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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 $148 USD
As of November 2, 2026
Save $708 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $856 USD at MOH London · As of November 2, 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 November 2, 2026, with prices from $148 to $856, a $708 spread on the same certified stone. MOH London lists it at $856. 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
Color
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

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: $856 USD|Low: $148 USD|High: $1,041 USD|Avg: $452 USD|-16.9%
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$148 USD
Retailer 8$171 USD
Retailer 4$183 USD
Retailer 7$220 USD
Retailer 3$243 USD
Retailer 2$317 USD
Retailer 10$333 USD
Retailer 14$337 USD
Retailer 15$399 USD
Retailer 9$466 USD
Retailer 12$488 USD
Retailer 6$588 USD
Retailer 11$621 USD
Retailer 5$644 USD
MOH London$856 USD

46 data points across 15 retailers

15 retailers$148 USD to $856 USD

A
Cheapest Retailer
-
$148 USD
A
Retailer 2
-
$171 USD
View
A
Retailer 3
-
$183 USD
View
Retailer 4
-
$220 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$243 USD
View
B+
Retailer 6
-
$317 USD
£249 GBP
View
B+
Retailer 7
-
$333 USD
ZAR 5,373 ZAR
View
B+
Retailer 8
-
$337 USD
View
B
Retailer 9
-
$399 USD
£314 GBP
View
B+
Retailer 10
-
$466 USD
A$717 AUD
View
B
Retailer 11
-
$488 USD
View
B
Retailer 12
-
$588 USD
View
B
Retailer 13
-
$621 USD
View
B
Retailer 14
-
$644 USD
View
Most Expensive
B
MOH London
LG783670155 · Nov 2
$856 USD
£674 GBP
View
14 more retailers have this diamond
Prices start from $148 USDSave up to $708 USD

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
$148 USD