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Emerald|Natural|GIA

0.51ct H SI2 Emerald Natural Diamond

EX • H/SI2 • GIA 7556293899

Certificate GIA 7556293899

Diamond specifications and retailer prices

From £392 GBP
As of November 6, 2026
Save £318 GBP (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £709 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 H 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 7556293899. Listed at 11 retailers as of November 6, 2026, with prices from £392 to £709, a £318 spread on the same certified stone. Frank Darling lists it at £709. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7556293899
Dimensions5.61 × 3.81 × 2.53 mm
L/W Ratio1.47
Culet sizeNone
Top View
5.61 mm3.81 mm0.51 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7556293899
Side View
Table 70.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 66.4%

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: Nov 6
Current: £709 GBP|Low: £392 GBP|High: £715 GBP|Avg: £513 GBP|-0.8%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9£392 GBP
Retailer 5£406 GBP
Retailer 8£427 GBP
Retailer 7£460 GBP
Retailer 4£474 GBP
Retailer 6£509 GBP
Retailer 3£554 GBP
Retailer 2£574 GBP
Retailer 10£586 GBP
Frank Darling£709 GBP

41 data points across 10 retailers

11 retailers£392 GBP to £709 GBP

B+
Cheapest Retailer
-
£392 GBP
B+
Retailer 2
-
£406 GBP
View
B+
Retailer 3
-
£427 GBP
View
B+
Retailer 4
-
£460 GBP
View
B
Retailer 5
-
£474 GBP
View
B
Retailer 6
-
£496 GBP
View
B
Retailer 7
-
£509 GBP
View
B
Retailer 8
-
£554 GBP
View
B
Retailer 9
-
£574 GBP
View
B
Retailer 10
-
£586 GBP
View
Most Expensive
B
Frank Darling
2643714HK · Nov 6
£709 GBP
$955 USD
View
10 more retailers have this diamond
Prices start from £392 GBPSave up to £318 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+
0.51ct Emerald
£392 GBP