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Heart|Lab Grown|IGI

10.40ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG837605707

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837605707

Diamond specifications and retailer prices

From €1,749 EUR
$1,962 USD
As of November 1, 2026
Save €6,293 EUR (78%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €8,042 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 10.4ct lab-grown heart diamond

This 10.4ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837605707 or 837605707. Listed at 3 retailers as of November 1, 2026, with prices from €1,749 to €8,042, a €6,293 spread on the same certified stone. Brilliant Earth lists it at €8,042. 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

10.40
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837605707
Dimensions15.36 × 13.70 × 8.63 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.36 mm13.70 mm10.40 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837605707
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 56.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €8,042 EUR|Low: €1,734 EUR|High: €8,292 EUR|Avg: €5,002 EUR|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3€1,749 EUR
Retailer 2€2,592 EUR
Brilliant Earth€8,042 EUR

37 data points across 3 retailers

3 retailers€1,749 EUR to €8,042 EUR

A
Cheapest Retailer
-
€1,749 EUR
$1,962 USD
Final sale: no returns
A
Retailer 2
-
€2,592 EUR
£2,289 GBP
View
Most Expensive
B
Brilliant Earth
21352505A · Nov 2
€8,042 EUR
$9,020 USD
View
2 more retailers have this diamond
Prices start from €1,749 EURSave up to €6,293 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
10.40ct Heart
€1,749 EUR