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Round|Lab Grown|IGI

1.65ct E VVS1 Round Lab Grown Diamond

ID • E/VVS1 • IGI LG779643543

Certificate IGI LG779643543

Diamond specifications and retailer prices

From £1,307 GBP
$1,740 USD
As of October 28, 2026
Save £406 GBP (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,712 GBP at Zales · As of October 28, 2026
View at Zales

About this 1.65ct lab-grown round diamond

This 1.65ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG779643543 or 779643543. Listed at 3 retailers as of October 28, 2026, with prices from £1,307 to £1,712, a £406 spread on the same certified stone. Zales lists it at £1,712. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG779643543
Dimensions7.56 × 7.59 mm
L/W Ratio1.00
Top View
7.56 mm7.59 mm1.65 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779643543
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: £1,307 GBP|Low: £1,307 GBP|High: £1,862 GBP|Avg: £1,741 GBP|-22.7%
Retailer 1
Retailer 2
Zales
September 28, 2026
Retailer 1£1,307 GBP
Retailer 2£1,712 GBP
Zales£1,712 GBP

6 data points across 3 retailers

3 retailers£1,307 GBP to £1,712 GBP

B
Cheapest Retailer
-
£1,307 GBP
$1,740 USD
B
Retailer 2
-
£1,712 GBP
$2,280 USD
View
Most Expensive
B
Zales
527674354 · Oct 28
£1,712 GBP
$2,280 USD
View
2 more retailers have this diamond
Prices start from £1,307 GBPSave up to £406 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
1.65ct Round
£1,307 GBP