CaratHunter
Plans
Princess|Lab Grown|IGI

4.15ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG800684594

Shape and cutting style on the report: Princess cut

Certificate IGI LG800684594

Diamond specifications and retailer prices

From £4,425 GBP
$5,929 USD
As of October 30, 2026
Save £26,018 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £30,443 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.15ct lab-grown princess diamond

This 4.15ct 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 LG800684594 or 800684594. Listed at 15 retailers as of October 30, 2026, with prices from £4,425 to £30,443, a £26,018 spread on the same certified stone. Do Amore Diamonds lists it at £30,443. 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

4.15
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800684594
Dimensions8.80 × 8.56 × 6.26 mm
L/W Ratio1.03
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
8.80 mm8.56 mm4.15 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800684594
Side View
Table 67.0%Crown 43°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 73.1%

Caratlytics Score

How it works →
A+
Exceptional
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: £30,443 GBP|Low: £4,425 GBP|High: £32,547 GBP|Avg: £9,835 GBP|-6.5%
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
October 31, 2026
Retailer 10£4,425 GBP
Retailer 8£4,606 GBP
Retailer 11£4,647 GBP
Retailer 6£4,789 GBP
Retailer 12£5,127 GBP
Retailer 7£6,145 GBP
Retailer 2£6,211 GBP
Retailer 3£6,726 GBP
Retailer 4£7,374 GBP
Retailer 5£8,181 GBP
Retailer 13£9,942 GBP
Retailer 9£10,083 GBP
Retailer 14£11,388 GBP
Retailer 15£14,238 GBP
Do Amore Diamonds£30,443 GBP

34 data points across 15 retailers

15 retailers£4,425 GBP to £30,443 GBP

A+
Cheapest Retailer
-
£4,425 GBP
$5,929 USD
A
Retailer 2
-
£4,606 GBP
$6,171 USD
View
A
Retailer 3
-
£4,647 GBP
$6,227 USD
View
A
Retailer 4
-
£4,789 GBP
$6,417 USD
View
A
Retailer 5
-
£5,127 GBP
$6,870 USD
View
A
Retailer 6
-
£6,145 GBP
$8,234 USD
View
Final sale: no returns
A
Retailer 7
-
£6,211 GBP
$8,322 USD
View
A
Retailer 8
-
£6,726 GBP
$9,012 USD
View
A
Retailer 9
-
£7,374 GBP
$9,880 USD
View
B+
Retailer 10
-
£8,181 GBP
$10,962 USD
View
B+
Retailer 11
-
£9,942 GBP
€12,687 EUR
View
B+
Retailer 12
-
£10,083 GBP
$13,510 USD
View
B+
Retailer 13
-
£11,388 GBP
View
B+
Retailer 14
-
£14,238 GBP
$19,077 USD
View
Most Expensive
B
Do Amore Diamonds
27-91B7B56E2 · Oct 30
£30,443 GBP
$40,790 USD
View
14 more retailers have this diamond
Prices start from £4,425 GBPSave up to £26,018 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+
4.15ct Princess
£4,425 GBP