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Emerald|Natural|GIA

0.40ct G SI2 Emerald Natural Diamond

EX • G/SI2 • GIA 6565586473

Certificate GIA 6565586473

Diamond specifications and retailer prices

From £289 GBP
$385 USD
As of October 28, 2026
Save £381 GBP (57%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £670 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.4ct natural emerald diamond

This 0.4ct natural emerald sits in the sub-half-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565586473. Listed at 6 retailers as of October 28, 2026, with prices from £289 to £670, a £381 spread on the same certified stone. MOH London lists it at £670. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.40
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565586473
Dimensions4.98 × 3.63 × 2.30 mm
L/W Ratio1.37
Key to symbols
Feather
Top View
4.98 mm3.63 mm0.40 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6565586473
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.4%

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: Oct 28
Current: £670 GBP|Low: £289 GBP|High: £670 GBP|Avg: £443 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 5£289 GBP
Retailer 2£377 GBP
Retailer 4£396 GBP
Retailer 6£408 GBP
Retailer 3£525 GBP
MOH London£670 GBP

17 data points across 6 retailers

6 retailers£289 GBP to £670 GBP

B+
Cheapest Retailer
-
£289 GBP
$385 USD
B
Retailer 2
-
£377 GBP
View
B
Retailer 3
-
£396 GBP
View
B
Retailer 4
-
£408 GBP
$543 USD
View
B
Retailer 5
-
£525 GBP
€666 EUR
View
Most Expensive
B
MOH London
1EECEA52E · Oct 29
£670 GBP
View
5 more retailers have this diamond
Prices start from £289 GBPSave up to £381 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+
0.40ct Emerald
£289 GBP