Emerald|Lab Grown|IGI

5.21ct D VVS1 Emerald Lab Grown Diamond

EX • D/VVS1 • IGI LG837671437

Shape and cutting style on the report: Emerald cut

Certificate IGI LG837671437

Diamond specifications and retailer prices

From £1,278 GBP
$1,713 USD
As of October 29, 2026
Save £3,583 GBP (74%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £6,553 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.21ct lab-grown emerald diamond

This 5.21ct lab-grown emerald sits in the over five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837671437 or 837671437. Listed at 20 retailers as of October 29, 2026, with a 280% 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

5.21
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle43°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837671437
Dimensions12.36 × 7.72 × 5.25 mm
L/W Ratio1.60
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.36 mm7.72 mm5.21 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837671437
Side View
Table 64.0%Crown 38.4°Girdle: MediumPavilion 43°Culet: LargeDepth 68.0%

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: £6,553 GBP|Low: £1,278 GBP|High: £11,926 GBP|Avg: £3,663 GBP|-45.0%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 7£1,278 GBP
Retailer 3£1,452 GBP
Retailer 18£1,601 GBP
Retailer 2£1,871 GBP
Retailer 14£1,894 GBP
Retailer 12£2,022 GBP
Retailer 16£2,342 GBP
Retailer 15£2,689 GBP
Retailer 11£2,691 GBP
Retailer 4£3,196 GBP
Retailer 9£3,606 GBP
Retailer 17£3,617 GBP
Retailer 13£3,803 GBP
Retailer 6£4,656 GBP
Retailer 5£4,826 GBP
Retailer 8£4,862 GBP
Retailer 10£6,185 GBP
Brilliant Earth£6,553 GBP

37 data points across 18 retailers

20 retailers£1,278 GBP to £4,862 GBP

Retailer 1
-
£1,212 GBP
$1,624 USD
Price last confirmed 39 days ago
A
Retailer 2
-
£1,278 GBP
$1,713 USD
View
Final sale: no returns
Retailer 3
-
£1,387 GBP
$1,858 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
£1,452 GBP
$1,945 USD
View
A
Retailer 5
-
£1,601 GBP
$2,145 USD
View
A
Retailer 6
-
£1,871 GBP
View
A
Retailer 7
-
£1,894 GBP
$2,538 USD
View
A
Retailer 8
-
£2,022 GBP
€2,580 EUR
View
B+
Retailer 9
-
£2,342 GBP
$3,138 USD
View
Retailer 10
-
£2,689 GBP
A$5,542 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£2,691 GBP
ZAR 58,253 ZAR
View
B+
Retailer 12
-
£3,196 GBP
View
B
Retailer 13
-
£3,606 GBP
$4,832 USD
View
B+
Retailer 14
-
£3,617 GBP
$4,846 USD
View
B+
Retailer 15
-
£3,803 GBP
View
B
Retailer 16
-
£4,656 GBP
$6,239 USD
View
B
Retailer 17
-
£4,826 GBP
$6,466 USD
View
B
Retailer 18
-
£4,862 GBP
SGD 8,803 SGD
View
Retailer 19
-
£6,185 GBP
A$12,749 AUD
View
Price last confirmed 22 days ago
Most Expensive
Brilliant Earth
21558291A · Oct 30
£6,553 GBP
$8,780 USD
View
Price under review
19 more retailers have this diamond
Prices start from £1,278 GBPSave up to £3,583 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
5.21ct Emerald
£1,278 GBP