CaratHunter
Plans
Emerald|Lab Grown|IGI

1.77ct D FL Emerald Lab Grown Diamond

EX • D/FL • IGI LG818651090

Shape and cutting style on the report: Emerald cut

Certificate IGI LG818651090

Diamond specifications and retailer prices

From £392 GBP
$525 USD
As of October 30, 2026
Save £2,608 GBP (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £3,000 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818651090 or 818651090. Listed at 23 retailers as of October 30, 2026, with prices from £392 to £3,000, a £2,608 spread on the same certified stone. Brilliant Earth lists it at £3,000. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818651090
Dimensions7.96 × 5.68 × 3.91 mm
L/W Ratio1.40
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
7.96 mm5.68 mm1.77 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818651090
Side View
Table 65.0%Crown 37.8°Girdle: MediumPavilion 42.2°Culet: LargeDepth 68.8%

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: Oct 30
Current: £3,000 GBP|Low: £392 GBP|High: £4,224 GBP|Avg: £1,223 GBP|-29.0%
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
Retailer 16
October 30, 2026
Retailer 10£392 GBP
Retailer 6£501 GBP
Retailer 7£505 GBP
Retailer 9£582 GBP
Retailer 16£593 GBP
Retailer 14£663 GBP
Retailer 12£720 GBP
Retailer 15£758 GBP
Retailer 4£1,028 GBP
Retailer 5£1,047 GBP
Retailer 13£1,417 GBP
Retailer 8£1,467 GBP
Retailer 11£1,531 GBP
Retailer 2£1,623 GBP
Retailer 3£1,624 GBP
Brilliant Earth£3,000 GBP

35 data points across 16 retailers

23 retailers£392 GBP to £3,000 GBP

Retailer 1
-
£391 GBP
$524 USD
Price last confirmed 28 days ago
A
Retailer 2
-
£392 GBP
$525 USD
View
Final sale: no returns
Retailer 3
-
£457 GBP
$612 USD
View
Price last confirmed 20 days ago
Retailer 4
-
£501 GBP
$671 USD
View
Price last confirmed 14 days ago
Retailer 5
-
£501 GBP
$671 USD
View
Price last confirmed 13 days ago
Retailer 6
-
£505 GBP
$677 USD
View
Price last confirmed 27 days ago
Retailer 7
-
£554 GBP
HK$5,800 HKD
View
Price last confirmed 56 days ago
A
Retailer 8
-
£582 GBP
$780 USD
View
A
Retailer 9
-
£593 GBP
$795 USD
View
A
Retailer 10
-
£663 GBP
€846 EUR
View
A
Retailer 11
-
£720 GBP
View
A
Retailer 12
-
£758 GBP
ZAR 16,417 ZAR
View
B+
Retailer 13
-
£1,028 GBP
$1,378 USD
View
B+
Retailer 14
-
£1,047 GBP
$1,403 USD
View
Retailer 15
-
£1,208 GBP
$1,619 USD
View
Price last confirmed 25 days ago
Retailer 16
-
£1,330 GBP
$1,782 USD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
£1,417 GBP
$1,899 USD
View
B
Retailer 18
-
£1,419 GBP
$1,901 USD
View
Retailer 19
-
£1,467 GBP
View
Price last confirmed 20 days ago
B+
Retailer 20
-
£1,531 GBP
$2,052 USD
View
B+
Retailer 21
-
£1,623 GBP
$2,175 USD
View
B
Retailer 22
-
£1,624 GBP
View
Most Expensive
B
Brilliant Earth
21093867A · Oct 30
£3,000 GBP
$4,020 USD
View
22 more retailers have this diamond
Prices start from £392 GBPSave up to £2,608 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
£392 GBP