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Emerald|Natural|GIA

0.51ct H VVS1 Emerald Natural Diamond

EX • H/VVS1 • GIA 6551220640

Certificate GIA 6551220640

Diamond specifications and retailer prices

From £344 GBP
As of November 5, 2026
Save £1,488 GBP (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,831 GBP at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551220640. Listed at 15 retailers as of November 5, 2026, with prices from £344 to £1,831, a £1,488 spread on the same certified stone. Cape Diamonds lists it at £1,831. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Colour
VVS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551220640
Dimensions5.28 × 3.72 × 2.64 mm
L/W Ratio1.42
Top View
5.28 mm3.72 mm0.51 ctH / VVS1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551220640
Side View
Table 64.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 70.8%

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 5
Current: £1,831 GBP|Low: £324 GBP|High: £2,133 GBP|Avg: £781 GBP|+160.9%
Cape Diamonds
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
November 5, 2026
Retailer 2£344 GBP
Retailer 8£625 GBP
Retailer 7£687 GBP
Retailer 5£1,050 GBP
Retailer 9£1,095 GBP
Retailer 14£1,186 GBP
Retailer 4£1,198 GBP
Retailer 13£1,244 GBP
Retailer 6£1,369 GBP
Retailer 11£1,448 GBP
Retailer 10£1,456 GBP
Cape Diamonds£1,831 GBP
Retailer 12£2,078 GBP
Retailer 3£2,133 GBP

39 data points across 14 retailers

15 retailers£344 GBP to £1,831 GBP

A
Cheapest Retailer
-
£344 GBP
A
Retailer 2
-
£415 GBP
View
B+
Retailer 3
-
£625 GBP
View
B+
Retailer 4
-
£687 GBP
View
B
Retailer 5
-
£1,050 GBP
View
B
Retailer 6
-
£1,095 GBP
View
Final sale: no returns
B
Retailer 7
-
£1,186 GBP
View
B
Retailer 8
-
£1,198 GBP
View
B
Retailer 9
-
£1,244 GBP
View
B
Retailer 10
-
£1,369 GBP
View
B
Retailer 11
-
£1,448 GBP
View
B
Retailer 12
-
£1,456 GBP
View
Most Expensive
B
Cape Diamonds
cert_6551220640 · Nov 5
£1,831 GBP
ZAR 39,937 ZAR
View
12 more retailers have this diamond
Prices start from £344 GBPSave up to £1,488 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
£344 GBP