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Emerald|Lab Grown|IGI

1.51ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG692559570

Shape and cutting style on the report: Emerald cut

Certificate IGI LG692559570

Diamond specifications and retailer prices

From £213 GBP
$285 USD
As of October 30, 2026
Save £1,735 GBP (89%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: £1,948 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 LG692559570 or 692559570. Listed at 30 retailers as of October 30, 2026, with prices from £213 to £1,948, a £1,735 spread on the same certified stone. Brilliant Earth lists it at £1,948. 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 angle35.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG692559570
Dimensions7.71 × 5.52 × 3.61 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
7.71 mm5.52 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG692559570
Side View
Table 61.0%Crown 35.1°Girdle: Slightly ThickPavilion 40°Culet: LargeDepth 65.4%

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: £1,948 GBP|Low: £181 GBP|High: £3,247 GBP|Avg: £683 GBP|-40.0%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 11
Retailer 12
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Retailer 19
November 1, 2026
Retailer 9£181 GBP
Retailer 6£210 GBP
Retailer 17£213 GBP
Retailer 10£221 GBP
Retailer 3£351 GBP
Retailer 13£411 GBP
Retailer 8£411 GBP
Retailer 14£425 GBP
Retailer 2£474 GBP
Retailer 15£575 GBP
Retailer 11£580 GBP
Retailer 19£723 GBP
Retailer 5£796 GBP
Retailer 4£911 GBP
Retailer 7£990 GBP
Retailer 16£993 GBP
Retailer 12£1,041 GBP
Retailer 18£1,661 GBP
Brilliant Earth£1,948 GBP

45 data points across 19 retailers

30 retailers£213 GBP to £1,948 GBP

Retailer 1
-
£181 GBP
$242 USD
Price last confirmed 32 days ago
Retailer 2
-
£210 GBP
$281 USD
View
Price last confirmed 18 days ago
Retailer 3
-
£210 GBP
$281 USD
View
Price last confirmed 37 days ago
A
Retailer 4
-
£213 GBP
$285 USD
View
Final sale: no returns
Retailer 5
-
£221 GBP
$296 USD
View
Price last confirmed 33 days ago
A
Retailer 6
-
£224 GBP
$300 USD
View
Retailer 7
-
£224 GBP
$300 USD
View
Price last confirmed 29 days ago
Retailer 8
-
£224 GBP
$300 USD
View
Price last confirmed 22 days ago
A
Retailer 9
-
£344 GBP
HK$3,600 HKD
View
A
Retailer 10
-
£351 GBP
$470 USD
View
A
Retailer 11
-
£411 GBP
€524 EUR
View
A
Retailer 12
-
£411 GBP
$551 USD
View
A
Retailer 13
-
£425 GBP
ZAR 9,202 ZAR
View
A
Retailer 14
-
£474 GBP
View
A
Retailer 15
-
£550 GBP
$737 USD
View
A
Retailer 16
-
£575 GBP
A$1,186 AUD
View
A
Retailer 17
-
£580 GBP
$777 USD
View
B+
Retailer 18
-
£723 GBP
$969 USD
View
Retailer 19
-
£796 GBP
$1,066 USD
View
Price last confirmed 22 days ago
Retailer 20
-
£796 GBP
$1,066 USD
View
Price last confirmed 31 days ago
Retailer 21
-
£796 GBP
$1,066 USD
View
Price last confirmed 24 days ago
B+
Retailer 22
-
£911 GBP
$1,221 USD
View
B+
Retailer 23
-
£921 GBP
$1,234 USD
View
B+
Retailer 24
-
£990 GBP
SGD 1,792 SGD
View
B+
Retailer 25
-
£990 GBP
$1,327 USD
View
B+
Retailer 26
-
£993 GBP
View
B+
Retailer 27
-
£1,041 GBP
A$2,145 AUD
View
B
Retailer 28
-
£1,661 GBP
$2,225 USD
View
B
Retailer 29
-
£1,739 GBP
$2,330 USD
View
Most Expensive
B
Brilliant Earth
15114277Y · Oct 31
£1,948 GBP
$2,610 USD
View
29 more retailers have this diamond
Prices start from £213 GBPSave up to £1,735 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
£213 GBP