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Round|Lab Grown|IGI

1.66ct K VS2 Round Lab Grown Diamond

ID • K/VS2 • IGI LG447001697

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447001697

Diamond specifications and retailer prices

From £1,660 GBP
As of November 5, 2026
Save £3,549 GBP (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £5,209 GBP at MOH London · As of November 5, 2026
View at MOH London

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 K colour (faint-tinted) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG447001697 or 447001697. Listed at 9 retailers as of November 5, 2026, with prices from £1,660 to £5,209, a £3,549 spread on the same certified stone. MOH London lists it at £5,209. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
K
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001697
Dimensions7.53 × 7.58 × 4.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.53 mm7.58 mm1.66 ctK / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001697
Side View
Table 56.5%Crown 35.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £5,209 GBP|Low: £1,593 GBP|High: £5,293 GBP|Avg: £2,858 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4£1,660 GBP
Retailer 7£1,805 GBP
Retailer 5£1,925 GBP
Retailer 2£2,047 GBP
Retailer 9£2,429 GBP
Retailer 8£2,646 GBP
Retailer 6£3,006 GBP
Retailer 3£3,017 GBP
Retailer 10£4,307 GBP
MOH London£5,209 GBP

18 data points across 10 retailers

9 retailers£1,660 GBP to £5,209 GBP

B+
Cheapest Retailer
-
£1,660 GBP
B+
Retailer 2
-
£1,805 GBP
View
Retailer 3
-
£1,925 GBP
View
Price last confirmed 26 days ago
B
Retailer 4
-
£1,925 GBP
View
B
Retailer 5
-
£2,047 GBP
View
B
Retailer 6
-
£2,646 GBP
View
B
Retailer 7
-
£3,006 GBP
View
B
Retailer 8
-
£3,017 GBP
View
Most Expensive
B
MOH London
LG447001697 · Nov 5
£5,209 GBP
View
8 more retailers have this diamond
Prices start from £1,660 GBPSave up to £3,549 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 Round
£1,660 GBP