CaratHunter
Plans
Emerald|Lab Grown|IGI

1.66ct D IF Emerald Lab Grown Diamond

VG • D/IF • IGI LG843604942

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843604942

Diamond specifications and retailer prices

From £207 GBP
$277 USD
As of November 1, 2026
Save £2,219 GBP (91%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,426 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.66ct lab-grown emerald diamond

This 1.66ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG843604942 or 843604942. Listed at 15 retailers as of October 31, 2026, with prices from £207 to £2,426, a £2,219 spread on the same certified stone. Brilliant Earth lists it at £2,426. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.66
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843604942
Dimensions7.87 × 5.57 × 3.79 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.87 mm5.57 mm1.66 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843604942
Side View
Table 65.0%Crown 39.4°Girdle: MediumPavilion 35.8°Culet: LargeDepth 68.0%

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: £2,426 GBP|Low: £194 GBP|High: £2,821 GBP|Avg: £936 GBP|-14.0%
Brilliant Earth
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
November 1, 2026
Retailer 12£207 GBP
Retailer 6£240 GBP
Retailer 13£388 GBP
Retailer 11£396 GBP
Retailer 3£422 GBP
Retailer 8£471 GBP
Retailer 9£659 GBP
Retailer 7£706 GBP
Retailer 15£787 GBP
Retailer 4£811 GBP
Retailer 5£908 GBP
Retailer 2£1,133 GBP
Retailer 14£1,836 GBP
Retailer 10£2,056 GBP
Brilliant Earth£2,426 GBP

14 data points across 15 retailers

15 retailers£207 GBP to £2,426 GBP

A
Cheapest Retailer
-
£207 GBP
$277 USD
A
Retailer 2
-
£240 GBP
$321 USD
View
A
Retailer 3
-
£388 GBP
$520 USD
View
A
Retailer 4
-
£396 GBP
$530 USD
View
A
Retailer 5
-
£422 GBP
$566 USD
View
A
Retailer 6
-
£471 GBP
€601 EUR
View
A
Retailer 7
-
£659 GBP
A$1,358 AUD
View
B+
Retailer 8
-
£706 GBP
$946 USD
View
B+
Retailer 9
-
£787 GBP
$1,054 USD
View
B+
Retailer 10
-
£811 GBP
$1,087 USD
View
B+
Retailer 11
-
£908 GBP
$1,217 USD
View
B+
Retailer 12
-
£1,133 GBP
View
B
Retailer 13
-
£1,836 GBP
$2,460 USD
View
B
Retailer 14
-
£2,056 GBP
$2,755 USD
View
Most Expensive
B
Brilliant Earth
22166412Y · Oct 31
£2,426 GBP
$3,250 USD
View
14 more retailers have this diamond
Prices start from £207 GBPSave up to £2,219 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 Emerald
£207 GBP