Emerald|Lab Grown|IGI

1.74ct E IF Emerald Lab Grown Diamond

EX • E/IF • IGI LG821651618

Shape and cutting style on the report: Emerald cut

Certificate IGI LG821651618

Diamond specifications and retailer prices

From £248 GBP
$330 USD
As of October 29, 2026
Save £3,184 GBP (93%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,432 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.74ct lab-grown emerald diamond

This 1.74ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821651618 or 821651618. Listed at 18 retailers as of October 29, 2026, with prices from £248 to £3,432, a £3,184 spread on the same certified stone. Brilliant Earth lists it at £3,432. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.74
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle45.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821651618
Dimensions8.29 × 5.57 × 3.87 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.29 mm5.57 mm1.74 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821651618
Side View
Table 65.0%Crown 33.9°Girdle: Slightly ThickPavilion 45.4°Culet: LargeDepth 69.5%

Caratlytics Score

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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 29
Current: £3,432 GBP|Low: £248 GBP|High: £3,432 GBP|Avg: £946 GBP
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
Retailer 16
October 30, 2026
Retailer 13£248 GBP
Retailer 3£375 GBP
Retailer 5£434 GBP
Retailer 9£452 GBP
Retailer 16£476 GBP
Retailer 10£488 GBP
Retailer 15£644 GBP
Retailer 6£854 GBP
Retailer 12£922 GBP
Retailer 4£983 GBP
Retailer 8£1,097 GBP
Retailer 2£1,106 GBP
Retailer 7£1,116 GBP
Retailer 11£1,155 GBP
Retailer 14£1,319 GBP
Brilliant Earth£3,432 GBP

22 data points across 16 retailers

18 retailers£248 GBP to £3,432 GBP

Retailer 1
-
£201 GBP
$268 USD
Price last confirmed 38 days ago
Retailer 2
-
£246 GBP
$328 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
£248 GBP
$330 USD
View
Final sale: no returns
A
Retailer 4
-
£375 GBP
$500 USD
View
A
Retailer 5
-
£434 GBP
€550 EUR
View
A
Retailer 6
-
£452 GBP
$602 USD
View
A
Retailer 7
-
£476 GBP
ZAR 10,231 ZAR
View
A
Retailer 8
-
£488 GBP
View
A
Retailer 9
-
£644 GBP
A$1,319 AUD
View
B+
Retailer 10
-
£854 GBP
$1,137 USD
View
B+
Retailer 11
-
£922 GBP
$1,228 USD
View
B+
Retailer 12
-
£983 GBP
$1,309 USD
View
B+
Retailer 13
-
£1,097 GBP
$1,461 USD
View
B+
Retailer 14
-
£1,106 GBP
A$2,266 AUD
View
B+
Retailer 15
-
£1,116 GBP
View
B+
Retailer 16
-
£1,155 GBP
$1,538 USD
View
B
Retailer 17
-
£1,319 GBP
SGD 2,373 SGD
View
Most Expensive
B
Brilliant Earth
20907813A · Oct 29
£3,432 GBP
$4,570 USD
View
17 more retailers have this diamond
Prices start from £248 GBPSave up to £3,184 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
1.74ct Emerald
£248 GBP