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Princess|Lab Grown|IGI

4.28ct D FL Princess Lab Grown Diamond

EX • D/FL • IGI LG813651576

Shape and cutting style on the report: Princess cut

Certificate IGI LG813651576

Diamond specifications and retailer prices

From €6,702 EUR
$7,487 USD
As of October 30, 2026
Save €19,212 EUR (74%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €25,914 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.28ct lab-grown princess diamond

This 4.28ct 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 LG813651576 or 813651576. Listed at 19 retailers as of October 30, 2026, with prices from €6,702 to €25,914, a €19,212 spread on the same certified stone. Taylor and Hart lists it at €25,914. 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

4.28
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813651576
Dimensions8.95 × 8.70 × 6.29 mm
L/W Ratio1.03
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
8.95 mm8.70 mm4.28 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813651576
Side View
Table 69.0%Crown 38.5°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 72.3%

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: €15,263 EUR|Low: €6,702 EUR|High: €30,555 EUR|Avg: €12,399 EUR|-12.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Taylor and Hart
November 1, 2026
Retailer 8€6,702 EUR
Retailer 5€6,960 EUR
Retailer 13€6,970 EUR
Retailer 15€7,145 EUR
Retailer 6€7,505 EUR
Retailer 12€7,725 EUR
Retailer 3€7,774 EUR
Retailer 9€8,742 EUR
Retailer 14€8,789 EUR
Retailer 16€9,003 EUR
Retailer 17€9,425 EUR
Retailer 10€9,497 EUR
Retailer 7€11,131 EUR
Retailer 11€12,327 EUR
Retailer 4€14,215 EUR
Retailer 1€15,263 EUR
Retailer 2€21,643 EUR
Taylor and Hart€25,914 EUR

39 data points across 18 retailers

19 retailers€6,702 EUR to €25,914 EUR

A
Cheapest Retailer
-
€6,702 EUR
$7,487 USD
A
Retailer 2
-
€6,960 EUR
$7,776 USD
View
A
Retailer 3
-
€6,970 EUR
$7,787 USD
View
A
Retailer 4
-
€7,145 EUR
$7,982 USD
View
A
Retailer 5
-
€7,505 EUR
$8,385 USD
View
Final sale: no returns
A
Retailer 6
-
€7,725 EUR
$8,630 USD
View
A
Retailer 7
-
€7,774 EUR
$8,685 USD
View
Retailer 8
-
€7,774 EUR
$8,685 USD
View
Price last confirmed 16 days ago
A
Retailer 9
-
€8,742 EUR
$9,767 USD
View
A
Retailer 10
-
€8,789 EUR
$9,819 USD
View
A
Retailer 11
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€9,003 EUR
$10,058 USD
View
A
Retailer 12
-
€9,425 EUR
$10,530 USD
View
A
Retailer 13
-
€9,497 EUR
£8,355 GBP
View
B+
Retailer 14
-
€11,131 EUR
£9,792 GBP
View
B+
Retailer 15
-
€12,327 EUR
View
B+
Retailer 16
-
€14,215 EUR
$15,881 USD
View
B+
Retailer 17
-
€15,263 EUR
£13,427 GBP
View
B
Retailer 18
-
€21,643 EUR
$24,180 USD
View
Most Expensive
B
Taylor and Hart
UNPJEEV · Oct 31
€25,914 EUR
$28,951 USD
View
18 more retailers have this diamond
Prices start from €6,702 EURSave up to €19,212 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
4.28ct Princess
€6,702 EUR