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Emerald|Lab Grown|IGI

1.91ct E IF Emerald Lab Grown Diamond

EX • E/IF • IGI LG780636733

Shape and cutting style on the report: Emerald cut

Certificate IGI LG780636733

Diamond specifications and retailer prices

From £213 GBP
$284 USD
As of October 27, 2026
Save £2,670 GBP (93%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,884 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.91ct lab-grown emerald diamond

This 1.91ct 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 LG780636733 or 780636733. Listed at 21 retailers as of October 27, 2026, with prices from £213 to £2,884, a £2,670 spread on the same certified stone. Brilliant Earth lists it at £2,884. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780636733
Dimensions8.66 × 5.80 × 3.72 mm
L/W Ratio1.49
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
8.66 mm5.80 mm1.91 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780636733
Side View
Table 63.0%Crown 35°Girdle: MediumPavilion 41.7°Culet: LargeDepth 64.1%

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 27
Current: £520 GBP|Low: £239 GBP|High: £2,249 GBP|Avg: £847 GBP|-3.3%
Retailer 1
Retailer 2
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Retailer 11
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Retailer 17
October 29, 2026
Retailer 5£239 GBP
Retailer 2£247 GBP
Retailer 13£383 GBP
Retailer 7£435 GBP
Retailer 12£502 GBP
Retailer 1£520 GBP
Retailer 3£529 GBP
Retailer 11£680 GBP
Retailer 14£739 GBP
Retailer 4£917 GBP
Retailer 16£1,017 GBP
Retailer 6£1,061 GBP
Retailer 17£1,087 GBP
Retailer 10£1,176 GBP
Retailer 8£1,256 GBP
Retailer 15£1,892 GBP
Retailer 9£2,227 GBP

41 data points across 17 retailers

21 retailers£213 GBP to £2,884 GBP

A
Cheapest Retailer
-
£213 GBP
$284 USD
A
Retailer 2
-
£239 GBP
$318 USD
View
Final sale: no returns
A
Retailer 3
-
£247 GBP
$329 USD
View
A
Retailer 4
-
£264 GBP
$352 USD
View
A
Retailer 5
-
£383 GBP
$510 USD
View
A
Retailer 6
-
£435 GBP
$579 USD
View
A
Retailer 7
-
£502 GBP
ZAR 10,789 ZAR
View
A
Retailer 8
-
£520 GBP
View
A
Retailer 9
-
£529 GBP
$704 USD
View
A
Retailer 10
-
£680 GBP
A$1,394 AUD
View
A
Retailer 11
-
£739 GBP
$984 USD
View
B+
Retailer 12
-
£917 GBP
$1,221 USD
View
B+
Retailer 13
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£938 GBP
$1,249 USD
View
B+
Retailer 14
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£1,017 GBP
$1,354 USD
View
B+
Retailer 15
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£1,061 GBP
$1,412 USD
View
B+
Retailer 16
-
£1,087 GBP
SGD 1,957 SGD
View
B+
Retailer 17
-
£1,176 GBP
View
B+
Retailer 18
-
£1,256 GBP
A$2,574 AUD
View
Price last confirmed 21 days ago
B
Retailer 19
-
£1,892 GBP
$2,520 USD
View
B
Retailer 20
-
£2,227 GBP
$2,965 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
22138651Y · Oct 28
£2,884 GBP
$3,840 USD
View
20 more retailers have this diamond
Prices start from £213 GBPSave up to £2,670 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
1.91ct Emerald
£213 GBP