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Emerald|Natural|GIA

0.51ct F SI1 Emerald Natural Diamond

EX • F/SI1 • GIA 2567423924

Certificate GIA 2567423924

Diamond specifications and retailer prices

From £358 GBP
As of November 6, 2026
Save £320 GBP (47%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £678 GBP at Frank Darling · As of November 6, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2567423924. Listed at 12 retailers as of November 6, 2026, with prices from £358 to £678, a £320 spread on the same certified stone. Frank Darling lists it at £678. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2567423924
Dimensions5.29 × 3.78 × 2.55 mm
L/W Ratio1.40
Culet sizeNone
Top View
5.29 mm3.78 mm0.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2567423924
Side View
Table 70.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.5%

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: £678 GBP|Low: £358 GBP|High: £714 GBP|Avg: £522 GBP|-5.1%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10£358 GBP
Retailer 7£363 GBP
Retailer 9£414 GBP
Retailer 4£421 GBP
Retailer 5£429 GBP
Retailer 3£490 GBP
Retailer 6£502 GBP
Retailer 2£512 GBP
Retailer 8£526 GBP
Retailer 11£574 GBP
Frank Darling£678 GBP

24 data points across 11 retailers

12 retailers£358 GBP to £678 GBP

A
Cheapest Retailer
-
£358 GBP
A
Retailer 2
-
£363 GBP
View
A
Retailer 3
-
£409 GBP
View
A
Retailer 4
-
£414 GBP
View
A
Retailer 5
-
£421 GBP
View
A
Retailer 6
-
£429 GBP
View
B+
Retailer 7
-
£490 GBP
View
B+
Retailer 8
-
£502 GBP
View
B+
Retailer 9
-
£512 GBP
View
B+
Retailer 10
-
£526 GBP
View
B+
Retailer 11
-
£574 GBP
View
Most Expensive
B
Frank Darling
2702545HK · Nov 6
£678 GBP
$912 USD
View
11 more retailers have this diamond
Prices start from £358 GBPSave up to £320 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
£358 GBP