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Heart|Lab Grown|IGI

1.66ct G VS2 Heart Lab Grown Diamond

ID • G/VS2 • IGI LG812631896

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG812631896

Diamond specifications and retailer prices

From £189 GBP
$254 USD
As of November 2, 2026
Save £828 GBP (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,017 GBP at Reve Diamonds · As of November 1, 2026
View at Reve 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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812631896 or 812631896. Listed at 11 retailers as of November 1, 2026, with prices from £189 to £1,017, a £828 spread on the same certified stone. Reve Diamonds lists it at £1,017. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812631896
Dimensions8.01 × 7.06 × 4.99 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.01 mm7.06 mm1.66 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812631896
Side View
Table 61.0%Crown 34.4°Girdle: STK-THKPavilion 41.5°CuletDepth 62.3%

Caratlytics Score

How it works →
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: Nov 2
Current: £287 GBP|Low: £181 GBP|High: £1,017 GBP|Avg: £479 GBP|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
November 2, 2026
Retailer 6£189 GBP
Retailer 7£211 GBP
Retailer 2£219 GBP
Retailer 8£234 GBP
Retailer 1£287 GBP
Retailer 5£354 GBP
Retailer 10£392 GBP
Retailer 4£720 GBP
Retailer 9£753 GBP
Retailer 3£939 GBP
Reve Diamonds£1,017 GBP

27 data points across 11 retailers

11 retailers£189 GBP to £1,017 GBP

A
Cheapest Retailer
-
£189 GBP
$254 USD
A
Retailer 2
-
£211 GBP
$283 USD
View
Final sale: no returns
A
Retailer 3
-
£219 GBP
$294 USD
View
A
Retailer 4
-
£234 GBP
$314 USD
View
A
Retailer 5
-
£287 GBP
View
A
Retailer 6
-
£354 GBP
$475 USD
View
A
Retailer 7
-
£392 GBP
$526 USD
View
B
Retailer 8
-
£720 GBP
$966 USD
View
B
Retailer 9
-
£753 GBP
$1,011 USD
View
B
Retailer 10
-
£939 GBP
View
Most Expensive
B
Reve Diamonds
A1F9D5346 · Nov 1
£1,017 GBP
$1,365 USD
View
10 more retailers have this diamond
Prices start from £189 GBPSave up to £828 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
1.66ct Heart
£189 GBP