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Round|Lab Grown|IGI

1.66ct J VVS2 Round Lab Grown Diamond

EX • J/VVS2 • IGI LG459194459

Shape and cutting style on the report: Round brilliant

Certificate IGI LG459194459

Diamond specifications and retailer prices

From £715 GBP
$960 USD
As of November 2, 2026
Save £3,128 GBP (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,843 GBP at MOH London · As of November 1, 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 J colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG459194459 or 459194459. Listed at 12 retailers as of November 1, 2026, with prices from £715 to £3,843, a £3,128 spread on the same certified stone. MOH London lists it at £3,843. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
J
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459194459
Dimensions7.62 × 7.58 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.62 mm7.58 mm1.66 ctJ / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG459194459
Side View
Table 60.0%Crown 32.9°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 61.8%

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 2
Current: £3,843 GBP|Low: £715 GBP|High: £3,894 GBP|Avg: £1,930 GBP|-1.0%
MOH London
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
November 1, 2026
Retailer 2£715 GBP
Retailer 10£1,160 GBP
Retailer 14£1,262 GBP
Retailer 13£1,300 GBP
Retailer 11£1,346 GBP
Retailer 9£1,472 GBP
Retailer 5£1,498 GBP
Retailer 4£1,818 GBP
Retailer 12£2,118 GBP
Retailer 8£2,379 GBP
Retailer 7£2,474 GBP
Retailer 3£2,522 GBP
Retailer 6£3,011 GBP
MOH London£3,843 GBP

23 data points across 14 retailers

12 retailers£715 GBP to £3,843 GBP

A
Cheapest Retailer
-
£715 GBP
$960 USD
B+
Retailer 2
-
£1,160 GBP
$1,557 USD
View
B+
Retailer 3
-
£1,262 GBP
$1,694 USD
View
B+
Retailer 4
-
£1,300 GBP
$1,744 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,346 GBP
$1,806 USD
View
Retailer 6
-
£1,346 GBP
$1,806 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
£1,472 GBP
$1,975 USD
View
B
Retailer 8
-
£2,118 GBP
$2,842 USD
View
B
Retailer 9
-
£2,379 GBP
$3,193 USD
View
B
Retailer 10
-
£2,474 GBP
ZAR 53,628 ZAR
View
B
Retailer 11
-
£2,522 GBP
$3,385 USD
View
Most Expensive
B
MOH London
LG459194459 · Nov 1
£3,843 GBP
View
11 more retailers have this diamond
Prices start from £715 GBPSave up to £3,128 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 Round
£715 GBP