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Emerald|Lab Grown|IGI

1.86ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG669421623

Shape and cutting style on the report: Emerald cut

Certificate IGI LG669421623

Diamond specifications and retailer prices

From £321 GBP
$430 USD
As of October 30, 2026
Save £2,500 GBP (89%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £2,821 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.86ct lab-grown emerald diamond

This 1.86ct 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 top-tier cut grade and certified by IGI LG669421623 or 669421623. Listed at 26 retailers as of October 30, 2026, with prices from £321 to £2,821, a £2,500 spread on the same certified stone. Brilliant Earth lists it at £2,821. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle44.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669421623
Dimensions8.46 × 5.59 × 3.97 mm
L/W Ratio1.51
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
8.46 mm5.59 mm1.86 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669421623
Side View
Table 62.0%Crown 32.1°Girdle: MED-STKPavilion 44.2°Culet: LargeDepth 71.0%

Caratlytics Score

How it works →
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 30
Current: £2,821 GBP|Low: £307 GBP|High: £4,030 GBP|Avg: £962 GBP|-30.0%
Brilliant Earth
Retailer 2
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Retailer 20
October 30, 2026
Retailer 3£321 GBP
Retailer 14£358 GBP
Retailer 8£359 GBP
Retailer 4£398 GBP
Retailer 7£398 GBP
Retailer 17£504 GBP
Retailer 12£534 GBP
Retailer 10£587 GBP
Retailer 15£623 GBP
Retailer 2£654 GBP
Retailer 16£683 GBP
Retailer 13£926 GBP
Retailer 20£959 GBP
Retailer 11£1,160 GBP
Retailer 9£1,263 GBP
Retailer 6£1,278 GBP
Retailer 18£1,468 GBP
Retailer 5£1,487 GBP
Retailer 19£2,220 GBP
Brilliant Earth£2,821 GBP

43 data points across 20 retailers

26 retailers£321 GBP to £2,821 GBP

A
Cheapest Retailer
-
£321 GBP
$430 USD
A
Retailer 2
-
£358 GBP
$480 USD
View
Final sale: no returns
A
Retailer 3
-
£359 GBP
$481 USD
View
A
Retailer 4
-
£398 GBP
$533 USD
View
A
Retailer 5
-
£398 GBP
$533 USD
View
A
Retailer 6
-
£439 GBP
HK$4,600 HKD
View
A
Retailer 7
-
£504 GBP
$675 USD
View
A
Retailer 8
-
£534 GBP
$715 USD
View
A
Retailer 9
-
£587 GBP
$786 USD
View
A
Retailer 10
-
£623 GBP
€795 EUR
View
A
Retailer 11
-
£654 GBP
View
A
Retailer 12
-
£683 GBP
ZAR 14,786 ZAR
View
B+
Retailer 13
-
£926 GBP
A$1,908 AUD
View
B+
Retailer 14
-
£959 GBP
$1,285 USD
View
B+
Retailer 15
-
£1,130 GBP
$1,514 USD
View
B+
Retailer 16
-
£1,160 GBP
View
B+
Retailer 17
-
£1,263 GBP
SGD 2,287 SGD
View
B+
Retailer 18
-
£1,278 GBP
$1,712 USD
View
B+
Retailer 19
-
£1,302 GBP
$1,745 USD
View
B
Retailer 20
-
£1,437 GBP
$1,926 USD
View
Retailer 21
-
£1,468 GBP
View
Price last confirmed 12 days ago
B
Retailer 22
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£1,487 GBP
$1,993 USD
View
B
Retailer 23
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£1,720 GBP
$2,304 USD
View
B
Retailer 24
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£2,220 GBP
$2,975 USD
View
B
Retailer 25
-
£2,521 GBP
View
Most Expensive
B
Brilliant Earth
14284473A · Oct 30
£2,821 GBP
$3,780 USD
View
25 more retailers have this diamond
Prices start from £321 GBPSave up to £2,500 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
1.86ct Emerald
£321 GBP