CaratHunter
Plans
Emerald|Lab Grown|IGI

5.21ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG811634646

Shape and cutting style on the report: Emerald cut

Certificate IGI LG811634646

Diamond specifications and retailer prices

From £5,585 GBP
$7,483 USD
As of October 30, 2026
Save £28,500 GBP (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £34,085 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811634646 or 811634646. Listed at 13 retailers as of October 30, 2026, with prices from £5,585 to £34,085, a £28,500 spread on the same certified stone. Do Amore Diamonds lists it at £34,085. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634646
Dimensions11.27 × 8.05 × 5.43 mm
L/W Ratio1.40
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.27 mm8.05 mm5.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634646
Side View
Table 60.0%Crown 33.5°Girdle: Slightly ThickPavilion 38.6°Culet: LargeDepth 67.5%

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 30
Current: £34,085 GBP|Low: £5,585 GBP|High: £36,063 GBP|Avg: £13,029 GBP|+0.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5£5,585 GBP
Retailer 3£6,150 GBP
Retailer 2£6,299 GBP
Retailer 4£7,163 GBP
Retailer 10£7,349 GBP
Retailer 9£7,713 GBP
Retailer 7£12,367 GBP
Retailer 6£12,449 GBP
Retailer 8£13,071 GBP
Do Amore Diamonds£34,085 GBP

32 data points across 10 retailers

13 retailers£5,585 GBP to £34,085 GBP

A
Cheapest Retailer
-
£5,585 GBP
$7,483 USD
A
Retailer 2
-
£6,150 GBP
$8,240 USD
View
A
Retailer 3
-
£6,299 GBP
$8,440 USD
View
A
Retailer 4
-
£7,163 GBP
$9,598 USD
View
Retailer 5
-
£7,221 GBP
$9,676 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
£7,349 GBP
$9,847 USD
View
A
Retailer 7
-
£7,713 GBP
$10,335 USD
View
Retailer 8
-
£7,863 GBP
$10,535 USD
View
Price last confirmed 37 days ago
Retailer 9
-
£9,027 GBP
$12,095 USD
View
Price last confirmed 27 days ago
B+
Retailer 10
-
£12,367 GBP
€15,781 EUR
View
B+
Retailer 11
-
£12,449 GBP
$16,680 USD
View
B+
Retailer 12
-
£13,071 GBP
View
Most Expensive
B
Do Amore Diamonds
27-74BE7DF0C · Oct 31
£34,085 GBP
$45,670 USD
View
12 more retailers have this diamond
Prices start from £5,585 GBPSave up to £28,500 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
£5,585 GBP