Emerald|Lab Grown|IGI

1.52ct D SI1 Emerald Lab Grown Diamond

EX • D/SI1 • IGI LG566392678

Shape and cutting style on the report: Emerald cut

Certificate IGI LG566392678

Diamond specifications and retailer prices

From £183 GBP
As of November 5, 2026
Save £1,214 GBP (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,397 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.52ct lab-grown emerald diamond

This 1.52ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG566392678 or 566392678. Listed at 10 retailers as of November 4, 2026, with prices from £183 to £1,397, a £1,214 spread on the same certified stone. Brilliant Earth lists it at £1,397. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.52
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle45.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566392678
Dimensions7.69 × 5.48 × 3.71 mm
L/W Ratio1.40
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
7.69 mm5.48 mm1.52 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566392678
Side View
Table 65.5%Crown 36.4°Girdle: MED-STKPavilion 45.6°Culet: LNGDepth 67.7%

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: Nov 5
Current: £1,397 GBP|Low: £109 GBP|High: £1,397 GBP|Avg: £465 GBP|+32.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 3£109 GBP
Retailer 9£183 GBP
Retailer 10£212 GBP
Retailer 7£254 GBP
Retailer 2£287 GBP
Retailer 8£348 GBP
Retailer 5£535 GBP
Retailer 6£619 GBP
Retailer 4£813 GBP
Retailer 11£1,219 GBP
Brilliant Earth£1,397 GBP

18 data points across 11 retailers

10 retailers£183 GBP to £1,397 GBP

A
Cheapest Retailer
-
£183 GBP
B+
Retailer 2
-
£212 GBP
View
A
Retailer 3
-
£254 GBP
View
Retailer 4
-
£287 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£348 GBP
View
B
Retailer 6
-
£594 GBP
View
B
Retailer 7
-
£619 GBP
View
Retailer 8
-
£813 GBP
View
Price last confirmed 11 days ago
B
Retailer 9
-
£1,219 GBP
View
Most Expensive
C
Brilliant Earth
16282732A · Nov 4
£1,397 GBP
$1,880 USD
View
9 more retailers have this diamond
Prices start from £183 GBPSave up to £1,214 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
1.52ct Emerald
£183 GBP