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Emerald|Lab Grown|IGI

1.39ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG564374420

Shape and cutting style on the report: Emerald cut

Certificate IGI LG564374420

Diamond specifications and retailer prices

From £149 GBP
As of November 6, 2026
Save £1,278 GBP (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,427 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.39ct lab-grown emerald diamond

This 1.39ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG564374420 or 564374420. Listed at 13 retailers as of November 4, 2026, with prices from £149 to £1,427, a £1,278 spread on the same certified stone. Do Amore Diamonds lists it at £1,427. 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

1.39
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG564374420
Dimensions7.54 × 5.21 × 3.59 mm
L/W Ratio1.45
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
7.54 mm5.21 mm1.39 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG564374420
Side View
Table 65.5%Crown 31.1°Girdle: Slightly ThickPavilion 41.8°Culet: LNGDepth 68.9%

Caratlytics Score

How it works →
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: Nov 6
Current: £1,427 GBP|Low: £133 GBP|High: £1,427 GBP|Avg: £429 GBP|+32.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10£149 GBP
Retailer 9£172 GBP
Retailer 7£184 GBP
Retailer 12£184 GBP
Retailer 11£242 GBP
Retailer 6£321 GBP
Retailer 2£374 GBP
Retailer 3£426 GBP
Retailer 4£568 GBP
Retailer 8£652 GBP
Retailer 5£811 GBP
Do Amore Diamonds£1,427 GBP

45 data points across 12 retailers

13 retailers£149 GBP to £1,427 GBP

A
Cheapest Retailer
-
£149 GBP
A
Retailer 2
-
£172 GBP
View
Retailer 3
-
£184 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
£184 GBP
View
B+
Retailer 5
-
£242 GBP
View
Retailer 6
-
£321 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£374 GBP
View
B+
Retailer 8
-
£426 GBP
View
Retailer 9
-
£568 GBP
View
Price last confirmed 30 days ago
B
Retailer 10
-
£652 GBP
View
B
Retailer 11
-
£811 GBP
View
B
Retailer 12
-
£1,100 GBP
View
Most Expensive
B
Do Amore Diamonds
27-A5C0265B6 · Nov 4
£1,427 GBP
$1,920 USD
View
12 more retailers have this diamond
Prices start from £149 GBPSave up to £1,278 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
1.39ct Emerald
£149 GBP