Heart|Lab Grown|IGI

5.09ct G VVS2 Heart Lab Grown Diamond

EX • G/VVS2 • IGI LG841646666

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG841646666

Diamond specifications and retailer prices

From £684 GBP
$917 USD
As of November 1, 2026
Save £1,437 GBP (68%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £6,993 GBP at Brilliant Earth · As of October 12, 2026
View at Brilliant Earth

About this 5.09ct lab-grown heart diamond

This 5.09ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841646666 or 841646666. Listed at 4 retailers as of November 1, 2026, with a 210% 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

5.09
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841646666
Dimensions11.00 × 11.99 × 6.73 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
11.00 mm11.99 mm5.09 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841646666
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 56.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £6,993 GBP|Low: £684 GBP|High: £6,993 GBP|Avg: £3,030 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 3£684 GBP
Retailer 4£931 GBP
Retailer 5£1,099 GBP
Retailer 2£2,121 GBP
Brilliant Earth£6,993 GBP

12 data points across 5 retailers

4 retailers£684 GBP to £2,121 GBP

A
Cheapest Retailer
-
£684 GBP
$917 USD
Final sale: no returns
B+
Retailer 2
-
£931 GBP
$1,248 USD
View
B
Retailer 3
-
£2,121 GBP
$2,842 USD
View
Most Expensive
Brilliant Earth
21706648A · Oct 12
£6,993 GBP
$9,370 USD
View
Price last confirmed 20 days ago
3 more retailers have this diamond
Prices start from £684 GBPSave up to £1,437 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
5.09ct Heart
£684 GBP