Oval|Lab Grown|IGI

1.66ct D VS2 Oval Lab Grown Diamond

EX • D/VS2 • IGI LG776619805

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG776619805

Diamond specifications and retailer prices

From £194 GBP
$260 USD
As of November 1, 2026
Save £552 GBP (74%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £746 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG776619805 or 776619805. Listed at 5 retailers as of November 1, 2026, with prices from £194 to £746, a £552 spread on the same certified stone. Rare Carat lists it at £746. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776619805
Dimensions9.63 × 6.70 × 4.13 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Top View
9.63 mm6.70 mm1.66 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776619805
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £746 GBP|Low: £193 GBP|High: £910 GBP|Avg: £490 GBP|-1.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 4£194 GBP
Retailer 8£207 GBP
Retailer 5£229 GBP
Retailer 3£334 GBP
Retailer 7£390 GBP
Retailer 2£421 GBP
Retailer 10£449 GBP
Retailer 6£606 GBP
Retailer 11£704 GBP
Rare Carat£746 GBP
Retailer 9£910 GBP

40 data points across 11 retailers

5 retailers£194 GBP to £746 GBP

A
Cheapest Retailer
-
£194 GBP
$260 USD
Final sale: no returns
A
Retailer 2
-
£421 GBP
View
Retailer 3
-
£571 GBP
A$1,177 AUD
View
Price last confirmed 122 days ago
Retailer 4
-
£606 GBP
$812 USD
View
Price last confirmed 47 days ago
Most Expensive
B+
Rare Carat
776619805 · Nov 1
£746 GBP
$1,000 USD
View
4 more retailers have this diamond
Prices start from £194 GBPSave up to £552 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
£194 GBP