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Emerald|Natural|GIA

0.50ct I SI1 Emerald Natural Diamond

EX • I/SI1 • GIA 2527375287

Certificate GIA 2527375287

Diamond specifications and retailer prices

From £334 GBP
As of November 6, 2026
Save £321 GBP (49%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £654 GBP at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.5ct natural emerald diamond

This 0.5ct natural emerald sits in the half to three-quarter carat band, graded I 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 2527375287. Listed at 10 retailers as of November 6, 2026, with prices from £334 to £654, a £321 spread on the same certified stone. Frank Darling lists it at £654. 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

0.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2527375287
Dimensions5.30 × 3.82 × 2.54 mm
L/W Ratio1.39
Culet sizeNone
Top View
5.30 mm3.82 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2527375287
Side View
Table 71.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 66.5%

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 6
Current: £654 GBP|Low: £334 GBP|High: £661 GBP|Avg: £454 GBP|-1.1%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10£334 GBP
Retailer 4£361 GBP
Retailer 8£373 GBP
Retailer 3£403 GBP
Retailer 6£434 GBP
Retailer 7£467 GBP
Retailer 2£479 GBP
Retailer 5£490 GBP
Retailer 9£504 GBP
Frank Darling£654 GBP

37 data points across 10 retailers

10 retailers£334 GBP to £654 GBP

A
Cheapest Retailer
-
£334 GBP
A
Retailer 2
-
£361 GBP
View
B+
Retailer 3
-
£373 GBP
View
B+
Retailer 4
-
£403 GBP
View
B+
Retailer 5
-
£434 GBP
View
B
Retailer 6
-
£467 GBP
View
B
Retailer 7
-
£479 GBP
View
B
Retailer 8
-
£490 GBP
View
B
Retailer 9
-
£504 GBP
View
Most Expensive
B
Frank Darling
2678244HK · Nov 6
£654 GBP
$881 USD
View
9 more retailers have this diamond
Prices start from £334 GBPSave up to £321 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
0.50ct Emerald
£334 GBP