Emerald|Lab Grown|IGI

1.78ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG825632041

Shape and cutting style on the report: Emerald cut

Certificate IGI LG825632041

Diamond specifications and retailer prices

From £352 GBP
$471 USD
As of October 30, 2026
Save £3,895 GBP (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,247 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.78ct lab-grown emerald diamond

This 1.78ct 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 LG825632041 or 825632041. Listed at 21 retailers as of October 29, 2026, with prices from £352 to £4,247, a £3,895 spread on the same certified stone. Brilliant Earth lists it at £4,247. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825632041
Dimensions8.33 × 5.59 × 3.83 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
8.33 mm5.59 mm1.78 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825632041
Side View
Table 62.0%Crown 35.6°Girdle: MediumPavilion 40.7°Culet: LargeDepth 68.5%

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: £4,247 GBP|Low: £352 GBP|High: £4,381 GBP|Avg: £1,521 GBP|-3.1%
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 9£352 GBP
Retailer 6£394 GBP
Retailer 11£394 GBP
Retailer 20£436 GBP
Retailer 18£541 GBP
Retailer 15£667 GBP
Retailer 8£681 GBP
Retailer 13£724 GBP
Retailer 17£750 GBP
Retailer 19£1,017 GBP
Retailer 4£1,057 GBP
Retailer 14£1,274 GBP
Retailer 10£1,385 GBP
Retailer 3£1,402 GBP
Retailer 5£1,424 GBP
Retailer 2£1,532 GBP
Retailer 16£1,611 GBP
Retailer 7£1,899 GBP
Retailer 12£3,243 GBP
Brilliant Earth£4,247 GBP

35 data points across 20 retailers

21 retailers£352 GBP to £4,247 GBP

A
Cheapest Retailer
-
£352 GBP
$471 USD
A
Retailer 2
-
£394 GBP
$528 USD
View
Final sale: no returns
A
Retailer 3
-
£394 GBP
$528 USD
View
A
Retailer 4
-
£436 GBP
$584 USD
View
Retailer 5
-
£475 GBP
$636 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£541 GBP
$725 USD
View
A
Retailer 7
-
£667 GBP
€851 EUR
View
A
Retailer 8
-
£681 GBP
$913 USD
View
A
Retailer 9
-
£724 GBP
View
A
Retailer 10
-
£750 GBP
ZAR 16,226 ZAR
View
B+
Retailer 11
-
£1,017 GBP
$1,362 USD
View
B+
Retailer 12
-
£1,057 GBP
$1,416 USD
View
B+
Retailer 13
-
£1,274 GBP
View
B+
Retailer 14
-
£1,385 GBP
SGD 2,507 SGD
View
B
Retailer 15
-
£1,402 GBP
$1,879 USD
View
B+
Retailer 16
-
£1,424 GBP
$1,908 USD
View
B+
Retailer 17
-
£1,532 GBP
$2,053 USD
View
B+
Retailer 18
-
£1,611 GBP
View
B+
Retailer 19
-
£1,899 GBP
$2,545 USD
View
B
Retailer 20
-
£3,243 GBP
$4,345 USD
View
Most Expensive
B
Brilliant Earth
21418962A · Oct 29
£4,247 GBP
$5,690 USD
View
20 more retailers have this diamond
Prices start from £352 GBPSave up to £3,895 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
1.78ct Emerald
£352 GBP