Heart|Lab Grown|IGI

0.66ct F VS1 Heart Lab Grown Diamond

EX • F/VS1 • IGI LG783670155

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG783670155

Diamond specifications and retailer prices

From £110 GBP
$148 USD
As of October 30, 2026
Save £530 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £641 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.66ct lab-grown heart diamond

This 0.66ct lab-grown heart sits in the half to three-quarter carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783670155 or 783670155. Listed at 15 retailers as of October 29, 2026, with prices from £110 to £641, a £530 spread on the same certified stone. MOH London lists it at £641. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.66
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783670155
Dimensions5.33 × 6.08 × 3.48 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.33 mm6.08 mm0.66 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783670155
Side View
Table 63.0%Crown 34.5°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 57.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £641 GBP|Low: £110 GBP|High: £776 GBP|Avg: £337 GBP|-16.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 13£110 GBP
Retailer 8£127 GBP
Retailer 4£136 GBP
Retailer 7£164 GBP
Retailer 3£181 GBP
Retailer 2£236 GBP
Retailer 10£248 GBP
Retailer 14£251 GBP
Retailer 15£297 GBP
Retailer 9£347 GBP
Retailer 12£364 GBP
Retailer 6£438 GBP
Retailer 11£463 GBP
Retailer 5£480 GBP
MOH London£641 GBP

46 data points across 15 retailers

15 retailers£110 GBP to £641 GBP

A
Cheapest Retailer
-
£110 GBP
$148 USD
A
Retailer 2
-
£127 GBP
$171 USD
View
A
Retailer 3
-
£136 GBP
$183 USD
View
Retailer 4
-
£164 GBP
$220 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£181 GBP
$243 USD
View
B+
Retailer 6
-
£236 GBP
View
B+
Retailer 7
-
£248 GBP
ZAR 5,373 ZAR
View
B+
Retailer 8
-
£251 GBP
$337 USD
View
B
Retailer 9
-
£297 GBP
View
B+
Retailer 10
-
£347 GBP
A$717 AUD
View
B
Retailer 11
-
£364 GBP
$488 USD
View
B
Retailer 12
-
£438 GBP
$588 USD
View
B
Retailer 13
-
£463 GBP
$621 USD
View
B
Retailer 14
-
£480 GBP
$644 USD
View
Most Expensive
B
MOH London
LG783670155 · Oct 29
£641 GBP
View
14 more retailers have this diamond
Prices start from £110 GBPSave up to £530 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
0.66ct Heart
£110 GBP