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Emerald|Natural|GIA

0.51ct G SI2 Emerald Natural Diamond

EX • G/SI2 • GIA 5232952944

Certificate GIA 5232952944

Diamond specifications and retailer prices

From £349 GBP
As of November 2, 2026
Save £343 GBP (50%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £692 GBP at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter 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 5232952944. Listed at 11 retailers as of November 2, 2026, with prices from £349 to £692, a £343 spread on the same certified stone. Frank Darling lists it at £692. 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

0.51
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5232952944
Dimensions5.36 × 3.82 × 2.56 mm
L/W Ratio1.40
Culet sizeNone
Top View
5.36 mm3.82 mm0.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5232952944
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.2%

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 2
Current: £692 GBP|Low: £349 GBP|High: £707 GBP|Avg: £509 GBP|-2.1%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 10£349 GBP
Retailer 11£373 GBP
Retailer 2£390 GBP
Retailer 9£410 GBP
Retailer 8£438 GBP
Retailer 6£450 GBP
Retailer 7£485 GBP
Retailer 4£533 GBP
Retailer 5£548 GBP
Retailer 3£562 GBP
Frank Darling£692 GBP

42 data points across 11 retailers

11 retailers£349 GBP to £692 GBP

A
Cheapest Retailer
-
£349 GBP
A
Retailer 2
-
£373 GBP
View
A
Retailer 3
-
£390 GBP
View
A
Retailer 4
-
£410 GBP
View
B+
Retailer 5
-
£438 GBP
View
B+
Retailer 6
-
£450 GBP
View
B+
Retailer 7
-
£485 GBP
View
B+
Retailer 8
-
£533 GBP
View
B+
Retailer 9
-
£548 GBP
View
B+
Retailer 10
-
£562 GBP
View
Most Expensive
B
Frank Darling
2643088HK · Nov 2
£692 GBP
$931 USD
View
10 more retailers have this diamond
Prices start from £349 GBPSave up to £343 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
0.51ct Emerald
£349 GBP