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Princess|Lab Grown|IGI

4.51ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG644418473

Shape and cutting style on the report: Princess cut

Certificate IGI LG644418473

Diamond specifications and retailer prices

From €851 EUR
$951 USD
As of November 2, 2026
Save €6,739 EUR (89%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €7,590 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.51ct lab-grown princess diamond

This 4.51ct 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 LG644418473 or 644418473. Listed at 26 retailers as of October 31, 2026, with prices from €851 to €7,590, a €6,739 spread on the same certified stone. Brilliant Earth lists it at €7,590. 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

4.51
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.6°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644418473
Dimensions8.67 × 8.67 × 6.32 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.67 mm8.67 mm4.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644418473
Side View
Table 72.0%Crown 47.6°Girdle: Slightly ThickPavilion 37.5°Culet: NoneDepth 72.9%

Caratlytics Score

How it works →
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: Nov 2
Current: €7,590 EUR|Low: €817 EUR|High: €7,734 EUR|Avg: €2,505 EUR|-1.9%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 5€851 EUR
Retailer 6€952 EUR
Retailer 18€978 EUR
Retailer 3€987 EUR
Retailer 10€987 EUR
Retailer 16€1,146 EUR
Retailer 11€1,348 EUR
Retailer 9€1,391 EUR
Retailer 2€1,578 EUR
Retailer 19€2,128 EUR
Retailer 15€2,320 EUR
Retailer 13€2,335 EUR
Retailer 14€2,835 EUR
Retailer 7€3,034 EUR
Retailer 4€3,062 EUR
Retailer 17€3,222 EUR
Retailer 12€3,696 EUR
Retailer 8€7,555 EUR
Brilliant Earth€7,590 EUR

43 data points across 19 retailers

26 retailers€851 EUR to €7,590 EUR

A
Cheapest Retailer
-
€851 EUR
$951 USD
Retailer 2
-
€926 EUR
$1,035 USD
View
Price last confirmed 26 days ago
A
Retailer 3
-
€952 EUR
$1,064 USD
View
Final sale: no returns
Retailer 4
-
€978 EUR
£860 GBP
View
Price last confirmed 16 days ago
Retailer 5
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€987 EUR
$1,103 USD
View
Price last confirmed 30 days ago
A
Retailer 6
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€987 EUR
$1,103 USD
View
Retailer 7
-
€987 EUR
$1,103 USD
View
Price last confirmed 16 days ago
A
Retailer 8
-
€1,146 EUR
$1,280 USD
View
A
Retailer 9
-
€1,273 EUR
$1,422 USD
View
A
Retailer 10
-
€1,348 EUR
$1,506 USD
View
A
Retailer 11
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€1,391 EUR
$1,554 USD
View
B+
Retailer 12
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€1,578 EUR
£1,388 GBP
View
B+
Retailer 13
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€2,043 EUR
$2,282 USD
View
Retailer 14
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€2,043 EUR
$2,282 USD
View
Price last confirmed 32 days ago
B+
Retailer 15
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€2,128 EUR
$2,377 USD
View
B+
Retailer 16
-
€2,320 EUR
ZAR 41,866 ZAR
View
B+
Retailer 17
-
€2,335 EUR
A$4,013 AUD
View
B+
Retailer 18
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€2,835 EUR
A$4,873 AUD
View
B
Retailer 19
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€3,015 EUR
£2,652 GBP
View
B
Retailer 20
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€3,034 EUR
$3,390 USD
View
B
Retailer 21
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€3,062 EUR
$3,421 USD
View
B
Retailer 22
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€3,222 EUR
$3,600 USD
View
B
Retailer 23
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€3,696 EUR
£3,251 GBP
View
B
Retailer 24
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€3,877 EUR
$4,331 USD
View
B
Retailer 25
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€7,555 EUR
$8,440 USD
View
Most Expensive
B
Brilliant Earth
18587753A · Oct 31
€7,590 EUR
$8,480 USD
View
25 more retailers have this diamond
Prices start from €851 EURSave up to €6,739 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
4.51ct Princess
€851 EUR