Emerald|Natural|GIA

0.51ct K SI1 Emerald Natural Diamond

GD • K/SI1 • GIA 7358799535

Certificate GIA 7358799535

Diamond specifications and retailer prices

From £304 GBP
As of November 6, 2026
Save £516 GBP (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,363 GBP at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 7358799535. Listed at 16 retailers as of November 4, 2026, with a 170% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
K
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7358799535
Dimensions5.85 × 3.69 × 2.22 mm
L/W Ratio1.59
Top View
5.85 mm3.69 mm0.51 ctK / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7358799535
Side View
Table 58.0%CrownGirdle: ThickPavilionCulet: NoneDepth 60.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,363 GBP|Low: £304 GBP|High: £1,363 GBP|Avg: £494 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 7£304 GBP
Retailer 5£311 GBP
Retailer 6£312 GBP
Retailer 18£356 GBP
Retailer 11£370 GBP
Retailer 16£383 GBP
Retailer 17£383 GBP
Retailer 9£392 GBP
Retailer 3£410 GBP
Retailer 2£434 GBP
Retailer 13£439 GBP
Retailer 8£452 GBP
Retailer 4£467 GBP
Retailer 10£509 GBP
Retailer 12£533 GBP
Retailer 14£551 GBP
Retailer 15£820 GBP
NZ Jewellers£1,363 GBP

30 data points across 18 retailers

16 retailers£304 GBP to £820 GBP

B+
Cheapest Retailer
-
£304 GBP
B+
Retailer 2
-
£312 GBP
View
B+
Retailer 3
-
£356 GBP
View
B+
Retailer 4
-
£370 GBP
View
Retailer 5
-
£383 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£383 GBP
View
B
Retailer 7
-
£410 GBP
View
B
Retailer 8
-
£434 GBP
View
B
Retailer 9
-
£439 GBP
View
B
Retailer 10
-
£452 GBP
View
B
Retailer 11
-
£467 GBP
View
B
Retailer 12
-
£509 GBP
View
B
Retailer 13
-
£533 GBP
View
B
Retailer 14
-
£551 GBP
View
C
Retailer 15
-
£820 GBP
View
Most Expensive
NZ Jewellers
9b9a52ca-6944-418a-9bd2-26834e7a52c6 · Nov 5
£1,363 GBP
$1,834 USD
View
Price under review
15 more retailers have this diamond
Prices start from £304 GBPSave up to £516 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
£304 GBP