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Emerald|Natural|GIA

0.40ct E SI2 Emerald Natural Diamond

EX • E/SI2 • GIA 5556451608

Certificate GIA 5556451608

Diamond specifications and retailer prices

From £287 GBP
As of November 5, 2026
Save £211 GBP (42%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £498 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 0.4ct natural emerald diamond

This 0.4ct natural emerald sits in the sub-half-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556451608. Listed at 9 retailers as of November 5, 2026, with prices from £287 to £498, a £211 spread on the same certified stone. Yorxs lists it at £498. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556451608
Dimensions5.09 × 3.46 × 2.24 mm
L/W Ratio1.47
Culet sizeNone
Top View
5.09 mm3.46 mm0.40 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5556451608
Side View
Table 68.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 64.6%

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 5
Current: £347 GBP|Low: £287 GBP|High: £515 GBP|Avg: £384 GBP|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 6, 2026
Retailer 6£287 GBP
Retailer 2£317 GBP
Retailer 5£328 GBP
Retailer 1£347 GBP
Retailer 4£369 GBP
Retailer 3£373 GBP
Retailer 7£431 GBP
Yorxs£498 GBP

42 data points across 8 retailers

9 retailers£287 GBP to £498 GBP

A
Cheapest Retailer
-
£287 GBP
A
Retailer 2
-
£317 GBP
View
B+
Retailer 3
-
£328 GBP
View
B+
Retailer 4
-
£347 GBP
View
B+
Retailer 5
-
£369 GBP
View
B+
Retailer 6
-
£373 GBP
View
B+
Retailer 7
-
£391 GBP
View
B
Retailer 8
-
£431 GBP
View
Most Expensive
B
Yorxs
531328916 · Nov 6
£498 GBP
€638 EUR
View
8 more retailers have this diamond
Prices start from £287 GBPSave up to £211 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
£287 GBP