Princess|Lab Grown|IGI

4.26ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG787621664

Shape and cutting style on the report: Princess cut

Certificate IGI LG787621664

Diamond specifications and retailer prices

From $5,774 USD
As of October 31, 2026
Save $21,962 USD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $27,736 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.26ct lab-grown princess diamond

This 4.26ct 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 LG787621664 or 787621664. Listed at 13 retailers as of October 31, 2026, with prices from $5,774 to $27,736, a $21,962 spread on the same certified stone. Taylor and Hart lists it at $27,736. 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

4.26
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787621664
Dimensions8.81 × 8.75 × 6.41 mm
L/W Ratio1.01
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
8.81 mm8.75 mm4.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787621664
Side View
Table 68.0%Crown 44°Girdle: MediumPavilion 39.1°Culet: NoneDepth 73.3%

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 31
Current: $15,968 USD|Low: $5,774 USD|High: $30,705 USD|Avg: $16,010 USD|-13.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
November 1, 2026
Retailer 7$5,774 USD
Retailer 8$6,592 USD
Retailer 5$8,498 USD
Retailer 11$8,896 USD
Retailer 3$10,110 USD
Retailer 6$10,149 USD
Retailer 10$13,650 USD
Retailer 9$13,880 USD
Retailer 1$15,968 USD
Retailer 2$16,006 USD
Retailer 12$17,309 USD
Retailer 4$26,242 USD
Taylor and Hart$27,736 USD

37 data points across 13 retailers

13 retailers$5,774 USD to $27,736 USD

A+
Cheapest Retailer
-
$5,774 USD
A
Retailer 2
-
$6,592 USD
View
A
Retailer 3
-
$8,498 USD
View
A
Retailer 4
-
$8,896 USD
HK$69,500 HKD
View
A
Retailer 5
-
$10,110 USD
View
A
Retailer 6
-
$10,149 USD
£7,991 GBP
View
B+
Retailer 7
-
$13,650 USD
View
B+
Retailer 8
-
$13,880 USD
View
B+
Retailer 9
-
$15,968 USD
£12,573 GBP
View
B+
Retailer 10
-
$16,006 USD
€15,244 EUR
View
B+
Retailer 11
-
$17,309 USD
ZAR 279,630 ZAR
View
B
Retailer 12
-
$26,242 USD
View
Most Expensive
B
Taylor and Hart
QCPVSII · Oct 31
$27,736 USD
View
12 more retailers have this diamond
Prices start from $5,774 USDSave up to $21,962 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+
4.26ct Princess
$5,774 USD