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Princess|Lab Grown|IGI

4.17ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG811635470

Shape and cutting style on the report: Princess cut

Certificate IGI LG811635470

Diamond specifications and retailer prices

From £4,446 GBP
$5,957 USD
As of October 30, 2026
Save £26,139 GBP (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £30,585 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.17ct lab-grown princess diamond

This 4.17ct 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 LG811635470 or 811635470. Listed at 13 retailers as of October 30, 2026, with prices from £4,446 to £30,585, a £26,139 spread on the same certified stone. Do Amore Diamonds lists it at £30,585. 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

4.17
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811635470
Dimensions8.75 × 8.70 × 6.14 mm
L/W Ratio1.01
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
8.75 mm8.70 mm4.17 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811635470
Side View
Table 66.0%Crown 37.6°Girdle: Slightly ThickPavilion 38°Culet: NoneDepth 70.6%

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: £30,585 GBP|Low: £4,446 GBP|High: £32,704 GBP|Avg: £9,723 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
October 31, 2026
Retailer 9£4,446 GBP
Retailer 7£4,627 GBP
Retailer 2£4,659 GBP
Retailer 10£4,670 GBP
Retailer 11£5,150 GBP
Retailer 6£6,239 GBP
Retailer 3£6,757 GBP
Retailer 4£7,396 GBP
Retailer 5£8,218 GBP
Retailer 12£9,990 GBP
Retailer 8£10,128 GBP
Retailer 13£11,441 GBP
Do Amore Diamonds£30,585 GBP

32 data points across 13 retailers

13 retailers£4,446 GBP to £30,585 GBP

A+
Cheapest Retailer
-
£4,446 GBP
$5,957 USD
A
Retailer 2
-
£4,627 GBP
$6,200 USD
View
A
Retailer 3
-
£4,659 GBP
$6,243 USD
View
A
Retailer 4
-
£4,670 GBP
$6,257 USD
View
A
Retailer 5
-
£5,150 GBP
$6,900 USD
View
A
Retailer 6
-
£6,239 GBP
$8,360 USD
View
A
Retailer 7
-
£6,757 GBP
$9,054 USD
View
A
Retailer 8
-
£7,396 GBP
$9,910 USD
View
B+
Retailer 9
-
£8,218 GBP
$11,011 USD
View
B+
Retailer 10
-
£9,990 GBP
€12,748 EUR
View
B+
Retailer 11
-
£10,128 GBP
$13,570 USD
View
B+
Retailer 12
-
£11,441 GBP
View
Most Expensive
B
Do Amore Diamonds
27-06A8FCD08 · Oct 30
£30,585 GBP
$40,980 USD
View
12 more retailers have this diamond
Prices start from £4,446 GBPSave up to £26,139 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+
4.17ct Princess
£4,446 GBP