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Emerald|Natural|GIA

0.51ct I VS2 Emerald Natural Diamond

EX • I/VS2 • GIA 6415925655

Certificate GIA 6415925655

Diamond specifications and retailer prices

From £626 GBP
$834 USD
As of October 28, 2026
Save £449 GBP (42%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,075 GBP at 77 Diamonds · As of October 29, 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 I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6415925655. Listed at 6 retailers as of October 28, 2026, with prices from £626 to £1,075, a £449 spread on the same certified stone. 77 Diamonds lists it at £1,075. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
I
Colour
VS2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6415925655
Dimensions5.15 × 3.74 × 2.61 mm
L/W Ratio1.38
Top View
5.15 mm3.74 mm0.51 ctI / VS2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6415925655
Side View
Table 65.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 69.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £1,075 GBP|Low: £569 GBP|High: £1,077 GBP|Avg: £838 GBP|+2.3%
77 Diamonds
Retailer 2
October 29, 2026
Retailer 2£626 GBP
77 Diamonds£1,075 GBP

37 data points across 2 retailers

6 retailers£626 GBP to £1,075 GBP

B
Cheapest Retailer
-
£626 GBP
$834 USD
Final sale: no returns
B
Retailer 2
-
£718 GBP
$956 USD
View
B
Retailer 3
-
£886 GBP
$1,180 USD
View
B
Retailer 4
-
£886 GBP
$1,180 USD
View
B
Retailer 5
-
£916 GBP
$1,220 USD
View
Most Expensive
B
77 Diamonds
EMMBCCMX3EAW · Oct 29
£1,075 GBP
View
5 more retailers have this diamond
Prices start from £626 GBPSave up to £449 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
£626 GBP