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Radiant|Lab Grown|IGI

4.03ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG800606004

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG800606004

Diamond specifications and retailer prices

From €576 EUR
$643 USD
As of October 30, 2026
Save €4,535 EUR (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €6,149 EUR at Brilliant Earth · As of October 15, 2026
View at Brilliant Earth

About this 4.03ct lab-grown radiant diamond

This 4.03ct lab-grown radiant 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 LG800606004 or 800606004. Listed at 27 retailers as of October 30, 2026, with a 788% 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

4.03
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800606004
Dimensions10.80 × 7.80 × 5.04 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.80 mm7.80 mm4.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800606004
Side View
Table 63.0%Crown 46.8°Girdle: STK-THKPavilion 31.8°Culet: NoneDepth 64.6%

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: €6,149 EUR|Low: €542 EUR|High: €6,257 EUR|Avg: €1,721 EUR
Brilliant Earth
Retailer 2
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Retailer 24
November 2, 2026
Retailer 23€576 EUR
Retailer 15€626 EUR
Retailer 16€654 EUR
Retailer 18€657 EUR
Retailer 9€667 EUR
Retailer 20€828 EUR
Retailer 8€917 EUR
Retailer 3€976 EUR
Retailer 24€1,054 EUR
Retailer 7€1,097 EUR
Retailer 19€1,141 EUR
Retailer 2€1,181 EUR
Retailer 22€1,567 EUR
Retailer 21€1,578 EUR
Retailer 5€1,651 EUR
Retailer 10€2,070 EUR
Retailer 14€2,275 EUR
Retailer 17€2,438 EUR
Retailer 11€2,627 EUR
Retailer 6€2,637 EUR
Retailer 12€2,660 EUR
Retailer 13€2,892 EUR
Retailer 4€5,111 EUR
Brilliant Earth€6,149 EUR

29 data points across 24 retailers

27 retailers€576 EUR to €5,111 EUR

A
Cheapest Retailer
-
€576 EUR
$643 USD
A
Retailer 2
-
€626 EUR
$699 USD
View
Retailer 3
-
€654 EUR
$731 USD
View
Price last confirmed 20 days ago
A
Retailer 4
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€657 EUR
£578 GBP
View
A
Retailer 5
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€667 EUR
$745 USD
View
A
Retailer 6
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€828 EUR
$925 USD
View
A
Retailer 7
-
€917 EUR
HK$8,000 HKD
View
A
Retailer 8
-
€976 EUR
$1,090 USD
View
B+
Retailer 9
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€1,054 EUR
$1,178 USD
View
A
Retailer 10
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€1,097 EUR
$1,226 USD
View
A
Retailer 11
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€1,141 EUR
View
A
Retailer 12
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€1,181 EUR
£1,039 GBP
View
B+
Retailer 13
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€1,567 EUR
ZAR 28,290 ZAR
View
B+
Retailer 14
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€1,578 EUR
A$2,712 AUD
View
B+
Retailer 15
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€1,651 EUR
$1,845 USD
View
Retailer 16
-
€2,033 EUR
£1,788 GBP
View
Price last confirmed 18 days ago
B+
Retailer 17
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€2,070 EUR
$2,313 USD
View
Retailer 18
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€2,109 EUR
$2,356 USD
View
Price last confirmed 18 days ago
B+
Retailer 19
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€2,275 EUR
$2,542 USD
View
Retailer 20
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€2,321 EUR
$2,593 USD
View
Price last confirmed 9 days ago
Retailer 21
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€2,438 EUR
A$4,191 AUD
View
Price last confirmed 25 days ago
B
Retailer 22
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€2,627 EUR
$2,935 USD
View
B
Retailer 23
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€2,637 EUR
$2,946 USD
View
B
Retailer 24
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€2,660 EUR
SGD 4,016 SGD
View
B
Retailer 25
-
€2,892 EUR
£2,544 GBP
View
B
Retailer 26
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€5,111 EUR
$5,710 USD
View
Most Expensive
Brilliant Earth
19702781A · Oct 15
€6,149 EUR
$6,870 USD
View
Price last confirmed 17 days ago
26 more retailers have this diamond
Prices start from €576 EURSave up to €4,535 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
4.03ct Radiant
€576 EUR