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Emerald|Natural|GIA

0.51ct G IF Emerald Natural Diamond

GD • G/IF • GIA 2566156327

Certificate GIA 2566156327

Diamond specifications and retailer prices

From £445 GBP
As of November 5, 2026
Save £357 GBP (45%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £803 GBP at Sky Moon Diamonds · As of November 4, 2026
View at Sky Moon Diamonds

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2566156327. Listed at 9 retailers as of November 4, 2026, with prices from £445 to £803, a £357 spread on the same certified stone. Sky Moon Diamonds lists it at £803. 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
G
Colour
IF
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566156327
Dimensions5.23 × 3.80 × 2.63 mm
L/W Ratio1.38
Girdle conditionPolished
Culet sizeNone
Key to symbols
Minor Details of Polish
Top View
5.23 mm3.80 mm0.51 ctG / IF
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566156327
Side View
Table 65.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 69.2%

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: £445 GBP|Low: £436 GBP|High: £807 GBP|Avg: £633 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Sky Moon Diamonds
November 5, 2026
Retailer 1£445 GBP
Retailer 6£509 GBP
Retailer 4£556 GBP
Retailer 2£579 GBP
Retailer 3£596 GBP
Retailer 8£605 GBP
Retailer 5£790 GBP
Retailer 7£796 GBP
Sky Moon Diamonds£803 GBP

28 data points across 9 retailers

9 retailers£445 GBP to £803 GBP

A
Cheapest Retailer
-
£445 GBP
A
Retailer 2
-
£509 GBP
View
A
Retailer 3
-
£556 GBP
View
Final sale: no returns
A
Retailer 4
-
£579 GBP
View
B+
Retailer 5
-
£596 GBP
View
Retailer 6
-
£605 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£790 GBP
View
B
Retailer 8
-
£796 GBP
View
Most Expensive
B
Sky Moon Diamonds
smd615142174 · Nov 4
£803 GBP
View
8 more retailers have this diamond
Prices start from £445 GBPSave up to £357 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
£445 GBP