Emerald|Lab Grown|GIA

5.40ct D FL Emerald Lab Grown Diamond

ID • D/FL

Diamond specifications and retailer prices

From £20,644 GBP
$27,661 USD
As of November 2, 2026
Save £19,521 GBP (49%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £40,165 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 5.4ct lab-grown emerald diamond

This 5.4ct 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 stated by the retailer rather than the lab and certified by GIA. Listed at 4 retailers as of October 31, 2026, with prices from £20,644 to £40,165, a £19,521 spread on the same certified stone. Blue Nile lists it at £40,165. 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

5.40
Carat
D
Colour
FL
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions11.52 × 8.22 × 5.60 mm
L/W Ratio1.40
Top View
11.52 mm8.22 mm5.40 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 59.0%CrownGirdle: Very Thick to Extremely ThickPavilionCulet: NoneDepth 68.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £40,165 GBP|Low: £20,644 GBP|High: £72,985 GBP|Avg: £27,334 GBP
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 2£20,644 GBP
Retailer 3£20,644 GBP
Retailer 4£20,809 GBP
Retailer 5£24,375 GBP
Retailer 6£29,702 GBP
Blue Nile£40,165 GBP

9 data points across 6 retailers

4 retailers£20,644 GBP to £40,165 GBP

B+
Cheapest Retailer
-
£20,644 GBP
$27,661 USD
B+
Retailer 2
-
£20,644 GBP
$27,661 USD
View
B
Retailer 3
-
£20,809 GBP
$27,882 USD
View
Most Expensive
B
Blue Nile
27423677 · Oct 31
£40,165 GBP
$53,817 USD
View
3 more retailers have this diamond
Prices start from £20,644 GBPSave up to £19,521 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.

B+
5.40ct Emerald
£20,644 GBP