Round|Lab Grown|IGI

1.66ct J VVS2 Round Lab Grown Diamond

EX • J/VVS2 • IGI LG557217323

Shape and cutting style on the report: Round brilliant

Certificate IGI LG557217323

Diamond specifications and retailer prices

From £292 GBP
$391 USD
As of November 1, 2026
Save £1,123 GBP (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,415 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.66ct lab-grown round diamond

This 1.66ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG557217323 or 557217323. Listed at 14 retailers as of November 1, 2026, with prices from £292 to £1,415, a £1,123 spread on the same certified stone. MOH London lists it at £1,415. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
J
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557217323
Dimensions7.68 × 7.60 × 4.63 mm
L/W Ratio1.01
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
7.68 mm7.60 mm1.66 ctJ / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557217323
Side View
Table 59.5%Crown 32.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,415 GBP|Low: £292 GBP|High: £1,432 GBP|Avg: £720 GBP
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
November 2, 2026
Retailer 8£292 GBP
Retailer 12£327 GBP
Retailer 9£362 GBP
Retailer 13£436 GBP
Retailer 7£437 GBP
Retailer 11£549 GBP
Retailer 10£575 GBP
Retailer 2£625 GBP
Retailer 5£868 GBP
Retailer 4£972 GBP
Retailer 6£1,016 GBP
Retailer 3£1,192 GBP
MOH London£1,415 GBP

20 data points across 13 retailers

14 retailers£292 GBP to £1,415 GBP

A
Cheapest Retailer
-
£292 GBP
$391 USD
A
Retailer 2
-
£327 GBP
$438 USD
View
Final sale: no returns
A
Retailer 3
-
£327 GBP
$438 USD
View
Retailer 4
-
£362 GBP
$485 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£362 GBP
$485 USD
View
A
Retailer 6
-
£436 GBP
$584 USD
View
A
Retailer 7
-
£437 GBP
$585 USD
View
A
Retailer 8
-
£549 GBP
$735 USD
View
A
Retailer 9
-
£575 GBP
$771 USD
View
A
Retailer 10
-
£625 GBP
ZAR 13,520 ZAR
View
B+
Retailer 11
-
£1,016 GBP
$1,361 USD
View
B+
Retailer 12
-
£1,164 GBP
$1,560 USD
View
B+
Retailer 13
-
£1,192 GBP
$1,597 USD
View
Most Expensive
B+
MOH London
LG557217323 · Nov 1
£1,415 GBP
View
13 more retailers have this diamond
Prices start from £292 GBPSave up to £1,123 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 Round
£292 GBP