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Radiant|Lab Grown|IGI

3.92ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG777618033

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

Certificate IGI LG777618033

Diamond specifications and retailer prices

From €529 EUR
$591 USD
As of October 30, 2026
Save €3,866 EUR (88%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €4,395 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.92ct lab-grown radiant diamond

This 3.92ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG777618033 or 777618033. Listed at 4 retailers as of October 29, 2026, with prices from €529 to €4,395, a €3,866 spread on the same certified stone. Brilliant Earth lists it at €4,395. 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

3.92
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777618033
Dimensions11.24 × 7.72 × 5.27 mm
L/W Ratio1.46
Culet sizePointed
Top View
11.24 mm7.72 mm3.92 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777618033
Side View
Table 67.0%Crown 43.4°Girdle: MediumPavilion 35.4°Culet: NoneDepth 68.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €4,395 EUR|Low: €349 EUR|High: €4,529 EUR|Avg: €1,641 EUR|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 4€349 EUR
Retailer 5€529 EUR
Retailer 9€604 EUR
Retailer 6€849 EUR
Retailer 12€908 EUR
Retailer 2€954 EUR
Retailer 7€1,623 EUR
Retailer 8€1,837 EUR
Retailer 10€1,955 EUR
Retailer 11€2,047 EUR
Retailer 3€3,575 EUR
Brilliant Earth€4,395 EUR

39 data points across 12 retailers

4 retailers€529 EUR to €4,395 EUR

A
Cheapest Retailer
-
€529 EUR
$591 USD
Final sale: no returns
A
Retailer 2
-
€954 EUR
£839 GBP
View
Retailer 3
-
€3,575 EUR
$3,994 USD
View
Price last confirmed 64 days ago
Most Expensive
B
Brilliant Earth
18052649A · Oct 29
€4,395 EUR
$4,910 USD
View
3 more retailers have this diamond
Prices start from €529 EURSave up to €3,866 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
3.92ct Radiant
€529 EUR