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Radiant|Lab Grown|IGI

3.92ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG771653527

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

Certificate IGI LG771653527

Diamond specifications and retailer prices

From €578 EUR
$646 USD
As of October 31, 2026
Save €4,258 EUR (88%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €4,836 EUR at Frank Darling · As of October 31, 2026
View at Frank Darling

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 LG771653527 or 771653527. Listed at 6 retailers as of October 31, 2026, with prices from €578 to €4,836, a €4,258 spread on the same certified stone. Frank Darling lists it at €4,836. 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 angle47.2°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771653527
Dimensions11.36 × 7.84 × 5.17 mm
L/W Ratio1.45
Culet sizePointed
Top View
11.36 mm7.84 mm3.92 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771653527
Side View
Table 67.0%Crown 47.2°Girdle: MediumPavilion 35.7°Culet: NoneDepth 65.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €4,836 EUR|Low: €349 EUR|High: €4,837 EUR|Avg: €1,856 EUR|-0.0%
Frank Darling
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
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Retailer 16
October 27, 2026
Retailer 5€349 EUR
Retailer 2€578 EUR
Retailer 14€721 EUR
Retailer 9€798 EUR
Retailer 15€848 EUR
Retailer 12€1,011 EUR
Retailer 10€1,166 EUR
Retailer 6€1,430 EUR
Retailer 16€1,836 EUR
Retailer 3€1,952 EUR
Retailer 4€2,045 EUR
Retailer 11€2,146 EUR
Retailer 7€2,797 EUR
Retailer 8€3,866 EUR
Retailer 13€4,296 EUR
Frank Darling€4,836 EUR

19 data points across 16 retailers

6 retailers€578 EUR to €4,836 EUR

A
Cheapest Retailer
-
€578 EUR
$646 USD
Final sale: no returns
B+
Retailer 2
-
€798 EUR
$892 USD
View
Retailer 3
-
€1,166 EUR
$1,303 USD
View
Price last confirmed 18 days ago
Retailer 4
-
€2,146 EUR
$2,398 USD
View
Price last confirmed 26 days ago
Retailer 5
-
€2,797 EUR
A$4,807 AUD
View
Price last confirmed 119 days ago
Most Expensive
B
Frank Darling
100757865209KD · Oct 31
€4,836 EUR
$5,403 USD
View
5 more retailers have this diamond
Prices start from €578 EURSave up to €4,258 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
€578 EUR