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Heart|Lab Grown|IGI

5.10ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG843679361

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843679361

Diamond specifications and retailer prices

From £938 GBP
$1,257 USD
As of October 30, 2026
Save £3,823 GBP (80%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £4,762 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.1ct lab-grown heart diamond

This 5.1ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843679361 or 843679361. Listed at 3 retailers as of October 30, 2026, with prices from £938 to £4,762, a £3,823 spread on the same certified stone. Brilliant Earth lists it at £4,762. 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

5.10
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843679361
Dimensions10.82 × 11.83 × 6.86 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
10.82 mm11.83 mm5.10 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843679361
Side View
Table 59.0%Crown 35.4°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 58.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £4,762 GBP|Low: £938 GBP|High: £8,986 GBP|Avg: £4,141 GBP|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3£938 GBP
Retailer 2£1,421 GBP
Brilliant Earth£4,762 GBP

20 data points across 3 retailers

3 retailers£938 GBP to £4,762 GBP

A
Cheapest Retailer
-
£938 GBP
$1,257 USD
Final sale: no returns
B+
Retailer 2
-
£1,421 GBP
View
Most Expensive
B
Brilliant Earth
21782010A · Oct 30
£4,762 GBP
$6,380 USD
View
2 more retailers have this diamond
Prices start from £938 GBPSave up to £3,823 GBP

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
5.10ct Heart
£938 GBP