Princess|Lab Grown|IGI

4.05ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG804665034

Shape and cutting style on the report: Princess cut

Certificate IGI LG804665034

Diamond specifications and retailer prices

From $6,346 USD
As of October 28, 2026
Save $23,423 USD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $29,769 USD at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 4.05ct lab-grown princess diamond

This 4.05ct 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 LG804665034 or 804665034. Listed at 11 retailers as of October 28, 2026, with prices from $6,346 to $29,769, a $23,423 spread on the same certified stone. Taylor and Hart lists it at $29,769. 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

4.05
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665034
Dimensions8.80 × 8.61 × 6.30 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
8.80 mm8.61 mm4.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665034
Side View
Table 68.0%Crown 43°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 73.2%

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 28
Current: $11,167 USD|Low: $6,346 USD|High: $39,330 USD|Avg: $16,771 USD|-6.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 29, 2026
Retailer 9$6,346 USD
Retailer 7$7,308 USD
Retailer 10$9,500 USD
Retailer 6$9,885 USD
Retailer 11$9,933 USD
Retailer 1$11,167 USD
Retailer 4$15,218 USD
Retailer 5$16,951 USD
Retailer 2$21,260 USD
Retailer 8$24,948 USD
Taylor and Hart$29,769 USD
Retailer 3$39,330 USD

34 data points across 12 retailers

11 retailers$6,346 USD to $29,769 USD

A
Cheapest Retailer
-
$6,346 USD
A
Retailer 2
-
$7,308 USD
View
A
Retailer 3
-
$9,500 USD
View
A
Retailer 4
-
$9,885 USD
View
A
Retailer 5
-
$9,933 USD
HK$77,600 HKD
View
A
Retailer 6
-
$11,167 USD
£8,793 GBP
View
B+
Retailer 7
-
$15,218 USD
€14,493 EUR
View
B+
Retailer 8
-
$16,951 USD
£13,347 GBP
View
B
Retailer 9
-
$21,260 USD
View
B
Retailer 10
-
$24,948 USD
View
Most Expensive
B
Taylor and Hart
WXPMHLU · Oct 28
$29,769 USD
View
10 more retailers have this diamond
Prices start from $6,346 USDSave up to $23,423 USD

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
4.05ct Princess
$6,346 USD