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Emerald|Lab Grown|IGI

3.51ct D VVS1 Emerald Lab Grown Diamond

ID • D/VVS1 • IGI LG821643793

Shape and cutting style on the report: Emerald cut

Certificate IGI LG821643793

Diamond specifications and retailer prices

From £634 GBP
$850 USD
As of October 29, 2026
Save £2,009 GBP (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £7,739 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.51ct lab-grown emerald diamond

This 3.51ct 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 LG821643793 or 821643793. Listed at 19 retailers as of October 29, 2026, with a 317% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.51
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821643793
Dimensions11.04 × 6.96 × 4.56 mm
L/W Ratio1.59
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.04 mm6.96 mm3.51 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821643793
Side View
Table 60.0%Crown 34.3°Girdle: Slightly ThickPavilion 40.5°Culet: LargeDepth 65.5%

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: Oct 29
Current: £940 GBP|Low: £634 GBP|High: £3,470 GBP|Avg: £1,714 GBP|-13.8%
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
Retailer 15
October 30, 2026
Retailer 12£634 GBP
Retailer 4£799 GBP
Retailer 1£940 GBP
Retailer 2£1,000 GBP
Retailer 8£1,007 GBP
Retailer 5£1,499 GBP
Retailer 14£1,526 GBP
Retailer 3£1,574 GBP
Retailer 10£1,857 GBP
Retailer 11£2,268 GBP
Retailer 7£2,284 GBP
Retailer 9£2,349 GBP
Retailer 13£2,477 GBP
Retailer 15£2,643 GBP
Retailer 6£3,470 GBP

21 data points across 15 retailers

19 retailers£634 GBP to £2,643 GBP

Retailer 1
-
£594 GBP
$796 USD
Price last confirmed 38 days ago
A
Retailer 2
-
£634 GBP
$850 USD
View
Final sale: no returns
Retailer 3
-
£680 GBP
$911 USD
View
Price last confirmed 37 days ago
A
Retailer 4
-
£799 GBP
$1,070 USD
View
A
Retailer 5
-
£940 GBP
$1,260 USD
View
A
Retailer 6
-
£1,000 GBP
€1,276 EUR
View
A
Retailer 7
-
£1,007 GBP
View
Retailer 8
-
£1,499 GBP
A$3,089 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£1,526 GBP
ZAR 33,030 ZAR
View
B+
Retailer 10
-
£1,574 GBP
$2,109 USD
View
B+
Retailer 11
-
£1,857 GBP
$2,488 USD
View
B+
Retailer 12
-
£2,268 GBP
$3,039 USD
View
B+
Retailer 13
-
£2,284 GBP
$3,060 USD
View
B+
Retailer 14
-
£2,349 GBP
$3,148 USD
View
B+
Retailer 15
-
£2,477 GBP
View
B+
Retailer 16
-
£2,643 GBP
SGD 4,786 SGD
View
Retailer 17
-
£3,202 GBP
A$6,600 AUD
View
Price last confirmed 22 days ago
Retailer 18
-
£3,470 GBP
$4,650 USD
View
Price last confirmed 12 days ago
Most Expensive
Brilliant Earth
20855566A · Oct 29
£7,739 GBP
$10,370 USD
View
Price under review
18 more retailers have this diamond
Prices start from £634 GBPSave up to £2,009 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
3.51ct Emerald
£634 GBP