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Princess|Lab Grown|IGI

4.05ct D FL Princess Lab Grown Diamond

EX • D/FL • IGI LG791609672

Shape and cutting style on the report: Princess cut

Certificate IGI LG791609672

Diamond specifications and retailer prices

From $5,846 USD
As of October 28, 2026
Save $34,274 USD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $40,120 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG791609672 or 791609672. Listed at 23 retailers as of October 28, 2026, with prices from $5,846 to $40,120, a $34,274 spread on the same certified stone. Do Amore Diamonds lists it at $40,120. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791609672
Dimensions8.58 × 8.55 × 6.23 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
8.58 mm8.55 mm4.05 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791609672
Side View
Table 67.0%Crown 43.1°Girdle: MediumPavilion 38.2°Culet: NoneDepth 72.9%

Caratlytics Score

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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: $40,120 USD|Low: $5,846 USD|High: $50,340 USD|Avg: $17,370 USD|-20.3%
Do Amore Diamonds
Retailer 2
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Retailer 18
October 29, 2026
Retailer 17$5,846 USD
Retailer 14$6,686 USD
Retailer 7$6,734 USD
Retailer 8$7,199 USD
Retailer 16$7,435 USD
Retailer 15$8,717 USD
Retailer 3$9,910 USD
Retailer 2$10,096 USD
Retailer 18$10,841 USD
Retailer 10$11,781 USD
Retailer 11$13,033 USD
Retailer 12$16,248 USD
Retailer 13$17,451 USD
Retailer 4$20,524 USD
Retailer 5$26,342 USD
Retailer 6$28,027 USD
Retailer 9$37,560 USD
Do Amore Diamonds$40,120 USD

37 data points across 18 retailers

23 retailers$5,846 USD to $40,120 USD

A
Cheapest Retailer
-
$5,846 USD
A
Retailer 2
-
$6,429 USD
View
A
Retailer 3
-
$6,686 USD
View
A
Retailer 4
-
$6,734 USD
View
A
Retailer 5
-
$7,199 USD
View
Final sale: no returns
A
Retailer 6
-
$7,435 USD
View
A
Retailer 7
-
$7,457 USD
View
A
Retailer 8
-
$7,457 USD
View
Price last confirmed 13 days ago
A
Retailer 9
-
$8,717 USD
View
A
Retailer 10
-
$9,772 USD
View
A
Retailer 11
-
$9,910 USD
View
A
Retailer 12
-
$10,096 USD
£7,949 GBP
View
B+
Retailer 13
-
$10,841 USD
View
B+
Retailer 14
-
$11,781 USD
£9,276 GBP
View
B+
Retailer 15
-
$13,033 USD
€12,412 EUR
View
B+
Retailer 16
-
$16,248 USD
£12,794 GBP
View
B+
Retailer 17
-
$17,451 USD
ZAR 281,930 ZAR
View
B+
Retailer 18
-
$20,524 USD
View
B+
Retailer 19
-
$22,750 USD
View
B
Retailer 20
-
$26,342 USD
View
B
Retailer 21
-
$28,027 USD
View
B
Retailer 22
-
$37,560 USD
View
Most Expensive
B
Do Amore Diamonds
27-6FB0F9005 · Oct 29
$40,120 USD
View
22 more retailers have this diamond
Prices start from $5,846 USDSave up to $34,274 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
$5,846 USD