Heart|Lab Grown|IGI

5.09ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG841640340

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG841640340

Diamond specifications and retailer prices

From £946 GBP
HK$9,900 HKD
As of October 30, 2026
Save £1,992 GBP (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,938 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.09ct lab-grown heart diamond

This 5.09ct 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 LG841640340 or 841640340. Listed at 9 retailers as of October 30, 2026, with prices from £946 to £2,938, a £1,992 spread on the same certified stone. With Clarity lists it at £2,938. 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
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841640340
Dimensions10.76 × 11.87 × 7.05 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
10.76 mm11.87 mm5.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841640340
Side View
Table 64.0%Crown 34.6°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 59.4%

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: Oct 30
Current: £1,232 GBP|Low: £946 GBP|High: £2,938 GBP|Avg: £1,858 GBP|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
October 31, 2026
Retailer 4£946 GBP
Retailer 7£1,075 GBP
Retailer 1£1,232 GBP
Retailer 8£1,281 GBP
Retailer 2£1,307 GBP
Retailer 5£1,912 GBP
Retailer 3£2,727 GBP
Retailer 6£2,781 GBP
With Clarity£2,938 GBP

21 data points across 9 retailers

9 retailers£946 GBP to £2,938 GBP

A
Cheapest Retailer
-
£946 GBP
HK$9,900 HKD
A
Retailer 2
-
£1,075 GBP
$1,441 USD
View
A
Retailer 3
-
£1,232 GBP
View
A
Retailer 4
-
£1,281 GBP
$1,717 USD
View
A
Retailer 5
-
£1,307 GBP
€1,668 EUR
View
B+
Retailer 6
-
£1,912 GBP
$2,562 USD
View
B
Retailer 7
-
£2,727 GBP
View
B
Retailer 8
-
£2,781 GBP
$3,727 USD
View
Most Expensive
B
With Clarity
841640340 · Oct 31
£2,938 GBP
$3,936 USD
View
8 more retailers have this diamond
Prices start from £946 GBPSave up to £1,992 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
£946 GBP