Princess|Lab Grown|IGI

4.00ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG811634661

Shape and cutting style on the report: Princess cut

Certificate IGI LG811634661

Diamond specifications and retailer prices

From $5,722 USD
As of October 30, 2026
Save $15,278 USD (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $21,000 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4ct lab-grown princess diamond

This 4ct 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 LG811634661 or 811634661. Listed at 13 retailers as of October 29, 2026, with prices from $5,722 to $21,000, a $15,278 spread on the same certified stone. Brilliant Earth lists it at $21,000. 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

4.00
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634661
Dimensions8.64 × 8.60 × 6.09 mm
L/W Ratio1.00
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
8.64 mm8.60 mm4.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634661
Side View
Table 58.0%Crown 42.5°Girdle: Slightly ThickPavilion 36.5°Culet: NoneDepth 70.8%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: $21,000 USD|Low: $5,722 USD|High: $42,790 USD|Avg: $13,246 USD|-3.0%
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
October 30, 2026
Retailer 2$5,722 USD
Retailer 13$6,145 USD
Retailer 5$6,192 USD
Retailer 6$6,690 USD
Retailer 3$8,293 USD
Retailer 10$8,697 USD
Retailer 11$9,610 USD
Retailer 12$10,579 USD
Retailer 7$12,839 USD
Retailer 8$14,724 USD
Retailer 9$14,733 USD
Brilliant Earth$21,000 USD
Retailer 4$40,650 USD

31 data points across 13 retailers

13 retailers$5,722 USD to $21,000 USD

A+
Cheapest Retailer
-
$5,722 USD
A
Retailer 2
-
$6,145 USD
View
A
Retailer 3
-
$6,192 USD
View
A
Retailer 4
-
$6,690 USD
View
A
Retailer 5
-
$8,293 USD
View
A
Retailer 6
-
$8,697 USD
View
A
Retailer 7
-
$9,610 USD
View
B+
Retailer 8
-
$10,579 USD
View
B+
Retailer 9
-
$12,839 USD
€12,228 EUR
View
B+
Retailer 10
-
$14,724 USD
£11,594 GBP
View
B+
Retailer 11
-
$14,733 USD
View
Most Expensive
B
Brilliant Earth
21014173Y · Oct 29
$21,000 USD
View
11 more retailers have this diamond
Prices start from $5,722 USDSave up to $15,278 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+
4.00ct Princess
$5,722 USD