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1.66ct G VVS1 Round Lab Grown Diamond

EX • G/VVS1 • IGI LG688506283

Shape and cutting style on the report: Round brilliant

Certificate IGI LG688506283

Diamond specifications and retailer prices

From £547 GBP
$734 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: £547 GBP at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

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 G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG688506283 or 688506283. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688506283
Dimensions7.48 × 7.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.48 mm7.51 mm1.66 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG688506283
Side View
Table 57.0%Crown 35.3°GirdlePavilion 41.2°Culet: NoneDepth 63.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: £547 GBP|Low: £526 GBP|High: £876 GBP|Avg: £655 GBP|-37.5%
September 23, 2026
B2C Jewels£547 GBP

4 data points across 1 retailer

1 retailer

B
B2C Jewels
27847583 · Nov 2
£547 GBP
$734 USD
View

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B
1.66ct Round
£547 GBP