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Princess|Lab Grown|IGI

4.09ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG754508404

Shape and cutting style on the report: Princess cut

Certificate IGI LG754508404

Diamond specifications and retailer prices

From $6,409 USD
As of October 28, 2026
Save $23,538 USD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $29,947 USD at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 4.09ct lab-grown princess diamond

This 4.09ct 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 LG754508404 or 754508404. Listed at 13 retailers as of October 28, 2026, with prices from $6,409 to $29,947, a $23,538 spread on the same certified stone. Taylor and Hart lists it at $29,947. 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

4.09
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508404
Dimensions8.74 × 8.72 × 6.33 mm
L/W Ratio1.00
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
8.74 mm8.72 mm4.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508404
Side View
Table 68.0%Crown 42°Girdle: MediumPavilion 39.5°Culet: NoneDepth 72.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $16,639 USD|Low: $6,409 USD|High: $29,947 USD|Avg: $14,456 USD|-20.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
October 29, 2026
Retailer 12$6,409 USD
Retailer 5$6,806 USD
Retailer 10$7,376 USD
Retailer 13$9,593 USD
Retailer 9$9,950 USD
Retailer 2$10,035 USD
Retailer 6$11,277 USD
Retailer 3$15,196 USD
Retailer 7$15,368 USD
Retailer 1$16,639 USD
Retailer 8$17,115 USD
Retailer 4$21,470 USD
Retailer 11$25,194 USD
Taylor and Hart$29,947 USD

35 data points across 14 retailers

13 retailers$6,409 USD to $29,947 USD

A
Cheapest Retailer
-
$6,409 USD
A
Retailer 2
-
$7,376 USD
View
A
Retailer 3
-
$9,593 USD
View
A
Retailer 4
-
$9,950 USD
View
A
Retailer 5
-
$10,035 USD
HK$78,400 HKD
View
A
Retailer 6
-
$11,277 USD
£8,879 GBP
View
B+
Retailer 7
-
$15,196 USD
View
B+
Retailer 8
-
$15,368 USD
€14,636 EUR
View
B+
Retailer 9
-
$16,639 USD
ZAR 268,805 ZAR
View
B+
Retailer 10
-
$17,115 USD
£13,476 GBP
View
B
Retailer 11
-
$21,470 USD
View
B
Retailer 12
-
$25,194 USD
View
Most Expensive
B
Taylor and Hart
ULKMLX8 · Oct 28
$29,947 USD
View
12 more retailers have this diamond
Prices start from $6,409 USDSave up to $23,538 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
4.09ct Princess
$6,409 USD