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Emerald|Natural|GIA

0.40ct G SI1 Emerald Natural Diamond

EX • G/SI1 • GIA 1515420317

Certificate GIA 1515420317

Diamond specifications and retailer prices

From £203 GBP
MYR 1,110 MYR
As of October 30, 2026
Save £118 GBP (37%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £321 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1515420317. Listed at 5 retailers as of October 29, 2026, with prices from £203 to £321, a £118 spread on the same certified stone. Brilliant Earth lists it at £321. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1515420317
Dimensions4.95 × 3.62 × 2.35 mm
L/W Ratio1.37
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
4.95 mm3.62 mm0.40 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1515420317
Side View
Table 64.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 65.0%

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 30
Current: £321 GBP|Low: £203 GBP|High: £343 GBP|Avg: £276 GBP|-6.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 5£203 GBP
Retailer 3£234 GBP
Retailer 4£246 GBP
Retailer 2£314 GBP
Brilliant Earth£321 GBP

39 data points across 5 retailers

5 retailers£203 GBP to £321 GBP

A
Cheapest Retailer
-
£203 GBP
MYR 1,110 MYR
A
Retailer 2
-
£234 GBP
$313 USD
View
Final sale: no returns
A
Retailer 3
-
£246 GBP
SGD 446 SGD
View
B+
Retailer 4
-
£314 GBP
View
Most Expensive
B+
Brilliant Earth
13817469A · Oct 29
£321 GBP
$430 USD
View
4 more retailers have this diamond
Prices start from £203 GBPSave up to £118 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
£203 GBP