Heart|Lab Grown|IGI

4.26ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG846632988

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846632988

Diamond specifications and retailer prices

From $688 USD
As of October 31, 2026
Save $494 USD (42%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,182 USD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 4.26ct lab-grown heart diamond

This 4.26ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846632988 or 846632988. Listed at 2 retailers as of October 31, 2026, with prices from $688 to $1,182, a $494 spread on the same certified stone. 77 Diamonds lists it at $1,182. 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

4.26
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846632988
Dimensions10.21 × 11.12 × 6.54 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.21 mm11.12 mm4.26 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846632988
Side View
Table 57.0%Crown 35.6°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 58.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $1,182 USD|Low: $688 USD|High: $1,221 USD|Avg: $1,018 USD|-3.2%
77 Diamonds
Retailer 2
November 1, 2026
Retailer 2$688 USD
77 Diamonds$1,182 USD

11 data points across 2 retailers

2 retailers$688 USD to $1,182 USD

A
Cheapest Retailer
-
$688 USD
Final sale: no returns
Most Expensive
A
77 Diamonds
HSTVS2T5XDXFJ · Nov 1
$1,182 USD
£931 GBP
View
1 more retailer has this diamond
Prices start from $688 USDSave up to $494 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
4.26ct Heart
$688 USD