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Emerald|Lab Grown|IGI

3.10ct D SI1 Emerald Lab Grown Diamond

VG • D/SI1 • IGI LG689548368

Shape and cutting style on the report: Emerald cut

Certificate IGI LG689548368

Diamond specifications and retailer prices

From £947 GBP
As of November 5, 2026
Save £305 GBP (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,253 GBP at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.1ct lab-grown emerald diamond

This 3.1ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG689548368 or 689548368. Listed at 2 retailers as of November 5, 2026, with prices from £947 to £1,253, a £305 spread on the same certified stone. The Diamond Guys lists it at £1,253. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.10
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689548368
Dimensions9.75 × 6.88 × 4.71 mm
L/W Ratio1.42
Culet sizeLarge
Top View
9.75 mm6.88 mm3.10 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689548368
Side View
Table 64.0%Crown 35.8°Girdle: MediumPavilion 39.8°Culet: LargeDepth 68.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: £947 GBP|Low: £189 GBP|High: £2,459 GBP|Avg: £966 GBP|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
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Retailer 11
The Diamond Guys
August 3, 2026
Retailer 2£201 GBP
Retailer 3£509 GBP
Retailer 4£585 GBP
Retailer 6£635 GBP
Retailer 10£636 GBP
Retailer 7£799 GBP
Retailer 8£927 GBP
Retailer 1£947 GBP
The Diamond Guys£1,253 GBP
Retailer 5£1,969 GBP
Retailer 9£2,085 GBP
Retailer 11£2,095 GBP

63 data points across 12 retailers

2 retailers£947 GBP to £1,253 GBP

B
Cheapest Retailer
-
£947 GBP
Most Expensive
B
The Diamond Guys
1954436973 · Nov 6
£1,253 GBP
$1,686 USD
View
1 more retailer has this diamond
Prices start from £947 GBPSave up to £305 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.

B
3.10ct Emerald
£947 GBP