Oval|Lab Grown|IGI

1.66ct E VS1 Oval Lab Grown Diamond

EX • E/VS1 • IGI LG825614009

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG825614009

Diamond specifications and retailer prices

From £191 GBP
$256 USD
As of October 26, 2026
Save £760 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £951 GBP at MOH London · As of October 26, 2026
View at MOH London

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 LG825614009 or 825614009. Listed at 17 retailers as of October 26, 2026, with prices from £191 to £951, a £760 spread on the same certified stone. MOH London lists it at £951. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825614009
Dimensions9.72 × 6.61 × 4.06 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.72 mm6.61 mm1.66 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825614009
Side View
Table 60.0%Crown 35.9°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 61.4%

Caratlytics Score

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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: Oct 26
Current: £951 GBP|Low: £187 GBP|High: £951 GBP|Avg: £461 GBP|+0.6%
MOH London
Retailer 2
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Retailer 11
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October 31, 2026
Retailer 10£191 GBP
Retailer 7£213 GBP
Retailer 3£224 GBP
Retailer 4£237 GBP
Retailer 9£237 GBP
Retailer 11£281 GBP
Retailer 2£358 GBP
Retailer 13£399 GBP
Retailer 16£411 GBP
Retailer 5£420 GBP
Retailer 17£455 GBP
Retailer 15£456 GBP
Retailer 18£553 GBP
Retailer 6£728 GBP
Retailer 8£762 GBP
Retailer 14£808 GBP
Retailer 12£941 GBP
MOH London£951 GBP

31 data points across 18 retailers

17 retailers£191 GBP to £951 GBP

A
Cheapest Retailer
-
£191 GBP
$256 USD
A
Retailer 2
-
£224 GBP
$300 USD
View
A
Retailer 3
-
£237 GBP
$318 USD
View
A
Retailer 4
-
£237 GBP
$318 USD
View
A
Retailer 5
-
£281 GBP
View
A
Retailer 6
-
£358 GBP
$480 USD
View
A
Retailer 7
-
£399 GBP
$535 USD
View
A
Retailer 8
-
£411 GBP
ZAR 8,899 ZAR
View
Retailer 9
-
£420 GBP
€536 EUR
View
Price last confirmed 8 days ago
A
Retailer 10
-
£455 GBP
View
A
Retailer 11
-
£456 GBP
$611 USD
View
B+
Retailer 12
-
£553 GBP
A$1,139 AUD
View
B
Retailer 13
-
£728 GBP
$975 USD
View
Retailer 14
-
£762 GBP
$1,021 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
£808 GBP
$1,082 USD
View
B
Retailer 16
-
£941 GBP
$1,261 USD
View
Most Expensive
B
MOH London
LG825614009 · Oct 26
£951 GBP
View
16 more retailers have this diamond
Prices start from £191 GBPSave up to £760 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 Oval
£191 GBP