Heart|Lab Grown|IGI

6.74ct H VS1 Heart Lab Grown Diamond

EX • H/VS1 • IGI LG843676536

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843676536

Diamond specifications and retailer prices

From $917 USD
As of October 31, 2026
Save $3,953 USD (81%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,870 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.74ct lab-grown heart diamond

This 6.74ct lab-grown heart sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843676536 or 843676536. Listed at 3 retailers as of October 31, 2026, with prices from $917 to $4,870, a $3,953 spread on the same certified stone. Brilliant Earth lists it at $4,870. 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

6.74
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843676536
Dimensions12.15 × 13.33 × 7.43 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.15 mm13.33 mm6.74 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843676536
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 55.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $4,870 USD|Low: $917 USD|High: $4,870 USD|Avg: $1,690 USD
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$917 USD
Retailer 2$1,508 USD
Brilliant Earth$4,870 USD

22 data points across 3 retailers

3 retailers$917 USD to $4,870 USD

A
Cheapest Retailer
-
$917 USD
Final sale: no returns
A
Retailer 2
-
$1,508 USD
£1,187 GBP
View
Most Expensive
B
Brilliant Earth
21781597A · Oct 31
$4,870 USD
View
2 more retailers have this diamond
Prices start from $917 USDSave up to $3,953 USD

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
6.74ct Heart
$917 USD