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Emerald|Natural|GIA

0.51ct I SI2 Emerald Natural Diamond

EX • I/SI2 • GIA 7561550689

Certificate GIA 7561550689

Diamond specifications and retailer prices

From £281 GBP
$377 USD
As of October 29, 2026
Save £427 GBP (60%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,169 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7561550689. Listed at 8 retailers as of October 29, 2026, with a 152% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7561550689
Dimensions3.69 × 5.73 × 2.41 mm
L/W Ratio1.55
Top View
3.69 mm5.73 mm0.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7561550689
Side View
Table 63.0%CrownGirdlePavilionCulet: NoneDepth 65.5%

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: Oct 29
Current: £1,169 GBP|Low: £281 GBP|High: £1,199 GBP|Avg: £504 GBP|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 8£281 GBP
Retailer 5£328 GBP
Retailer 3£366 GBP
Retailer 2£388 GBP
Retailer 6£403 GBP
Retailer 7£446 GBP
Retailer 4£708 GBP
NZ Jewellers£1,169 GBP

15 data points across 8 retailers

8 retailers£281 GBP to £708 GBP

A
Cheapest Retailer
-
£281 GBP
$377 USD
Final sale: no returns
A
Retailer 2
-
£328 GBP
$440 USD
View
A
Retailer 3
-
£366 GBP
View
B+
Retailer 4
-
£388 GBP
View
B+
Retailer 5
-
£403 GBP
$540 USD
View
B
Retailer 6
-
£446 GBP
$598 USD
View
B
Retailer 7
-
£708 GBP
View
Most Expensive
NZ Jewellers
babab87a-faa0-4ea9-bede-0fe1f2a6e4f5 · Oct 30
£1,169 GBP
$1,567 USD
View
Price under review
7 more retailers have this diamond
Prices start from £281 GBPSave up to £427 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
£281 GBP