 retailers£3,623 GBP to £9,717 GBP

A
Cheapest Retailer
-
£3,623 GBP
A
Retailer 2
-
£3,738 GBP
$5,009 USD
View
Most Expensive
B
Brilliant Earth
22365388A · Oct 30
£9,717 GBP
$13,020 USD
View
2 more retailers have this diamond
Prices start from £3,623 GBPSave up to £6,095 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
4.00ct Princess
£3,623 GBP