Emerald|Natural|GIA

0.40ct F SI1 Emerald Natural Diamond

VG • F/SI1 • GIA 6555443083

Certificate GIA 6555443083

Diamond specifications and retailer prices

From £257 GBP
$345 USD
As of November 1, 2026
Save £424 GBP (62%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,131 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.4ct natural emerald diamond

This 0.4ct natural emerald sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6555443083. Listed at 14 retailers as of November 1, 2026, with a 165% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.40
Carat
F
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555443083
Dimensions4.97 × 3.58 × 2.45 mm
L/W Ratio1.39
Key to symbols
Feather
Top View
4.97 mm3.58 mm0.40 ctF / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555443083
Side View
Table 68.0%CrownGirdlePavilionCulet: NDepth 68.5%

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: Nov 1
Current: £1,131 GBP|Low: £257 GBP|High: £1,153 GBP|Avg: £460 GBP|-1.9%
NZ Jewellers
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
November 1, 2026
Retailer 6£257 GBP
Retailer 15£295 GBP
Retailer 4£318 GBP
Retailer 12£318 GBP
Retailer 7£336 GBP
Retailer 14£340 GBP
Retailer 2£382 GBP
Retailer 11£404 GBP
Retailer 3£434 GBP
Retailer 13£455 GBP
Retailer 10£457 GBP
Retailer 5£482 GBP
Retailer 9£536 GBP
Retailer 8£681 GBP
NZ Jewellers£1,131 GBP

40 data points across 15 retailers

14 retailers£257 GBP to £681 GBP

A
Cheapest Retailer
-
£257 GBP
$345 USD
B+
Retailer 2
-
£295 GBP
$395 USD
View
B+
Retailer 3
-
£318 GBP
$426 USD
View
B+
Retailer 4
-
£318 GBP
$426 USD
View
B+
Retailer 5
-
£340 GBP
$456 USD
View
B+
Retailer 6
-
£382 GBP
View
B
Retailer 7
-
£404 GBP
View
B
Retailer 8
-
£434 GBP
$582 USD
View
B
Retailer 9
-
£455 GBP
$610 USD
View
B
Retailer 10
-
£457 GBP
ZAR 9,901 ZAR
View
Retailer 11
-
£482 GBP
A$993 AUD
View
Price last confirmed 28 days ago
B
Retailer 12
-
£536 GBP
€684 EUR
View
B
Retailer 13
-
£681 GBP
View
Most Expensive
NZ Jewellers
b003cc8e-3733-49bb-b623-c170a3ccdae7 · Oct 30
£1,131 GBP
$1,515 USD
View
Price under review
13 more retailers have this diamond
Prices start from £257 GBPSave up to £424 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
0.40ct Emerald
£257 GBP