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Heart|Lab Grown|IGI

1.66ct E VS2 Heart Lab Grown Diamond

ID • E/VS2 • IGI LG633447672

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG633447672

Diamond specifications and retailer prices

From £431 GBP
A$888 AUD
As of October 31, 2026
2 retailers carry this diamond
Most expensive: £530 GBP at Novita Diamonds · As of August 19, 2026
View at Novita Diamonds

About this 1.66ct lab-grown heart diamond

This 1.66ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG633447672 or 633447672. Listed at 2 retailers as of October 31, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633447672
Dimensions7.31 × 8.08 × 4.88 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.31 mm8.08 mm1.66 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633447672
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £530 GBP|Low: £114 GBP|High: £1,052 GBP|Avg: £515 GBP
Novita Diamonds
Retailer 2
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October 31, 2026
Retailer 16£114 GBP
Retailer 5£135 GBP
Retailer 12£285 GBP
Retailer 9£299 GBP
Retailer 8£375 GBP
Retailer 10£378 GBP
Retailer 15£393 GBP
Retailer 2£431 GBP
Retailer 7£434 GBP
Retailer 13£436 GBP
Novita Diamonds£530 GBP
Retailer 3£540 GBP
Retailer 4£719 GBP
Retailer 17£842 GBP
Retailer 14£910 GBP
Retailer 6£959 GBP
Retailer 11£970 GBP

6 data points across 17 retailers

2 retailers

B+
Cheapest Retailer
-
£431 GBP
A$888 AUD
Most Expensive
Novita Diamonds
cert_633447672 · Aug 19
£530 GBP
A$1,093 AUD
View
Price last confirmed 73 days ago
1 more retailer has this diamond
Prices start from £431 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.

B+
1.66ct Heart
£431 GBP