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Emerald|Lab Grown|IGI

1.03ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG805666661

Shape and cutting style on the report: Emerald cut

Certificate IGI LG805666661

Diamond specifications and retailer prices

From £106 GBP
As of November 6, 2026
Save £645 GBP (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £750 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.03ct lab-grown emerald diamond

This 1.03ct 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 LG805666661 or 805666661. Listed at 17 retailers as of November 4, 2026, with prices from £106 to £750, a £645 spread on the same certified stone. Reve Diamonds lists it at £750. 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

1.03
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805666661
Dimensions6.72 × 4.81 × 3.29 mm
L/W Ratio1.40
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
6.72 mm4.81 mm1.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805666661
Side View
Table 62.0%Crown 33.8°Girdle: MediumPavilion 38°Culet: LargeDepth 68.4%

Caratlytics Score

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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: £222 GBP|Low: £100 GBP|High: £750 GBP|Avg: £285 GBP|+6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Reve Diamonds
November 6, 2026
Retailer 4£106 GBP
Retailer 12£123 GBP
Retailer 15£128 GBP
Retailer 7£129 GBP
Retailer 10£131 GBP
Retailer 1£222 GBP
Retailer 6£224 GBP
Retailer 2£244 GBP
Retailer 3£249 GBP
Retailer 9£344 GBP
Retailer 13£369 GBP
Retailer 11£421 GBP
Retailer 5£462 GBP
Retailer 14£490 GBP
Retailer 8£611 GBP
Reve Diamonds£750 GBP

46 data points across 16 retailers

17 retailers£106 GBP to £750 GBP

A
Cheapest Retailer
-
£106 GBP
A
Retailer 2
-
£123 GBP
View
A
Retailer 3
-
£128 GBP
View
Final sale: no returns
Retailer 4
-
£129 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£131 GBP
View
A
Retailer 6
-
£222 GBP
View
Retailer 7
-
£224 GBP
View
Price last confirmed 8 days ago
A
Retailer 8
-
£244 GBP
View
A
Retailer 9
-
£249 GBP
View
B+
Retailer 10
-
£344 GBP
View
Retailer 11
-
£351 GBP
View
Price last confirmed 81 days ago
B+
Retailer 12
-
£369 GBP
View
B
Retailer 13
-
£421 GBP
View
B
Retailer 14
-
£462 GBP
View
B
Retailer 15
-
£490 GBP
View
B
Retailer 16
-
£611 GBP
View
Most Expensive
B
Reve Diamonds
46C1D46D2 · Nov 4
£750 GBP
$1,010 USD
View
16 more retailers have this diamond
Prices start from £106 GBPSave up to £645 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
1.03ct Emerald
£106 GBP