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Princess|Lab Grown|IGI

4.12ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG800677771

Shape and cutting style on the report: Princess cut

Certificate IGI LG800677771

Diamond specifications and retailer prices

From £4,394 GBP
$5,888 USD
As of October 30, 2026
Save £25,839 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £30,234 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.12ct lab-grown princess diamond

This 4.12ct 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 LG800677771 or 800677771. Listed at 15 retailers as of October 30, 2026, with prices from £4,394 to £30,234, a £25,839 spread on the same certified stone. Do Amore Diamonds lists it at £30,234. 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

4.12
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677771
Dimensions8.77 × 8.58 × 6.21 mm
L/W Ratio1.02
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
8.77 mm8.58 mm4.12 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677771
Side View
Table 65.0%Crown 40.3°Girdle: Slightly ThickPavilion 37.6°Culet: NoneDepth 72.4%

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: £30,234 GBP|Low: £4,394 GBP|High: £32,324 GBP|Avg: £9,768 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£4,394 GBP
Retailer 8£4,574 GBP
Retailer 11£4,614 GBP
Retailer 6£4,756 GBP
Retailer 12£5,094 GBP
Retailer 7£6,102 GBP
Retailer 2£6,167 GBP
Retailer 3£6,679 GBP
Retailer 4£7,344 GBP
Retailer 5£8,123 GBP
Retailer 13£9,870 GBP
Retailer 9£10,008 GBP
Retailer 14£11,309 GBP
Retailer 15£14,136 GBP
Do Amore Diamonds£30,234 GBP

34 data points across 15 retailers

15 retailers£4,394 GBP to £30,234 GBP

A+
Cheapest Retailer
-
£4,394 GBP
$5,888 USD
A
Retailer 2
-
£4,574 GBP
$6,129 USD
View
A
Retailer 3
-
£4,614 GBP
$6,182 USD
View
A
Retailer 4
-
£4,756 GBP
$6,372 USD
View
A
Retailer 5
-
£5,094 GBP
$6,825 USD
View
A
Retailer 6
-
£6,102 GBP
$8,176 USD
View
Final sale: no returns
A
Retailer 7
-
£6,167 GBP
$8,263 USD
View
A
Retailer 8
-
£6,679 GBP
$8,949 USD
View
A
Retailer 9
-
£7,344 GBP
$9,840 USD
View
B+
Retailer 10
-
£8,123 GBP
$10,884 USD
View
B+
Retailer 11
-
£9,870 GBP
€12,595 EUR
View
B+
Retailer 12
-
£10,008 GBP
$13,410 USD
View
B+
Retailer 13
-
£11,309 GBP
View
B+
Retailer 14
-
£14,136 GBP
$18,941 USD
View
Most Expensive
B
Do Amore Diamonds
27-123A2B3D0 · Oct 30
£30,234 GBP
$40,510 USD
View
14 more retailers have this diamond
Prices start from £4,394 GBPSave up to £25,839 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+
4.12ct Princess
£4,394 GBP