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Emerald|Lab Grown|IGI

5.25ct D FL Emerald Lab Grown Diamond

ID • D/FL • IGI LG821641129

Shape and cutting style on the report: Emerald cut

Certificate IGI LG821641129

Diamond specifications and retailer prices

From £9,105 GBP
$12,200 USD
As of October 28, 2026
Save £21,709 GBP (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £30,815 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.25ct lab-grown emerald diamond

This 5.25ct 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 LG821641129 or 821641129. Listed at 11 retailers as of October 28, 2026, with prices from £9,105 to £30,815, a £21,709 spread on the same certified stone. Taylor and Hart lists it at £30,815. 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

5.25
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821641129
Dimensions11.61 × 8.31 × 5.34 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
11.61 mm8.31 mm5.25 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821641129
Side View
Table 67.0%Crown 31.1°Girdle: Slightly ThickPavilion 40.7°Culet: LargeDepth 64.3%

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 28
Current: £12,483 GBP|Low: £8,932 GBP|High: £30,815 GBP|Avg: £16,327 GBP|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 31, 2026
Retailer 7£9,105 GBP
Retailer 9£9,234 GBP
Retailer 10£9,788 GBP
Retailer 2£10,405 GBP
Retailer 1£12,483 GBP
Retailer 6£16,086 GBP
Retailer 3£17,113 GBP
Retailer 5£18,087 GBP
Retailer 8£19,517 GBP
Retailer 4£21,682 GBP
Taylor and Hart£30,815 GBP

33 data points across 11 retailers

11 retailers£9,105 GBP to £30,815 GBP

A
Cheapest Retailer
-
£9,105 GBP
$12,200 USD
A
Retailer 2
-
£9,234 GBP
$12,373 USD
View
A
Retailer 3
-
£9,788 GBP
$13,115 USD
View
A
Retailer 4
-
£10,405 GBP
$13,942 USD
View
B+
Retailer 5
-
£12,483 GBP
View
B+
Retailer 6
-
£16,086 GBP
View
B+
Retailer 7
-
£17,113 GBP
$22,930 USD
View
B+
Retailer 8
-
£18,087 GBP
€23,081 EUR
View
B+
Retailer 9
-
£19,517 GBP
$26,151 USD
View
B+
Retailer 10
-
£21,682 GBP
ZAR 469,332 ZAR
View
Most Expensive
B
Taylor and Hart
9CUIARD · Oct 31
£30,815 GBP
$41,288 USD
View
10 more retailers have this diamond
Prices start from £9,105 GBPSave up to £21,709 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
5.25ct Emerald
£9,105 GBP