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Princess|Lab Grown|IGI

4.05ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG816608303

Shape and cutting style on the report: Princess cut

Certificate IGI LG816608303

Diamond specifications and retailer prices

From $7,665 SGD
$5,980 USD
As of October 27, 2026
Save $19,584 SGD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $27,249 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG816608303 or 816608303. Listed at 13 retailers as of October 27, 2026, with prices from $7,665 to $27,249, a $19,584 spread on the same certified stone. Brilliant Earth lists it at $27,249. 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
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816608303
Dimensions8.71 × 8.58 × 6.31 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
8.71 mm8.58 mm4.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816608303
Side View
Table 64.0%Crown 42.8°Girdle: Slightly ThickPavilion 37.8°Culet: NoneDepth 73.5%

Caratlytics Score

How it works →
A+
Exceptional
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 27
Current: $27,249 SGD|Low: $7,665 SGD|High: $54,588 SGD|Avg: $18,963 SGD|-17.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 12$7,665 SGD
Retailer 4$8,032 SGD
Retailer 5$8,043 SGD
Retailer 2$8,607 SGD
Retailer 9$8,869 SGD
Retailer 14$10,757 SGD
Retailer 10$11,282 SGD
Retailer 11$12,407 SGD
Retailer 13$13,722 SGD
Retailer 7$16,662 SGD
Retailer 8$19,100 SGD
Brilliant Earth$27,249 SGD
Retailer 6$28,759 SGD
Retailer 3$52,729 SGD

29 data points across 14 retailers

13 retailers$7,665 SGD to $27,249 SGD

A+
Cheapest Retailer
-
$7,665 SGD
$5,980 USD
A
Retailer 2
-
$8,032 SGD
$6,267 USD
View
A
Retailer 3
-
$8,043 SGD
$6,275 USD
View
A
Retailer 4
-
$8,607 SGD
$6,715 USD
View
A
Retailer 5
-
$8,869 SGD
$6,920 USD
View
A
Retailer 6
-
$10,757 SGD
$8,393 USD
View
A
Retailer 7
-
$11,282 SGD
$8,802 USD
View
A
Retailer 8
-
$12,407 SGD
$9,680 USD
View
B+
Retailer 9
-
$13,722 SGD
$10,706 USD
View
B+
Retailer 10
-
$16,662 SGD
€12,381 EUR
View
B+
Retailer 11
-
$19,100 SGD
£11,734 GBP
View
Most Expensive
B
Brilliant Earth
21060532Y · Oct 29
$27,249 SGD
$21,260 USD
View
11 more retailers have this diamond
Prices start from $7,665 SGDSave up to $19,584 SGD

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
$7,665 SGD