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Princess|Lab Grown|IGI

4.09ct D FL Princess Lab Grown Diamond

EX • D/FL • IGI LG790611920

Shape and cutting style on the report: Princess cut

Certificate IGI LG790611920

Diamond specifications and retailer prices

From $6,383 USD
As of October 28, 2026
Save $25,886 USD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $32,269 USD at Michael Trio · As of October 29, 2026
View at Michael Trio

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 LG790611920 or 790611920. Listed at 21 retailers as of October 28, 2026, with prices from $6,383 to $32,269, a $25,886 spread on the same certified stone. Michael Trio lists it at $32,269. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611920
Dimensions8.89 × 8.78 × 6.04 mm
L/W Ratio1.01
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
8.89 mm8.78 mm4.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611920
Side View
Table 67.0%Crown 41.8°Girdle: ThinPavilion 37.7°Culet: NoneDepth 68.8%

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: $32,269 USD|Low: $5,705 USD|High: $44,510 USD|Avg: $15,377 USD
Michael Trio
Retailer 2
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Retailer 21
October 29, 2026
Retailer 6$6,383 USD
Retailer 19$7,134 USD
Retailer 5$7,348 USD
Retailer 7$7,988 USD
Retailer 18$8,230 USD
Retailer 4$8,275 USD
Retailer 20$8,275 USD
Retailer 17$9,356 USD
Retailer 10$9,472 USD
Retailer 21$9,587 USD
Retailer 16$10,272 USD
Retailer 2$11,231 USD
Retailer 11$13,091 USD
Retailer 12$14,744 USD
Retailer 13$17,047 USD
Retailer 15$19,365 USD
Retailer 3$21,191 USD
Retailer 9$22,774 USD
Retailer 14$29,874 USD
Michael Trio$32,269 USD
Retailer 8$44,510 USD

34 data points across 21 retailers

21 retailers$6,383 USD to $32,269 USD

A
Cheapest Retailer
-
$6,383 USD
A
Retailer 2
-
$7,134 USD
View
A
Retailer 3
-
$7,348 USD
View
A
Retailer 4
-
$7,419 USD
View
A
Retailer 5
-
$7,988 USD
View
Final sale: no returns
A
Retailer 6
-
$8,230 USD
View
A
Retailer 7
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$8,275 USD
View
Price last confirmed 13 days ago
A
Retailer 8
-
$8,275 USD
View
A
Retailer 9
-
$9,356 USD
View
A
Retailer 10
-
$9,472 USD
HK$74,000 HKD
View
A
Retailer 11
-
$9,587 USD
View
A
Retailer 12
-
$10,272 USD
View
A
Retailer 13
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$11,231 USD
£8,844 GBP
View
B+
Retailer 14
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$13,091 USD
£10,308 GBP
View
B+
Retailer 15
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$17,047 USD
£13,423 GBP
View
B+
Retailer 16
-
$19,365 USD
ZAR 312,851 ZAR
View
B
Retailer 17
-
$21,191 USD
View
B
Retailer 18
-
$22,774 USD
View
B
Retailer 19
-
$29,874 USD
View
Most Expensive
B
Michael Trio
2019427377 · Oct 29
$32,269 USD
SGD 43,607 SGD
View
19 more retailers have this diamond
Prices start from $6,383 USDSave up to $25,886 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
$6,383 USD