Emerald|Lab Grown|IGI

4.27ct D VVS1 Emerald Lab Grown Diamond

ID • D/VVS1 • IGI LG821643768

Shape and cutting style on the report: Emerald cut

Certificate IGI LG821643768

Diamond specifications and retailer prices

From £858 GBP
$1,142 USD
As of October 29, 2026
Save £4,166 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £5,024 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.27ct lab-grown emerald diamond

This 4.27ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821643768 or 821643768. Listed at 19 retailers as of October 29, 2026, with prices from £858 to £5,024, a £4,166 spread on the same certified stone. Brilliant Earth lists it at £5,024. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.27
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821643768
Dimensions11.56 × 7.51 × 4.79 mm
L/W Ratio1.54
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.56 mm7.51 mm4.27 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821643768
Side View
Table 66.0%Crown 34.7°Girdle: STK-THKPavilion 39.5°Culet: LargeDepth 63.8%

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: Oct 29
Current: £1,273 GBP|Low: £858 GBP|High: £3,546 GBP|Avg: £2,116 GBP|-4.8%
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
October 30, 2026
Retailer 11£858 GBP
Retailer 4£1,002 GBP
Retailer 1£1,273 GBP
Retailer 8£1,282 GBP
Retailer 12£1,355 GBP
Retailer 5£1,881 GBP
Retailer 13£1,892 GBP
Retailer 6£1,939 GBP
Retailer 14£2,449 GBP
Retailer 9£2,480 GBP
Retailer 2£3,031 GBP
Retailer 10£3,101 GBP
Retailer 7£3,209 GBP
Retailer 3£3,420 GBP

19 data points across 14 retailers

19 retailers£858 GBP to £5,024 GBP

Retailer 1
-
£825 GBP
$1,098 USD
Price last confirmed 38 days ago
A
Retailer 2
-
£858 GBP
$1,142 USD
View
Final sale: no returns
Retailer 3
-
£943 GBP
$1,256 USD
View
Price last confirmed 37 days ago
A
Retailer 4
-
£1,002 GBP
$1,335 USD
View
A
Retailer 5
-
£1,273 GBP
$1,695 USD
View
A
Retailer 6
-
£1,282 GBP
View
A
Retailer 7
-
£1,355 GBP
€1,718 EUR
View
A
Retailer 8
-
£1,881 GBP
$2,505 USD
View
A
Retailer 9
-
£1,892 GBP
ZAR 40,705 ZAR
View
Retailer 10
-
£1,939 GBP
A$3,972 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£2,449 GBP
View
B+
Retailer 12
-
£2,480 GBP
$3,302 USD
View
B+
Retailer 13
-
£2,704 GBP
$3,601 USD
View
B+
Retailer 14
-
£3,031 GBP
View
B+
Retailer 15
-
£3,101 GBP
$4,129 USD
View
B+
Retailer 16
-
£3,209 GBP
$4,273 USD
View
B+
Retailer 17
-
£3,420 GBP
SGD 6,154 SGD
View
Retailer 18
-
£4,086 GBP
A$8,371 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
20855451A · Oct 29
£5,024 GBP
$6,690 USD
View
18 more retailers have this diamond
Prices start from £858 GBPSave up to £4,166 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
4.27ct Emerald
£858 GBP