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Emerald|Natural|GIA

0.51ct D SI2 Emerald Natural Diamond

GD • D/SI2 • GIA 2506495053

Certificate GIA 2506495053

Diamond specifications and retailer prices

From £332 GBP
As of November 4, 2026
Save £127 GBP (28%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £459 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 D colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2506495053. Listed at 6 retailers as of November 4, 2026, with prices from £332 to £459, a £127 spread on the same certified stone. 77 Diamonds lists it at £459. 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
D
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2506495053
Dimensions5.18 × 3.81 × 2.61 mm
L/W Ratio1.36
Top View
5.18 mm3.81 mm0.51 ctD / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2506495053
Side View
Table 66.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.5%

Caratlytics Score

How it works →
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 4
Current: £459 GBP|Low: £290 GBP|High: £468 GBP|Avg: £387 GBP|-0.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4£332 GBP
Retailer 5£357 GBP
Retailer 6£377 GBP
Retailer 2£383 GBP
Retailer 3£399 GBP
77 Diamonds£459 GBP

40 data points across 6 retailers

6 retailers£332 GBP to £459 GBP

A
Cheapest Retailer
-
£332 GBP
Final sale: no returns
A
Retailer 2
-
£357 GBP
View
Retailer 3
-
£377 GBP
View
Price last confirmed 102 days ago
B+
Retailer 4
-
£383 GBP
View
B+
Retailer 5
-
£399 GBP
View
Most Expensive
B+
77 Diamonds
EMCPXKA5AH6S · Nov 5
£459 GBP
View
5 more retailers have this diamond
Prices start from £332 GBPSave up to £127 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
£332 GBP