Princess|Lab Grown|IGI

4.09ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG766686405

Shape and cutting style on the report: Princess cut

Certificate IGI LG766686405

Diamond specifications and retailer prices

From $1,860 USD
CA$2,583 CAD
As of October 30, 2026
Save $823 USD (31%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,688 USD at Novita Diamonds · As of July 4, 2026
View at Novita Diamonds

About this 4.09ct lab-grown princess diamond

This 4.09ct lab-grown princess sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG766686405 or 766686405. Listed at 3 retailers as of October 30, 2026, with a 44% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766686405
Dimensions8.96 × 8.84 mm
L/W Ratio1.01
Culet sizePointed
Top View
8.96 mm8.84 mm4.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766686405
Side View
Table 69.0%Crown 38.6°Girdle: MediumPavilion 37.7°Culet: NoneDepth 67.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,688 USD|Low: $720 USD|High: $4,846 USD|Avg: $2,063 USD|+12.6%
Novita Diamonds
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
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Retailer 15
August 3, 2026
Retailer 13$720 USD
Retailer 7$954 USD
Retailer 10$1,064 USD
Retailer 15$1,119 USD
Retailer 4$1,294 USD
Retailer 3$1,449 USD
Retailer 8$1,558 USD
Retailer 11$1,860 USD
Retailer 14$2,190 USD
Retailer 5$2,435 USD
Retailer 2$2,683 USD
Novita Diamonds$2,688 USD
Retailer 6$3,797 USD
Retailer 12$4,130 USD
Retailer 9$4,406 USD

57 data points across 15 retailers

3 retailers$1,860 USD to $2,683 USD

B+
Cheapest Retailer
-
$1,860 USD
CA$2,583 CAD
B
Retailer 2
-
$2,683 USD
View
Most Expensive
Novita Diamonds
cert_766686405 · Jul 4
$2,688 USD
A$4,136 AUD
View
Price last confirmed 121 days ago
2 more retailers have this diamond
Prices start from $1,860 USDSave up to $823 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.

B+
4.09ct Princess
$1,860 USD