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Emerald|Lab Grown|IGI

1.04ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG678583320

Shape and cutting style on the report: Emerald cut

Certificate IGI LG678583320

Diamond specifications and retailer prices

From £155 GBP
$206 USD
As of October 30, 2026
Save £1,137 GBP (88%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,292 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.04ct lab-grown emerald diamond

This 1.04ct lab-grown emerald sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678583320 or 678583320. Listed at 9 retailers as of October 29, 2026, with prices from £155 to £1,292, a £1,137 spread on the same certified stone. Do Amore Diamonds lists it at £1,292. 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

1.04
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40.6°
Pavilion angle43.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678583320
Dimensions6.59 × 4.79 × 3.32 mm
L/W Ratio1.38
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
6.59 mm4.79 mm1.04 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG678583320
Side View
Table 65.0%Crown 40.6°Girdle: MED-STKPavilion 43.3°Culet: LargeDepth 69.3%

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: Oct 30
Current: £1,292 GBP|Low: £149 GBP|High: £1,292 GBP|Avg: £488 GBP
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
Retailer 13
October 29, 2026
Retailer 8£155 GBP
Retailer 10£179 GBP
Retailer 13£192 GBP
Retailer 11£332 GBP
Retailer 3£337 GBP
Retailer 12£369 GBP
Retailer 6£372 GBP
Retailer 4£403 GBP
Retailer 7£619 GBP
Retailer 5£658 GBP
Retailer 9£681 GBP
Retailer 2£854 GBP
Do Amore Diamonds£1,292 GBP

24 data points across 13 retailers

9 retailers£155 GBP to £1,292 GBP

A
Cheapest Retailer
-
£155 GBP
$206 USD
A
Retailer 2
-
£179 GBP
$239 USD
View
B+
Retailer 3
-
£332 GBP
$442 USD
View
B
Retailer 4
-
£369 GBP
$492 USD
View
B+
Retailer 5
-
£372 GBP
$495 USD
View
B
Retailer 6
-
£619 GBP
$824 USD
View
B
Retailer 7
-
£681 GBP
$907 USD
View
B
Retailer 8
-
£854 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1675309 · Oct 29
£1,292 GBP
$1,720 USD
View
8 more retailers have this diamond
Prices start from £155 GBPSave up to £1,137 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
1.04ct Emerald
£155 GBP