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Emerald|Natural|GIA

0.51ct H IF Emerald Natural Diamond

GD • H/IF • GIA 6512952748

Certificate GIA 6512952748

Diamond specifications and retailer prices

From £433 GBP
As of November 4, 2026
Save £341 GBP (44%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £774 GBP at 77 Diamonds · As of November 5, 2026
View at 77 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 IF clarity (flawless or internally-flawless), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6512952748. Listed at 7 retailers as of November 4, 2026, with prices from £433 to £774, a £341 spread on the same certified stone. 77 Diamonds lists it at £774. 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
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Pavilion angle60.9°
OriginNatural
Grading LabGIA
CertificateGIA 6512952748
Dimensions5.25 × 3.79 × 2.58 mm
L/W Ratio1.39
Top View
5.25 mm3.79 mm0.51 ctH / IF
OriginNatural
CutGood
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512952748
Side View
Table 66.0%CrownGirdle: STK-THKPavilion 60.9°Culet: NoneDepth 68.1%

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 4
Current: £774 GBP|Low: £433 GBP|High: £783 GBP|Avg: £569 GBP|+1.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 7£433 GBP
Retailer 3£448 GBP
Retailer 5£487 GBP
Retailer 4£516 GBP
Retailer 6£628 GBP
Retailer 2£697 GBP
77 Diamonds£774 GBP

35 data points across 7 retailers

7 retailers£433 GBP to £774 GBP

A
Cheapest Retailer
-
£433 GBP
Retailer 2
-
£448 GBP
View
Price last confirmed 8 days ago
A
Retailer 3
-
£487 GBP
View
B+
Retailer 4
-
£516 GBP
View
B+
Retailer 5
-
£628 GBP
View
B
Retailer 6
-
£697 GBP
View
Most Expensive
B
77 Diamonds
EMMBCVXGANYR · Nov 5
£774 GBP
View
6 more retailers have this diamond
Prices start from £433 GBPSave up to £341 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
£433 GBP