Emerald|Lab Grown|IGI

1.29ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG818689408

Shape and cutting style on the report: Emerald cut

Certificate IGI LG818689408

Diamond specifications and retailer prices

From £251 GBP
$336 USD
As of October 30, 2026
Save £2,100 GBP (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,351 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.29ct lab-grown emerald diamond

This 1.29ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818689408 or 818689408. Listed at 20 retailers as of October 30, 2026, with prices from £251 to £2,351, a £2,100 spread on the same certified stone. Brilliant Earth lists it at £2,351. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818689408
Dimensions7.23 × 4.96 × 3.55 mm
L/W Ratio1.46
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
7.23 mm4.96 mm1.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818689408
Side View
Table 59.0%Crown 33.4°Girdle: Slightly ThickPavilion 40.2°Culet: LargeDepth 71.6%

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: £2,351 GBP|Low: £251 GBP|High: £2,530 GBP|Avg: £775 GBP|-7.1%
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
October 31, 2026
Retailer 11£251 GBP
Retailer 4£285 GBP
Retailer 6£285 GBP
Retailer 10£375 GBP
Retailer 7£396 GBP
Retailer 14£457 GBP
Retailer 3£490 GBP
Retailer 2£494 GBP
Retailer 9£655 GBP
Retailer 8£674 GBP
Retailer 13£930 GBP
Retailer 12£1,131 GBP
Retailer 5£1,145 GBP
Brilliant Earth£2,351 GBP

36 data points across 14 retailers

20 retailers£251 GBP to £2,351 GBP

A
Cheapest Retailer
-
£251 GBP
$336 USD
Final sale: no returns
Retailer 2
-
£254 GBP
$341 USD
View
Price last confirmed 29 days ago
A
Retailer 3
-
£285 GBP
$382 USD
View
A
Retailer 4
-
£285 GBP
$382 USD
View
Retailer 5
-
£307 GBP
$412 USD
View
Price last confirmed 21 days ago
Retailer 6
-
£328 GBP
$440 USD
View
Price last confirmed 28 days ago
Retailer 7
-
£363 GBP
HK$3,800 HKD
View
Price last confirmed 57 days ago
A
Retailer 8
-
£375 GBP
$502 USD
View
A
Retailer 9
-
£396 GBP
$530 USD
View
A
Retailer 10
-
£457 GBP
€583 EUR
View
A
Retailer 11
-
£490 GBP
ZAR 10,616 ZAR
View
A
Retailer 12
-
£494 GBP
View
B+
Retailer 13
-
£655 GBP
$878 USD
View
B+
Retailer 14
-
£674 GBP
$903 USD
View
Retailer 15
-
£884 GBP
$1,184 USD
View
Price last confirmed 25 days ago
B+
Retailer 16
-
£930 GBP
$1,246 USD
View
Retailer 17
-
£1,057 GBP
$1,416 USD
View
Price last confirmed 23 days ago
B
Retailer 18
-
£1,131 GBP
$1,515 USD
View
B
Retailer 19
-
£1,145 GBP
View
Most Expensive
B
Brilliant Earth
20960833A · Oct 30
£2,351 GBP
$3,150 USD
View
19 more retailers have this diamond
Prices start from £251 GBPSave up to £2,100 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
1.29ct Emerald
£251 GBP