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Radiant|Lab Grown|IGI

3.40ct J VS1 Radiant Lab Grown Diamond

ID • J/VS1 • IGI LG848699114

Shape and cutting style on the report: Cut cornered rectangular mixed cut

Certificate IGI LG848699114

Diamond specifications and retailer prices

From €1,182 EUR
$1,320 USD
As of October 31, 2026
Save €1,875 EUR (61%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €3,056 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.4ct lab-grown radiant diamond

This 3.4ct lab-grown radiant sits in the three to five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG848699114 or 848699114. Listed at 3 retailers as of October 31, 2026, with prices from €1,182 to €3,056, a €1,875 spread on the same certified stone. Taylor and Hart lists it at €3,056. 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

3.40
Carat
J
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle30.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848699114
Dimensions10.00 × 7.31 × 4.98 mm
L/W Ratio1.37
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa Light Green
Top View
10.00 mm7.31 mm3.40 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848699114
Side View
Table 59.0%Crown 38°Girdle: Slightly ThickPavilion 30.7°Culet: NoneDepth 68.1%

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 31
Current: €1,182 EUR|Low: €1,182 EUR|High: €3,056 EUR|Avg: €1,690 EUR
Retailer 1
Retailer 2
Taylor and Hart
October 31, 2026
Retailer 1€1,182 EUR
Retailer 2€1,262 EUR
Taylor and Hart€3,056 EUR

2 data points across 3 retailers

3 retailers€1,182 EUR to €3,056 EUR

A
Cheapest Retailer
-
€1,182 EUR
$1,320 USD
B+
Retailer 2
-
€1,262 EUR
$1,410 USD
View
Most Expensive
B
Taylor and Hart
XZJ4MMJ · Oct 31
€3,056 EUR
$3,414 USD
View
2 more retailers have this diamond
Prices start from €1,182 EURSave up to €1,875 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
3.40ct Radiant
€1,182 EUR