Emerald|Natural|GIA

0.51ct F SI1 Emerald Natural Diamond

GD • F/SI1 • GIA 6561788589

Certificate GIA 6561788589

Diamond specifications and retailer prices

From £525 GBP
As of November 1, 2026
Save £541 GBP (51%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,065 GBP at MOH London · As of November 4, 2026
View at MOH London

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 standard cut grade stated by the retailer rather than the lab and certified by GIA 6561788589. Listed at 15 retailers as of November 1, 2026, with prices from £525 to £1,065, a £541 spread on the same certified stone. MOH London lists it at £1,065. 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
F
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561788589
Dimensions5.22 × 3.89 × 2.63 mm
L/W Ratio1.34
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather
Top View
5.22 mm3.89 mm0.51 ctF / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561788589
Side View
Table 74.0%CrownGirdle: -VTPavilionCulet: NDepth 67.6%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,065 GBP|Low: £525 GBP|High: £1,827 GBP|Avg: £767 GBP|-0.2%
MOH London
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 6, 2026
Retailer 5£525 GBP
Retailer 3£583 GBP
Retailer 6£591 GBP
Retailer 15£605 GBP
Retailer 12£681 GBP
Retailer 8£688 GBP
Retailer 7£689 GBP
Retailer 11£702 GBP
Retailer 4£710 GBP
Retailer 2£720 GBP
Retailer 9£796 GBP
Retailer 10£831 GBP
Retailer 14£899 GBP
MOH London£1,065 GBP
Retailer 13£1,827 GBP

8 data points across 15 retailers

15 retailers£525 GBP to £1,065 GBP

B
Cheapest Retailer
-
£525 GBP
B
Retailer 2
-
£583 GBP
View
B
Retailer 3
-
£591 GBP
View
B
Retailer 4
-
£605 GBP
View
B
Retailer 5
-
£681 GBP
View
B
Retailer 6
-
£688 GBP
View
B
Retailer 7
-
£689 GBP
View
B
Retailer 8
-
£702 GBP
View
B
Retailer 9
-
£710 GBP
View
B
Retailer 10
-
£720 GBP
View
C
Retailer 11
-
£796 GBP
View
B
Retailer 12
-
£831 GBP
View
C
Retailer 13
-
£899 GBP
View
Most Expensive
C
MOH London
3A0A89867 · Nov 4
£1,065 GBP
View
13 more retailers have this diamond
Prices start from £525 GBPSave up to £541 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
£525 GBP