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Emerald|Natural|GIA

0.40ct H SI1 Emerald Natural Diamond

EX • H/SI1 • GIA 2566545790

Certificate GIA 2566545790

Diamond specifications and retailer prices

From £269 GBP
$360 USD
As of October 29, 2026
Save £228 GBP (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £497 GBP at Yorxs · As of October 31, 2026
View at Yorxs

About this 0.4ct natural emerald diamond

This 0.4ct natural emerald sits in the sub-half-carat band, graded H 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 2566545790. Listed at 11 retailers as of October 29, 2026, with prices from £269 to £497, a £228 spread on the same certified stone. Yorxs lists it at £497. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566545790
Dimensions4.93 × 3.51 × 2.36 mm
L/W Ratio1.40
Culet sizeNone
Top View
4.93 mm3.51 mm0.40 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566545790
Side View
Table 70.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.3%

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 29
Current: £381 GBP|Low: £269 GBP|High: £497 GBP|Avg: £354 GBP|+4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
October 31, 2026
Retailer 6£269 GBP
Retailer 8£285 GBP
Retailer 3£287 GBP
Retailer 5£326 GBP
Retailer 2£366 GBP
Retailer 7£371 GBP
Retailer 1£381 GBP
Retailer 4£399 GBP
Retailer 9£427 GBP
Yorxs£497 GBP

23 data points across 10 retailers

11 retailers£269 GBP to £497 GBP

B+
Cheapest Retailer
-
£269 GBP
$360 USD
B+
Retailer 2
-
£285 GBP
SGD 516 SGD
View
B+
Retailer 3
-
£287 GBP
$385 USD
View
B+
Retailer 4
-
£314 GBP
SGD 568 SGD
View
B
Retailer 5
-
£326 GBP
$437 USD
View
B+
Retailer 6
-
£366 GBP
View
B
Retailer 7
-
£371 GBP
$496 USD
View
B
Retailer 8
-
£381 GBP
View
B
Retailer 9
-
£399 GBP
$534 USD
View
B
Retailer 10
-
£427 GBP
$572 USD
View
Most Expensive
B
Yorxs
621634032 · Oct 31
£497 GBP
€634 EUR
View
10 more retailers have this diamond
Prices start from £269 GBPSave up to £228 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
£269 GBP