CaratHunter
Plans
Emerald|Lab Grown|IGI

1.52ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG639486103

Shape and cutting style on the report: Emerald cut

Certificate IGI LG639486103

Diamond specifications and retailer prices

From £207 GBP
As of November 6, 2026
Save £505 GBP (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £743 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG639486103 or 639486103. Listed at 6 retailers as of November 4, 2026, with a 245% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639486103
Dimensions8.22 × 5.19 × 3.60 mm
L/W Ratio1.58
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.22 mm5.19 mm1.52 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639486103
Side View
Table 66.0%Crown 38.6°Girdle: Slightly ThickPavilion 40.1°Culet: LNGDepth 69.4%

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 6
Current: £743 GBP|Low: £207 GBP|High: £771 GBP|Avg: £477 GBP|-3.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4£207 GBP
Retailer 2£267 GBP
Retailer 5£347 GBP
Retailer 6£531 GBP
Retailer 7£539 GBP
Retailer 3£712 GBP
Rare Carat£743 GBP

21 data points across 7 retailers

6 retailers£207 GBP to £712 GBP

B+
Cheapest Retailer
-
£207 GBP
A
Retailer 2
-
£267 GBP
View
B+
Retailer 3
-
£347 GBP
View
B+
Retailer 4
-
£531 GBP
View
B
Retailer 5
-
£712 GBP
View
Most Expensive
Rare Carat
C-159_l_639486103 · Oct 28
£743 GBP
$1,000 USD
View
Price last confirmed 8 days ago
5 more retailers have this diamond
Prices start from £207 GBPSave up to £505 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
£207 GBP