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Heart|Lab Grown|IGI

6.18ct D VS2 Heart Lab Grown Diamond

EX • D/VS2 • IGI LG846665638

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846665638

Diamond specifications and retailer prices

From €978 EUR
$1,093 USD
As of October 30, 2026
Save €513 EUR (34%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €5,899 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 6.18ct lab-grown heart diamond

This 6.18ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846665638 or 846665638. Listed at 3 retailers as of October 30, 2026, with a 52% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.18
Carat
D
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846665638
Dimensions10.97 × 12.75 × 7.63 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.97 mm12.75 mm6.18 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846665638
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 59.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €5,899 EUR|Low: €978 EUR|High: €11,126 EUR|Avg: €5,216 EUR|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 2€978 EUR
Retailer 3€1,491 EUR
Brilliant Earth€5,899 EUR

8 data points across 3 retailers

3 retailers€978 EUR to €1,491 EUR

A
Cheapest Retailer
-
€978 EUR
$1,093 USD
Final sale: no returns
A
Retailer 2
-
€1,491 EUR
£1,312 GBP
View
Most Expensive
Brilliant Earth
22237707A · Oct 30
€5,899 EUR
$6,590 USD
View
Price under review
2 more retailers have this diamond
Prices start from €978 EURSave up to €513 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
6.18ct Heart
€978 EUR