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Princess|Lab Grown|IGI

4.25ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG786686138

Shape and cutting style on the report: Princess cut

Certificate IGI LG786686138

Diamond specifications and retailer prices

From €7,032 EUR
$7,856 USD
As of October 30, 2026
Save €15,682 EUR (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €22,714 EUR at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 4.25ct lab-grown princess diamond

This 4.25ct lab-grown princess sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG786686138 or 786686138. Listed at 13 retailers as of October 30, 2026, with prices from €7,032 to €22,714, a €15,682 spread on the same certified stone. Frank Darling lists it at €22,714. 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

4.25
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786686138
Dimensions8.87 × 8.77 × 6.29 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
8.87 mm8.77 mm4.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786686138
Side View
Table 68.0%Crown 38.9°Girdle: MediumPavilion 39.1°Culet: NoneDepth 71.7%

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 30
Current: €22,714 EUR|Low: €7,032 EUR|High: €44,826 EUR|Avg: €17,137 EUR|-12.8%
Frank Darling
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 14€7,032 EUR
Retailer 9€7,313 EUR
Retailer 7€7,522 EUR
Retailer 13€8,096 EUR
Retailer 11€9,074 EUR
Retailer 4€9,443 EUR
Retailer 3€10,126 EUR
Retailer 2€13,802 EUR
Retailer 5€16,451 EUR
Retailer 8€16,481 EUR
Retailer 10€19,789 EUR
Frank Darling€22,714 EUR
Retailer 6€34,218 EUR
Retailer 12€43,877 EUR

29 data points across 14 retailers

13 retailers€7,032 EUR to €22,714 EUR

A
Cheapest Retailer
-
€7,032 EUR
$7,856 USD
A
Retailer 2
-
€7,313 EUR
$8,170 USD
View
A
Retailer 3
-
€7,522 EUR
£6,617 GBP
View
A
Retailer 4
-
€7,608 EUR
$8,500 USD
View
A
Retailer 5
-
€8,096 EUR
$9,045 USD
View
A
Retailer 6
-
€9,074 EUR
$10,137 USD
View
A
Retailer 7
-
€9,443 EUR
$10,550 USD
View
A
Retailer 8
-
€10,126 EUR
$11,313 USD
View
B+
Retailer 9
-
€13,802 EUR
$15,420 USD
View
B+
Retailer 10
-
€16,481 EUR
£14,498 GBP
View
Retailer 11
-
€19,789 EUR
A$34,013 AUD
View
Price last confirmed 9 days ago
Most Expensive
B
Frank Darling
LGPR40-58558UD · Oct 31
€22,714 EUR
$25,376 USD
View
11 more retailers have this diamond
Prices start from €7,032 EURSave up to €15,682 EUR

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
4.25ct Princess
€7,032 EUR