Radiant|Lab Grown|IGI

4.05ct I VVS1 Radiant Lab Grown Diamond

ID • I/VVS1 • IGI LG786668224

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

Certificate IGI LG786668224

Diamond specifications and retailer prices

From €1,494 EUR
$1,669 USD
As of October 31, 2026
Save €4,164 EUR (74%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €5,658 EUR at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.05ct lab-grown radiant diamond

This 4.05ct lab-grown radiant sits in the three to five carat band, graded I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG786668224 or 786668224. Listed at 5 retailers as of October 30, 2026, with prices from €1,494 to €5,658, a €4,164 spread on the same certified stone. Taylor and Hart lists it at €5,658. 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

4.05
Carat
I
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786668224
Dimensions11.22 × 7.99 × 5.03 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.22 mm7.99 mm4.05 ctI / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786668224
Side View
Table 73.0%Crown 40.1°Girdle: MED-STKPavilion 31.4°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €4,623 EUR|Low: €1,494 EUR|High: €6,790 EUR|Avg: €3,291 EUR|-16.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
October 29, 2026
Retailer 4€1,494 EUR
Retailer 2€1,831 EUR
Retailer 3€2,536 EUR
Retailer 1€4,623 EUR
Taylor and Hart€5,658 EUR

13 data points across 5 retailers

5 retailers€1,494 EUR to €5,658 EUR

B+
Cheapest Retailer
-
€1,494 EUR
$1,669 USD
B+
Retailer 2
-
€1,831 EUR
$2,046 USD
View
B
Retailer 3
-
€2,536 EUR
$2,833 USD
View
B
Retailer 4
-
€4,623 EUR
£4,067 GBP
View
Most Expensive
B
Taylor and Hart
C36LOR0 · Oct 30
€5,658 EUR
$6,322 USD
View
4 more retailers have this diamond
Prices start from €1,494 EURSave up to €4,164 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.

B+
4.05ct Radiant
€1,494 EUR