Emerald|Lab Grown|IGI

1.55ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG613359321

Shape and cutting style on the report: Emerald cut

Certificate IGI LG613359321

Diamond specifications and retailer prices

From £231 GBP
$309 USD
As of October 30, 2026
Save £3,128 GBP (93%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £3,358 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.55ct lab-grown emerald diamond

This 1.55ct 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 LG613359321 or 613359321. Listed at 26 retailers as of October 30, 2026, with prices from £231 to £3,358, a £3,128 spread on the same certified stone. Brilliant Earth lists it at £3,358. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613359321
Dimensions7.60 × 5.43 × 3.70 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
7.60 mm5.43 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613359321
Side View
Table 65.0%Crown 38.3°Girdle: Slightly ThickPavilion 38.6°Culet: LargeDepth 68.1%

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 30
Current: £3,358 GBP|Low: £230 GBP|High: £3,358 GBP|Avg: £809 GBP
Brilliant Earth
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November 1, 2026
Retailer 23£231 GBP
Retailer 17£258 GBP
Retailer 15£267 GBP
Retailer 8£286 GBP
Retailer 9£286 GBP
Retailer 7£315 GBP
Retailer 4£384 GBP
Retailer 22£403 GBP
Retailer 19£465 GBP
Retailer 24£480 GBP
Retailer 21£491 GBP
Retailer 13£504 GBP
Retailer 20£666 GBP
Retailer 3£740 GBP
Retailer 5£791 GBP
Retailer 11£916 GBP
Retailer 12£919 GBP
Retailer 16£953 GBP
Retailer 18£1,067 GBP
Retailer 6£1,115 GBP
Retailer 14£1,144 GBP
Retailer 2£1,145 GBP
Retailer 10£1,150 GBP
Brilliant Earth£3,358 GBP

34 data points across 24 retailers

26 retailers£231 GBP to £3,358 GBP

A
Cheapest Retailer
-
£231 GBP
$309 USD
A
Retailer 2
-
£258 GBP
$346 USD
View
Final sale: no returns
A
Retailer 3
-
£267 GBP
$358 USD
View
Retailer 4
-
£286 GBP
$383 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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£286 GBP
$383 USD
View
A
Retailer 6
-
£315 GBP
HK$3,300 HKD
View
A
Retailer 7
-
£384 GBP
$515 USD
View
A
Retailer 8
-
£403 GBP
$540 USD
View
A
Retailer 9
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£465 GBP
€594 EUR
View
A
Retailer 10
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£480 GBP
$643 USD
View
A
Retailer 11
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£491 GBP
ZAR 10,629 ZAR
View
A
Retailer 12
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£504 GBP
View
A
Retailer 13
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£666 GBP
A$1,373 AUD
View
B+
Retailer 14
-
£740 GBP
$992 USD
View
B+
Retailer 15
-
£791 GBP
$1,060 USD
View
Retailer 16
-
£797 GBP
$1,068 USD
View
Price last confirmed 46 days ago
B+
Retailer 17
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£916 GBP
SGD 1,658 SGD
View
B+
Retailer 18
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£919 GBP
$1,231 USD
View
B+
Retailer 19
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£953 GBP
$1,277 USD
View
B+
Retailer 20
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£1,007 GBP
$1,349 USD
View
B+
Retailer 21
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£1,067 GBP
A$2,200 AUD
View
B+
Retailer 22
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£1,115 GBP
View
B+
Retailer 23
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£1,144 GBP
$1,533 USD
View
B+
Retailer 24
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£1,145 GBP
View
B+
Retailer 25
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£1,150 GBP
$1,541 USD
View
Most Expensive
B
Brilliant Earth
14484377A · Oct 31
£3,358 GBP
$4,500 USD
View
25 more retailers have this diamond
Prices start from £231 GBPSave up to £3,128 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
1.55ct Emerald
£231 GBP