Emerald|Natural|GIA

0.51ct G SI1 Emerald Natural Diamond

EX • G/SI1 • GIA 2517340895

Certificate GIA 2517340895

Diamond specifications and retailer prices

From £307 GBP
$411 USD
As of November 1, 2026
Save £137 GBP (31%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £444 GBP at 77 Diamonds · As of November 1, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2517340895. Listed at 7 retailers as of November 1, 2026, with prices from £307 to £444, a £137 spread on the same certified stone. 77 Diamonds lists it at £444. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2517340895
Dimensions5.22 × 3.84 × 2.63 mm
L/W Ratio1.36
Top View
5.22 mm3.84 mm0.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2517340895
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £444 GBP|Low: £278 GBP|High: £552 GBP|Avg: £417 GBP|+0.5%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5£307 GBP
Retailer 3£320 GBP
Retailer 2£328 GBP
Retailer 6£344 GBP
Retailer 4£384 GBP
Retailer 7£392 GBP
77 Diamonds£444 GBP
Retailer 8£537 GBP
Retailer 9£537 GBP
Retailer 10£552 GBP

41 data points across 10 retailers

7 retailers£307 GBP to £444 GBP

A
Cheapest Retailer
-
£307 GBP
$411 USD
A
Retailer 2
-
£320 GBP
$429 USD
View
Final sale: no returns
A
Retailer 3
-
£328 GBP
$440 USD
View
A
Retailer 4
-
£344 GBP
MYR 1,877 MYR
View
Retailer 5
-
£384 GBP
SGD 696 SGD
View
Price last confirmed 15 days ago
Retailer 6
-
£392 GBP
$525 USD
View
Price last confirmed 76 days ago
Most Expensive
B+
77 Diamonds
EMCPSFXYTUGB · Nov 1
£444 GBP
View
6 more retailers have this diamond
Prices start from £307 GBPSave up to £137 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
£307 GBP