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Princess|Lab Grown|IGI

4.05ct D FL Princess Lab Grown Diamond

EX • D/FL • IGI LG791609672

Shape and cutting style on the report: Princess cut

Certificate IGI LG791609672

Diamond specifications and retailer prices

From £4,390 GBP
$5,846 USD
As of October 30, 2026
Save £25,737 GBP (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £30,127 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.05ct lab-grown princess diamond

This 4.05ct 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 LG791609672 or 791609672. Listed at 23 retailers as of October 29, 2026, with prices from £4,390 to £30,127, a £25,737 spread on the same certified stone. Do Amore Diamonds lists it at £30,127. 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

4.05
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791609672
Dimensions8.58 × 8.55 × 6.23 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.58 mm8.55 mm4.05 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791609672
Side View
Table 67.0%Crown 43.1°Girdle: MediumPavilion 38.2°Culet: NoneDepth 72.9%

Caratlytics Score

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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: £30,127 GBP|Low: £4,390 GBP|High: £37,802 GBP|Avg: £13,002 GBP|-20.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 17£4,390 GBP
Retailer 14£5,021 GBP
Retailer 7£5,057 GBP
Retailer 8£5,406 GBP
Retailer 16£5,583 GBP
Retailer 15£6,546 GBP
Retailer 3£7,442 GBP
Retailer 2£7,604 GBP
Retailer 18£8,141 GBP
Retailer 10£8,846 GBP
Retailer 12£9,787 GBP
Retailer 13£12,201 GBP
Retailer 11£13,156 GBP
Retailer 4£15,412 GBP
Retailer 5£19,781 GBP
Retailer 6£21,047 GBP
Retailer 9£28,205 GBP
Do Amore Diamonds£30,127 GBP

38 data points across 18 retailers

23 retailers£4,390 GBP to £30,127 GBP

A
Cheapest Retailer
-
£4,390 GBP
$5,846 USD
A
Retailer 2
-
£4,828 GBP
$6,429 USD
View
A
Retailer 3
-
£5,021 GBP
$6,686 USD
View
A
Retailer 4
-
£5,057 GBP
$6,734 USD
View
A
Retailer 5
-
£5,406 GBP
$7,199 USD
View
Final sale: no returns
A
Retailer 6
-
£5,583 GBP
$7,435 USD
View
A
Retailer 7
-
£5,600 GBP
$7,457 USD
View
Retailer 8
-
£5,600 GBP
$7,457 USD
View
Price last confirmed 13 days ago
A
Retailer 9
-
£6,546 GBP
$8,717 USD
View
A
Retailer 10
-
£7,338 GBP
$9,772 USD
View
A
Retailer 11
-
£7,442 GBP
$9,910 USD
View
A
Retailer 12
-
£7,604 GBP
View
B+
Retailer 13
-
£8,141 GBP
$10,841 USD
View
B+
Retailer 14
-
£8,846 GBP
View
B+
Retailer 15
-
£9,787 GBP
€12,412 EUR
View
B+
Retailer 16
-
£12,201 GBP
View
B+
Retailer 17
-
£13,156 GBP
ZAR 283,041 ZAR
View
B+
Retailer 18
-
£15,412 GBP
$20,524 USD
View
B+
Retailer 19
-
£17,083 GBP
$22,750 USD
View
B
Retailer 20
-
£19,781 GBP
$26,342 USD
View
B
Retailer 21
-
£21,047 GBP
$28,027 USD
View
B
Retailer 22
-
£28,205 GBP
$37,560 USD
View
Most Expensive
B
Do Amore Diamonds
27-6FB0F9005 · Oct 29
£30,127 GBP
$40,120 USD
View
22 more retailers have this diamond
Prices start from £4,390 GBPSave up to £25,737 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
4.05ct Princess
£4,390 GBP