Emerald|Natural|GIA

0.51ct H IF Emerald Natural Diamond

VG • H/IF • GIA 6525948518

Certificate GIA 6525948518

Diamond specifications and retailer prices

From £359 GBP
As of November 5, 2026
Save £764 GBP (68%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,564 GBP at NZ Jewellers · As of August 30, 2026
View at NZ Jewellers

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 IF clarity (flawless or internally-flawless), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6525948518. Listed at 25 retailers as of November 2, 2026, with a 213% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
H
Colour
IF
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6525948518
Dimensions5.72 × 3.79 × 2.43 mm
L/W Ratio1.51
Top View
5.72 mm3.79 mm0.51 ctH / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6525948518
Side View
Table 67.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 64.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £359 GBP|Low: £359 GBP|High: £1,166 GBP|Avg: £652 GBP|-4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 1£359 GBP
Retailer 14£449 GBP
Retailer 12£484 GBP
Retailer 5£505 GBP
Retailer 2£562 GBP
Retailer 4£584 GBP
Retailer 8£593 GBP
Retailer 13£622 GBP
Retailer 6£669 GBP
Retailer 3£696 GBP
Retailer 10£711 GBP
Retailer 15£731 GBP
Retailer 9£750 GBP
Retailer 7£970 GBP
Retailer 11£1,123 GBP

39 data points across 15 retailers

25 retailers£359 GBP to £1,123 GBP

A
Cheapest Retailer
-
£359 GBP
A
Retailer 2
-
£449 GBP
View
Final sale: no returns
A
Retailer 3
-
£460 GBP
View
Retailer 4
-
£484 GBP
View
Price last confirmed 8 days ago
Retailer 5
-
£487 GBP
View
Price last confirmed 20 days ago
Retailer 6
-
£487 GBP
View
Price last confirmed 28 days ago
Retailer 7
-
£499 GBP
View
Price last confirmed 69 days ago
Retailer 8
-
£505 GBP
View
Price last confirmed 21 days ago
Retailer 9
-
£505 GBP
View
Price last confirmed 9 days ago
Retailer 10
-
£561 GBP
View
Price last confirmed 27 days ago
B+
Retailer 11
-
£562 GBP
View
Retailer 12
-
£576 GBP
View
Price last confirmed 60 days ago
B+
Retailer 13
-
£584 GBP
View
B+
Retailer 14
-
£593 GBP
View
B+
Retailer 15
-
£622 GBP
View
Retailer 16
-
£645 GBP
View
Price last confirmed 40 days ago
B+
Retailer 17
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£669 GBP
View
B+
Retailer 18
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£696 GBP
View
B+
Retailer 19
-
£711 GBP
View
Retailer 20
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£731 GBP
View
Price last confirmed 32 days ago
B+
Retailer 21
-
£750 GBP
View
Retailer 22
-
£970 GBP
View
Price last confirmed 9 days ago
B
Retailer 23
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£1,123 GBP
View
Retailer 24
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£1,525 GBP
View
Price last confirmed 37 days ago
Most Expensive
NZ Jewellers
130c3e9e-25ef-4bdd-ae29-dcb7b9179f7d · Aug 30
£1,564 GBP
$2,112 USD
View
Price last confirmed 67 days ago
24 more retailers have this diamond
Prices start from £359 GBPSave up to £764 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
£359 GBP