CaratHunter
Plans
Emerald|Lab Grown|IGI

1.51ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG732529758

Shape and cutting style on the report: Emerald cut

Certificate IGI LG732529758

Diamond specifications and retailer prices

From £181 GBP
$242 USD
As of October 30, 2026
Save £1,767 GBP (91%) vs most expensive(unlock to see where)
25 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 LG732529758 or 732529758. Listed at 25 retailers as of October 30, 2026, with prices from £181 to £1,948, a £1,767 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 angle24.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732529758
Dimensions8.06 × 5.48 × 3.45 mm
L/W Ratio1.47
Culet sizeLong
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
8.06 mm5.48 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732529758
Side View
Table 61.0%Crown 24.5°Girdle: MediumPavilion 40.4°Culet: LNGDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,948 GBP|Low: £174 GBP|High: £3,247 GBP|Avg: £760 GBP|-40.0%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
November 1, 2026
Retailer 24£181 GBP
Retailer 23£210 GBP
Retailer 22£213 GBP
Retailer 4£224 GBP
Retailer 16£344 GBP
Retailer 7£351 GBP
Retailer 19£411 GBP
Retailer 12£411 GBP
Retailer 20£425 GBP
Retailer 13£474 GBP
Retailer 14£508 GBP
Retailer 15£550 GBP
Retailer 21£575 GBP
Retailer 8£580 GBP
Retailer 5£723 GBP
Retailer 25£796 GBP
Retailer 10£911 GBP
Retailer 17£921 GBP
Retailer 18£990 GBP
Retailer 9£990 GBP
Retailer 2£991 GBP
Retailer 6£1,051 GBP
Retailer 3£1,661 GBP
Retailer 11£1,739 GBP
Brilliant Earth£1,948 GBP

37 data points across 25 retailers

25 retailers£181 GBP to £1,948 GBP

A
Cheapest Retailer
-
£181 GBP
$242 USD
A
Retailer 2
-
£210 GBP
$281 USD
View
A
Retailer 3
-
£213 GBP
$285 USD
View
Final sale: no returns
A
Retailer 4
-
£224 GBP
$300 USD
View
A
Retailer 5
-
£344 GBP
HK$3,600 HKD
View
A
Retailer 6
-
£351 GBP
$470 USD
View
A
Retailer 7
-
£411 GBP
€524 EUR
View
A
Retailer 8
-
£411 GBP
$551 USD
View
A
Retailer 9
-
£425 GBP
ZAR 9,202 ZAR
View
A
Retailer 10
-
£474 GBP
View
A
Retailer 11
-
£508 GBP
A$1,048 AUD
View
A
Retailer 12
-
£550 GBP
$737 USD
View
A
Retailer 13
-
£575 GBP
A$1,186 AUD
View
A
Retailer 14
-
£580 GBP
$777 USD
View
B+
Retailer 15
-
£723 GBP
$969 USD
View
B+
Retailer 16
-
£796 GBP
$1,066 USD
View
B+
Retailer 17
-
£911 GBP
$1,221 USD
View
B+
Retailer 18
-
£921 GBP
$1,234 USD
View
B+
Retailer 19
-
£990 GBP
SGD 1,792 SGD
View
B+
Retailer 20
-
£990 GBP
$1,327 USD
View
B+
Retailer 21
-
£991 GBP
View
Retailer 22
-
£1,051 GBP
A$2,167 AUD
View
Price last confirmed 24 days ago
B
Retailer 23
-
£1,661 GBP
$2,225 USD
View
B
Retailer 24
-
£1,739 GBP
$2,330 USD
View
Most Expensive
B
Brilliant Earth
16223178Y · Oct 31
£1,948 GBP
$2,610 USD
View
24 more retailers have this diamond
Prices start from £181 GBPSave up to £1,767 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
£181 GBP