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Emerald|Lab Grown|IGI

1.15ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG700575647

Shape and cutting style on the report: Emerald cut

Certificate IGI LG700575647

Diamond specifications and retailer prices

From £182 GBP
As of November 6, 2026
Save £812 GBP (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £994 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.15ct lab-grown emerald diamond

This 1.15ct 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 LG700575647 or 700575647. Listed at 16 retailers as of November 4, 2026, with prices from £182 to £994, a £812 spread on the same certified stone. Reve Diamonds lists it at £994. 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

1.15
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700575647
Dimensions6.99 × 5.07 × 3.42 mm
L/W Ratio1.38
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm5.07 mm1.15 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700575647
Side View
Table 63.0%Crown 33.1°Girdle: MED-STKPavilion 41.8°Culet: LargeDepth 67.5%

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: £421 GBP|Low: £175 GBP|High: £994 GBP|Avg: £488 GBP|+2.9%
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
Retailer 14
Retailer 15
Reve Diamonds
November 6, 2026
Retailer 11£182 GBP
Retailer 4£204 GBP
Retailer 2£211 GBP
Retailer 13£226 GBP
Retailer 15£226 GBP
Retailer 6£256 GBP
Retailer 10£380 GBP
Retailer 3£401 GBP
Retailer 7£411 GBP
Retailer 1£421 GBP
Retailer 14£726 GBP
Retailer 9£728 GBP
Retailer 5£764 GBP
Retailer 12£810 GBP
Retailer 8£902 GBP
Reve Diamonds£994 GBP

45 data points across 16 retailers

16 retailers£182 GBP to £994 GBP

A
Cheapest Retailer
-
£182 GBP
A
Retailer 2
-
£204 GBP
View
Final sale: no returns
A
Retailer 3
-
£211 GBP
View
Retailer 4
-
£226 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£226 GBP
View
A
Retailer 6
-
£256 GBP
View
B+
Retailer 7
-
£380 GBP
View
B+
Retailer 8
-
£401 GBP
View
Retailer 9
-
£411 GBP
View
Price last confirmed 109 days ago
B+
Retailer 10
-
£421 GBP
View
B
Retailer 11
-
£726 GBP
View
B
Retailer 12
-
£728 GBP
View
B
Retailer 13
-
£764 GBP
View
B
Retailer 14
-
£810 GBP
View
B
Retailer 15
-
£902 GBP
View
Most Expensive
B
Reve Diamonds
9989E51FF · Nov 4
£994 GBP
$1,337 USD
View
15 more retailers have this diamond
Prices start from £182 GBPSave up to £812 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
1.15ct Emerald
£182 GBP