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Heart|Lab Grown|IGI

6.59ct F VVS2 Heart Lab Grown Diamond

ID • F/VVS2 • IGI LG790648099

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG790648099

Diamond specifications and retailer prices

From £829 GBP
$1,112 USD
As of November 2, 2026
Save £4,604 GBP (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £5,432 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 6.59ct lab-grown heart diamond

This 6.59ct lab-grown heart sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG790648099 or 790648099. Listed at 22 retailers as of November 2, 2026, with prices from £829 to £5,432, a £4,604 spread on the same certified stone. Brilliant Earth lists it at £5,432. 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

6.59
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790648099
Dimensions13.21 × 11.76 × 7.36 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.21 mm11.76 mm6.59 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790648099
Side View
Table 62.0%Crown 33.4°Girdle: STK-THKPavilion 37.6°Culet: NoneDepth 55.7%

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 2
Current: £5,432 GBP|Low: £817 GBP|High: £5,432 GBP|Avg: £2,276 GBP
Brilliant Earth
Retailer 2
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Retailer 20
November 2, 2026
Retailer 8£829 GBP
Retailer 5£902 GBP
Retailer 16£961 GBP
Retailer 7£1,092 GBP
Retailer 9£1,116 GBP
Retailer 19£1,258 GBP
Retailer 4£1,375 GBP
Retailer 2£1,382 GBP
Retailer 15£1,727 GBP
Retailer 14£1,782 GBP
Retailer 3£1,802 GBP
Retailer 17£1,860 GBP
Retailer 6£2,347 GBP
Retailer 20£2,784 GBP
Retailer 18£3,105 GBP
Retailer 10£3,220 GBP
Retailer 12£3,362 GBP
Retailer 11£3,478 GBP
Retailer 13£3,964 GBP
Brilliant Earth£5,432 GBP

33 data points across 20 retailers

22 retailers£829 GBP to £5,432 GBP

A
Cheapest Retailer
-
£829 GBP
$1,112 USD
A
Retailer 2
-
£902 GBP
$1,210 USD
View
A
Retailer 3
-
£961 GBP
$1,290 USD
View
Retailer 4
-
£978 GBP
$1,313 USD
View
Price last confirmed 16 days ago
A
Retailer 5
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£1,092 GBP
$1,465 USD
View
A
Retailer 6
-
£1,116 GBP
HK$11,700 HKD
View
A
Retailer 7
-
£1,258 GBP
$1,688 USD
View
B+
Retailer 8
-
£1,375 GBP
$1,845 USD
View
A
Retailer 9
-
£1,382 GBP
View
A
Retailer 10
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£1,727 GBP
$2,317 USD
View
B+
Retailer 11
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£1,782 GBP
A$3,678 AUD
View
B+
Retailer 12
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£1,802 GBP
$2,418 USD
View
B+
Retailer 13
-
£1,860 GBP
ZAR 40,329 ZAR
View
B+
Retailer 14
-
£2,347 GBP
$3,149 USD
View
B+
Retailer 15
-
£2,784 GBP
$3,736 USD
View
B+
Retailer 16
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£2,844 GBP
$3,817 USD
View
B+
Retailer 17
-
£3,105 GBP
View
B+
Retailer 18
-
£3,220 GBP
SGD 5,839 SGD
View
B+
Retailer 19
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£3,362 GBP
$4,512 USD
View
B
Retailer 20
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£3,478 GBP
$4,667 USD
View
B
Retailer 21
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£3,964 GBP
A$8,184 AUD
View
Most Expensive
B
Brilliant Earth
18787117A · Nov 2
£5,432 GBP
$7,290 USD
View
21 more retailers have this diamond
Prices start from £829 GBPSave up to £4,604 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
6.59ct Heart
£829 GBP