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Princess|Lab Grown|IGI

4.06ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG816630868

Shape and cutting style on the report: Princess cut

Certificate IGI LG816630868

Diamond specifications and retailer prices

From £4,401 GBP
$5,861 USD
As of October 30, 2026
Save £25,794 GBP (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £30,195 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.06ct lab-grown princess diamond

This 4.06ct 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 LG816630868 or 816630868. Listed at 21 retailers as of October 29, 2026, with prices from £4,401 to £30,195, a £25,794 spread on the same certified stone. Do Amore Diamonds lists it at £30,195. 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

4.06
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816630868
Dimensions8.63 × 8.60 × 6.06 mm
L/W Ratio1.00
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
8.63 mm8.60 mm4.06 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816630868
Side View
Table 67.0%Crown 40.5°Girdle: Slightly ThickPavilion 37.3°Culet: NoneDepth 70.5%

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: £30,195 GBP|Low: £4,401 GBP|High: £37,892 GBP|Avg: £13,210 GBP|-20.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 12
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Retailer 19
October 30, 2026
Retailer 19£4,401 GBP
Retailer 16£5,033 GBP
Retailer 8£5,419 GBP
Retailer 18£5,594 GBP
Retailer 6£5,613 GBP
Retailer 17£6,562 GBP
Retailer 11£7,355 GBP
Retailer 4£7,453 GBP
Retailer 12£7,623 GBP
Retailer 3£8,161 GBP
Retailer 10£8,869 GBP
Retailer 14£9,811 GBP
Retailer 15£12,231 GBP
Retailer 13£13,188 GBP
Retailer 5£15,449 GBP
Retailer 2£17,125 GBP
Retailer 7£21,058 GBP
Retailer 9£28,344 GBP
Do Amore Diamonds£30,195 GBP

32 data points across 19 retailers

21 retailers£4,401 GBP to £30,195 GBP

A
Cheapest Retailer
-
£4,401 GBP
$5,861 USD
A
Retailer 2
-
£4,839 GBP
$6,444 USD
View
A
Retailer 3
-
£5,033 GBP
$6,702 USD
View
A
Retailer 4
-
£5,419 GBP
$7,217 USD
View
Final sale: no returns
A
Retailer 5
-
£5,594 GBP
$7,450 USD
View
A
Retailer 6
-
£5,613 GBP
$7,475 USD
View
Retailer 7
-
£5,613 GBP
$7,475 USD
View
Price last confirmed 13 days ago
A
Retailer 8
-
£6,562 GBP
$8,738 USD
View
A
Retailer 9
-
£7,355 GBP
$9,795 USD
View
A
Retailer 10
-
£7,453 GBP
$9,925 USD
View
A
Retailer 11
-
£7,623 GBP
View
B+
Retailer 12
-
£8,161 GBP
$10,868 USD
View
B+
Retailer 13
-
£8,869 GBP
View
B+
Retailer 14
-
£9,811 GBP
€12,443 EUR
View
B+
Retailer 15
-
£12,231 GBP
View
B+
Retailer 16
-
£13,188 GBP
ZAR 283,719 ZAR
View
B+
Retailer 17
-
£15,449 GBP
$20,574 USD
View
B+
Retailer 18
-
£17,125 GBP
$22,805 USD
View
B
Retailer 19
-
£21,058 GBP
$28,042 USD
View
B
Retailer 20
-
£28,344 GBP
$37,745 USD
View
Most Expensive
B
Do Amore Diamonds
27-DBE321A30 · Oct 29
£30,195 GBP
$40,210 USD
View
20 more retailers have this diamond
Prices start from £4,401 GBPSave up to £25,794 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
4.06ct Princess
£4,401 GBP