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Emerald|Lab Grown|IGI

1.51ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG743523441

Shape and cutting style on the report: Emerald cut

Certificate IGI LG743523441

Diamond specifications and retailer prices

From £199 GBP
$267 USD
As of October 30, 2026
Save £2,435 GBP (92%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,635 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown emerald diamond

This 1.51ct 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 LG743523441 or 743523441. Listed at 25 retailers as of October 30, 2026, with prices from £199 to £2,635, a £2,435 spread on the same certified stone. Brilliant Earth lists it at £2,635. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743523441
Dimensions7.74 × 5.43 × 3.51 mm
L/W Ratio1.43
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
7.74 mm5.43 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743523441
Side View
Table 63.0%Crown 33.4°Girdle: Slightly ThickPavilion 38.8°Culet: LargeDepth 64.6%

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: £2,635 GBP|Low: £192 GBP|High: £3,261 GBP|Avg: £752 GBP|-19.2%
Brilliant Earth
Retailer 2
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November 1, 2026
Retailer 3£199 GBP
Retailer 19£222 GBP
Retailer 25£231 GBP
Retailer 6£248 GBP
Retailer 15£287 GBP
Retailer 8£351 GBP
Retailer 20£366 GBP
Retailer 22£411 GBP
Retailer 23£425 GBP
Retailer 12£443 GBP
Retailer 13£474 GBP
Retailer 14£550 GBP
Retailer 24£575 GBP
Retailer 9£745 GBP
Retailer 7£761 GBP
Retailer 4£796 GBP
Retailer 18£813 GBP
Retailer 16£834 GBP
Retailer 17£837 GBP
Retailer 11£952 GBP
Retailer 2£991 GBP
Retailer 21£1,041 GBP
Retailer 10£1,051 GBP
Retailer 5£1,687 GBP
Brilliant Earth£2,635 GBP

33 data points across 25 retailers

25 retailers£199 GBP to £2,635 GBP

A
Cheapest Retailer
-
£199 GBP
$267 USD
A
Retailer 2
-
£222 GBP
$298 USD
View
Final sale: no returns
A
Retailer 3
-
£231 GBP
$310 USD
View
A
Retailer 4
-
£248 GBP
$332 USD
View
A
Retailer 5
-
£287 GBP
HK$3,000 HKD
View
A
Retailer 6
-
£351 GBP
$470 USD
View
A
Retailer 7
-
£366 GBP
$490 USD
View
A
Retailer 8
-
£411 GBP
€524 EUR
View
A
Retailer 9
-
£425 GBP
ZAR 9,202 ZAR
View
A
Retailer 10
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£443 GBP
$594 USD
View
A
Retailer 11
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£474 GBP
View
A
Retailer 12
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£550 GBP
$737 USD
View
A
Retailer 13
-
£575 GBP
A$1,186 AUD
View
B+
Retailer 14
-
£745 GBP
$998 USD
View
B+
Retailer 15
-
£761 GBP
$1,019 USD
View
B+
Retailer 16
-
£796 GBP
$1,066 USD
View
B+
Retailer 17
-
£813 GBP
$1,089 USD
View
B+
Retailer 18
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£834 GBP
$1,117 USD
View
B+
Retailer 19
-
£837 GBP
SGD 1,516 SGD
View
B+
Retailer 20
-
£952 GBP
$1,276 USD
View
B+
Retailer 21
-
£991 GBP
View
B+
Retailer 22
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£1,041 GBP
A$2,145 AUD
View
B+
Retailer 23
-
£1,051 GBP
$1,409 USD
View
B
Retailer 24
-
£1,687 GBP
$2,260 USD
View
Most Expensive
B
Brilliant Earth
16656459A · Oct 31
£2,635 GBP
$3,530 USD
View
24 more retailers have this diamond
Prices start from £199 GBPSave up to £2,435 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
1.51ct Emerald
£199 GBP