Emerald|Lab Grown|IGI

1.77ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG640459908

Shape and cutting style on the report: Emerald cut

Certificate IGI LG640459908

Diamond specifications and retailer prices

From £246 GBP
$330 USD
As of October 30, 2026
Save £997 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,243 GBP at Novita Diamonds · As of October 30, 2026
View at Novita Diamonds

About this 1.77ct lab-grown emerald diamond

This 1.77ct 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 LG640459908 or 640459908. Listed at 19 retailers as of October 30, 2026, with prices from £246 to £1,243, a £997 spread on the same certified stone. Novita Diamonds lists it at £1,243. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640459908
Dimensions7.99 × 5.72 × 3.93 mm
L/W Ratio1.40
Culet sizeLong
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
7.99 mm5.72 mm1.77 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640459908
Side View
Table 65.0%Crown 37.7°Girdle: Slightly ThickPavilion 41.9°Culet: LNGDepth 68.7%

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: Oct 30
Current: £1,243 GBP|Low: £237 GBP|High: £3,575 GBP|Avg: £792 GBP
Novita Diamonds
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
Retailer 17
October 30, 2026
Retailer 16£246 GBP
Retailer 9£275 GBP
Retailer 7£286 GBP
Retailer 6£305 GBP
Retailer 17£305 GBP
Retailer 14£410 GBP
Retailer 13£422 GBP
Retailer 10£495 GBP
Retailer 8£505 GBP
Retailer 12£525 GBP
Retailer 2£546 GBP
Retailer 15£896 GBP
Retailer 4£981 GBP
Retailer 3£1,154 GBP
Retailer 11£1,230 GBP
Novita Diamonds£1,243 GBP
Retailer 5£3,456 GBP

43 data points across 17 retailers

19 retailers£246 GBP to £1,243 GBP

A
Cheapest Retailer
-
£246 GBP
$330 USD
A
Retailer 2
-
£275 GBP
$368 USD
View
Final sale: no returns
A
Retailer 3
-
£286 GBP
$383 USD
View
A
Retailer 4
-
£305 GBP
$409 USD
View
A
Retailer 5
-
£305 GBP
$409 USD
View
A
Retailer 6
-
£410 GBP
$550 USD
View
A
Retailer 7
-
£422 GBP
$565 USD
View
A
Retailer 8
-
£495 GBP
€632 EUR
View
A
Retailer 9
-
£505 GBP
$676 USD
View
A
Retailer 10
-
£525 GBP
ZAR 11,356 ZAR
View
A
Retailer 11
-
£546 GBP
View
B+
Retailer 12
-
£896 GBP
$1,200 USD
View
B+
Retailer 13
-
£981 GBP
$1,315 USD
View
B+
Retailer 14
-
£1,010 GBP
$1,353 USD
View
B+
Retailer 15
-
£1,014 GBP
$1,359 USD
View
B+
Retailer 16
-
£1,154 GBP
$1,546 USD
View
B+
Retailer 17
-
£1,200 GBP
$1,608 USD
View
B+
Retailer 18
-
£1,230 GBP
View
Most Expensive
B+
Novita Diamonds
cert_640459908 · Oct 30
£1,243 GBP
A$2,563 AUD
View
18 more retailers have this diamond
Prices start from £246 GBPSave up to £997 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
1.77ct Emerald
£246 GBP