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Princess|Lab Grown|IGI

4.00ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG780662873

Shape and cutting style on the report: Princess cut

Certificate IGI LG780662873

Diamond specifications and retailer prices

From €4,854 EUR
$5,423 USD
As of October 31, 2026
Save €18,704 EUR (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €23,559 EUR at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4ct lab-grown princess diamond

This 4ct 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 LG780662873 or 780662873. Listed at 13 retailers as of October 30, 2026, with prices from €4,854 to €23,559, a €18,704 spread on the same certified stone. Taylor and Hart lists it at €23,559. 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

4.00
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662873
Dimensions8.79 × 8.58 × 6.35 mm
L/W Ratio1.02
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
8.79 mm8.58 mm4.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662873
Side View
Table 60.0%Crown 38.4°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 74.0%

Caratlytics Score

How it works →
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 31
Current: €8,532 EUR|Low: €4,854 EUR|High: €26,446 EUR|Avg: €13,349 EUR|-19.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 31, 2026
Retailer 5€4,854 EUR
Retailer 6€5,640 EUR
Retailer 4€8,399 EUR
Retailer 1€8,532 EUR
Retailer 2€8,781 EUR
Retailer 9€8,799 EUR
Retailer 8€11,654 EUR
Retailer 7€11,776 EUR
Retailer 11€13,452 EUR
Retailer 10€14,576 EUR
Retailer 12€14,991 EUR
Retailer 3€22,055 EUR
Taylor and Hart€23,559 EUR

36 data points across 13 retailers

13 retailers€4,854 EUR to €23,559 EUR

A
Cheapest Retailer
-
€4,854 EUR
$5,423 USD
A
Retailer 2
-
€5,640 EUR
$6,301 USD
View
A
Retailer 3
-
€8,399 EUR
$9,383 USD
View
A
Retailer 4
-
€8,532 EUR
£7,506 GBP
View
A
Retailer 5
-
€8,781 EUR
$9,810 USD
View
A
Retailer 6
-
€8,799 EUR
HK$76,800 HKD
View
B+
Retailer 7
-
€11,654 EUR
$13,020 USD
View
B+
Retailer 8
-
€11,776 EUR
$13,156 USD
View
B+
Retailer 9
-
€13,452 EUR
View
B+
Retailer 10
-
€14,576 EUR
ZAR 263,073 ZAR
View
B+
Retailer 11
-
€14,991 EUR
£13,187 GBP
View
B
Retailer 12
-
€22,055 EUR
$24,640 USD
View
Most Expensive
B
Taylor and Hart
RA4U6E2 · Oct 30
€23,559 EUR
$26,320 USD
View
12 more retailers have this diamond
Prices start from €4,854 EURSave up to €18,704 EUR

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
4.00ct Princess
€4,854 EUR