Radiant|Lab Grown|IGI

3.91ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1

Diamond specifications and retailer prices

From €640 EUR
$715 USD
As of October 30, 2026
Save €2,972 EUR (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €3,612 EUR at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.91ct lab-grown radiant diamond

This 3.91ct 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. Listed at 8 retailers as of October 30, 2026, with prices from €640 to €3,612, a €2,972 spread on the same certified stone. The Diamond Guys lists it at €3,612. 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

3.91
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions11.00 × 7.89 × 5.26 mm
L/W Ratio1.39
Top View
11.00 mm7.89 mm3.91 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 68.0%CrownGirdle: MediumPavilionCulet: NoneDepth 66.7%

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: Oct 30
Current: €1,100 EUR|Low: €640 EUR|High: €3,920 EUR|Avg: €1,695 EUR|-7.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
October 30, 2026
Retailer 6€640 EUR
Retailer 5€696 EUR
Retailer 3€890 EUR
Retailer 1€1,100 EUR
Retailer 7€1,400 EUR
Retailer 2€2,048 EUR
Retailer 4€2,304 EUR
The Diamond Guys€3,612 EUR

31 data points across 8 retailers

8 retailers€640 EUR to €3,612 EUR

A
Cheapest Retailer
-
€640 EUR
$715 USD
A
Retailer 2
-
€696 EUR
$778 USD
View
A
Retailer 3
-
€890 EUR
$994 USD
View
A
Retailer 4
-
€1,100 EUR
£968 GBP
View
Retailer 5
-
€1,400 EUR
$1,564 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
€2,048 EUR
CA$3,178 CAD
View
B+
Retailer 7
-
€2,304 EUR
$2,574 USD
View
Most Expensive
B
The Diamond Guys
1920168594 · Oct 30
€3,612 EUR
$4,035 USD
View
7 more retailers have this diamond
Prices start from €640 EURSave up to €2,972 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
3.91ct Radiant
€640 EUR