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Oval|Lab Grown|IGI

1.66ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG835610999

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG835610999

Diamond specifications and retailer prices

From £1,515 GBP
$2,030 USD
As of October 26, 2026
17 retailers carry this diamond
Most expensive: £1,697 GBP at Queensmith · As of October 23, 2026
View at Queensmith

About this 1.66ct lab-grown oval diamond

This 1.66ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835610999 or 835610999. Listed at 17 retailers as of October 26, 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835610999
Dimensions9.43 × 6.66 × 4.13 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.43 mm6.66 mm1.66 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835610999
Side View
Table 61.0%Crown 32.9°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 62.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 26
Current: £1,697 GBP|Low: £172 GBP|High: £1,697 GBP|Avg: £636 GBP
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 18
October 24, 2026
Retailer 3£172 GBP
Retailer 10£193 GBP
Retailer 4£199 GBP
Retailer 6£213 GBP
Retailer 12£249 GBP
Retailer 18£287 GBP
Retailer 14£368 GBP
Retailer 11£385 GBP
Retailer 8£449 GBP
Retailer 16£501 GBP
Retailer 17£687 GBP
Retailer 2£724 GBP
Retailer 5£806 GBP
Retailer 9£852 GBP
Retailer 15£859 GBP
Retailer 7£870 GBP
Retailer 13£1,515 GBP
Queensmith£1,697 GBP

32 data points across 18 retailers

17 retailers

Retailer 1
-
£172 GBP
$230 USD
Price last confirmed 9 days ago
Retailer 2
-
£199 GBP
$267 USD
View
Price last confirmed 11 days ago
Retailer 3
-
£213 GBP
$285 USD
View
Price last confirmed 10 days ago
Retailer 4
-
£213 GBP
$285 USD
View
Price last confirmed 15 days ago
Retailer 5
-
£249 GBP
View
Price last confirmed 10 days ago
Retailer 6
-
£287 GBP
$385 USD
View
Price last confirmed 9 days ago
Retailer 7
-
£385 GBP
View
Price last confirmed 9 days ago
Retailer 8
-
£449 GBP
$601 USD
View
Price last confirmed 8 days ago
Retailer 9
-
£501 GBP
A$1,033 AUD
View
Price last confirmed 14 days ago
Retailer 10
-
£685 GBP
$918 USD
View
Price last confirmed 10 days ago
Retailer 11
-
£687 GBP
$921 USD
View
Price last confirmed 9 days ago
Retailer 12
-
£724 GBP
$970 USD
View
Price last confirmed 7 days ago
Retailer 13
-
£806 GBP
A$1,661 AUD
View
Price last confirmed 23 days ago
Retailer 14
-
£859 GBP
View
Price last confirmed 11 days ago
Retailer 15
-
£870 GBP
$1,166 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
£1,515 GBP
$2,030 USD
View
Most Expensive
Queensmith
LG835610999 · Oct 23
£1,697 GBP
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from £1,515 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 Oval
£1,515 GBP