CaratHunter
Plans
Emerald|Natural|IGI

0.51ct G IF Emerald Natural Diamond

VG • G/IF • IGI 698520635

Shape and cutting style on the report: Emerald cut

Certificate IGI 698520635

Diamond specifications and retailer prices

From £475 GBP
As of November 4, 2026
Save £1,140 GBP (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,615 GBP at NZ Jewellers · As of October 17, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI 698520635. Listed at 14 retailers as of November 4, 2026, with a 240% 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
G
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.4°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 698520635
Dimensions5.55 × 3.70 × 2.51 mm
L/W Ratio1.50
Culet sizeLong
Top View
5.55 mm3.70 mm0.51 ctG / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 698520635
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 41.7°Culet: LNGDepth 67.8%

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: Nov 4
Current: £648 GBP|Low: £436 GBP|High: £1,203 GBP|Avg: £673 GBP|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 2£475 GBP
Retailer 8£515 GBP
Retailer 11£515 GBP
Retailer 7£535 GBP
Retailer 10£594 GBP
Retailer 3£613 GBP
Retailer 1£648 GBP
Retailer 9£648 GBP
Retailer 5£729 GBP
Retailer 4£794 GBP
Retailer 6£1,189 GBP

27 data points across 11 retailers

14 retailers£475 GBP to £1,615 GBP

A
Cheapest Retailer
-
£475 GBP
Final sale: no returns
A
Retailer 2
-
£515 GBP
View
Retailer 3
-
£515 GBP
View
Price last confirmed 7 days ago
A
Retailer 4
-
£535 GBP
View
A
Retailer 5
-
£594 GBP
View
B+
Retailer 6
-
£613 GBP
View
B+
Retailer 7
-
£648 GBP
View
B+
Retailer 8
-
£648 GBP
View
B+
Retailer 9
-
£729 GBP
View
B+
Retailer 10
-
£794 GBP
View
B
Retailer 11
-
£1,027 GBP
View
B
Retailer 12
-
£1,189 GBP
View
B
Retailer 13
-
£1,615 GBP
View
Most Expensive
NZ Jewellers
67cf7e8e-fa08-482f-84d4-e8283c04d410 · Oct 17
£1,615 GBP
$2,180 USD
View
Price last confirmed 18 days ago
13 more retailers have this diamond
Prices start from £475 GBPSave up to £1,140 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
£475 GBP