CaratHunter
Plans
Emerald|Lab Grown|IGI

5.21ct D VVS1 Emerald Lab Grown Diamond

ID • D/VVS1 • IGI LG839622999

Shape and cutting style on the report: Emerald cut

Certificate IGI LG839622999

Diamond specifications and retailer prices

From £1,233 GBP
$1,652 USD
As of October 29, 2026
Save £5,320 GBP (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £6,563 GBP at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

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 LG839622999 or 839622999. Listed at 18 retailers as of October 29, 2026, with a 431% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839622999
Dimensions12.65 × 7.92 × 5.35 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
12.65 mm7.92 mm5.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839622999
Side View
Table 60.0%Crown 33.5°Girdle: MediumPavilion 43.1°Culet: LargeDepth 67.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £6,553 GBP|Low: £1,233 GBP|High: £11,919 GBP|Avg: £3,780 GBP|-45.0%
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
Retailer 16
Retailer 17
October 30, 2026
Retailer 4£1,233 GBP
Retailer 17£1,403 GBP
Retailer 10£1,803 GBP
Retailer 14£1,827 GBP
Retailer 12£1,950 GBP
Retailer 16£2,317 GBP
Retailer 5£2,592 GBP
Retailer 11£2,594 GBP
Retailer 3£3,082 GBP
Retailer 8£3,532 GBP
Retailer 2£3,603 GBP
Retailer 13£3,666 GBP
Retailer 7£4,492 GBP
Retailer 15£4,650 GBP
Retailer 6£4,705 GBP
Retailer 9£6,185 GBP
Retailer 1£6,553 GBP

28 data points across 17 retailers

18 retailers£1,233 GBP to £6,553 GBP

A
Cheapest Retailer
-
£1,233 GBP
$1,652 USD
Final sale: no returns
A
Retailer 2
-
£1,403 GBP
$1,880 USD
View
A
Retailer 3
-
£1,803 GBP
View
A
Retailer 4
-
£1,827 GBP
$2,448 USD
View
A
Retailer 5
-
£1,950 GBP
€2,488 EUR
View
B+
Retailer 6
-
£2,317 GBP
$3,105 USD
View
Retailer 7
-
£2,592 GBP
A$5,343 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£2,594 GBP
ZAR 56,157 ZAR
View
B+
Retailer 9
-
£3,082 GBP
View
B
Retailer 10
-
£3,532 GBP
$4,733 USD
View
B+
Retailer 11
-
£3,603 GBP
$4,827 USD
View
B+
Retailer 12
-
£3,666 GBP
View
B+
Retailer 13
-
£4,492 GBP
$6,018 USD
View
B
Retailer 14
-
£4,650 GBP
$6,230 USD
View
B
Retailer 15
-
£4,705 GBP
SGD 8,520 SGD
View
Retailer 16
-
£6,185 GBP
A$12,749 AUD
View
Price last confirmed 22 days ago
Retailer 17
-
£6,553 GBP
$8,780 USD
View
Most Expensive
Helzberg Diamonds
ZXZOJPMIIPPP · Oct 13
£6,563 GBP
$8,794 USD
View
Price last confirmed 18 days ago
17 more retailers have this diamond
Prices start from £1,233 GBPSave up to £5,320 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
£1,233 GBP