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Emerald|Lab Grown|IGI

1.79ct F VS1 Emerald Lab Grown Diamond

EX • F/VS1 • IGI LG688517331

Shape and cutting style on the report: Emerald cut

Certificate IGI LG688517331

Diamond specifications and retailer prices

From £258 GBP
$346 USD
As of October 30, 2026
Save £1,525 GBP (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,784 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.79ct lab-grown emerald diamond

This 1.79ct lab-grown emerald sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG688517331 or 688517331. Listed at 18 retailers as of October 30, 2026, with prices from £258 to £1,784, a £1,525 spread on the same certified stone. Brilliant Earth lists it at £1,784. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.79
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688517331
Dimensions8.35 × 5.63 × 3.87 mm
L/W Ratio1.48
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.35 mm5.63 mm1.79 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG688517331
Side View
Table 63.0%Crown 33.9°Girdle: MediumPavilion 39.5°Culet: LargeDepth 68.7%

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 30
Current: £1,784 GBP|Low: £258 GBP|High: £1,993 GBP|Avg: £726 GBP|-7.7%
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
November 1, 2026
Retailer 5£258 GBP
Retailer 14£267 GBP
Retailer 12£286 GBP
Retailer 4£466 GBP
Retailer 11£466 GBP
Retailer 10£491 GBP
Retailer 2£505 GBP
Retailer 7£505 GBP
Retailer 9£667 GBP
Retailer 13£878 GBP
Retailer 6£1,042 GBP
Retailer 3£1,099 GBP
Retailer 8£1,153 GBP
Brilliant Earth£1,784 GBP

42 data points across 14 retailers

18 retailers£258 GBP to £1,784 GBP

Retailer 1
-
£231 GBP
$309 USD
Price last confirmed 13 days ago
A
Retailer 2
-
£258 GBP
$346 USD
View
Final sale: no returns
Retailer 3
-
£267 GBP
$358 USD
View
Price last confirmed 12 days ago
Retailer 4
-
£286 GBP
$383 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£466 GBP
$624 USD
View
A
Retailer 6
-
£466 GBP
$625 USD
View
A
Retailer 7
-
£491 GBP
ZAR 10,637 ZAR
View
A
Retailer 8
-
£505 GBP
View
A
Retailer 9
-
£505 GBP
€645 EUR
View
B+
Retailer 10
-
£532 GBP
$713 USD
View
B+
Retailer 11
-
£667 GBP
A$1,374 AUD
View
B
Retailer 12
-
£878 GBP
$1,177 USD
View
Retailer 13
-
£919 GBP
$1,232 USD
View
Price last confirmed 14 days ago
B
Retailer 14
-
£1,042 GBP
SGD 1,886 SGD
View
B
Retailer 15
-
£1,099 GBP
$1,473 USD
View
B
Retailer 16
-
£1,153 GBP
View
B
Retailer 17
-
£1,303 GBP
$1,746 USD
View
Most Expensive
B
Brilliant Earth
15179887A · Oct 31
£1,784 GBP
$2,390 USD
View
17 more retailers have this diamond
Prices start from £258 GBPSave up to £1,525 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
1.79ct Emerald
£258 GBP