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Round|Natural|GIA

2.18ct M IF Round Natural Diamond

EX • M/IF • GIA 2507870780

Certificate GIA 2507870780

Diamond specifications and retailer prices

From £6,431 GBP
As of November 5, 2026
Save £5,893 GBP (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £12,325 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.18ct natural round diamond

This 2.18ct natural round sits in the two to three carat band, graded M colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2507870780. Listed at 7 retailers as of November 5, 2026, with prices from £6,431 to £12,325, a £5,893 spread on the same certified stone. NZ Jewellers lists it at £12,325. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

2.18
Carat
M
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2507870780
Dimensions8.31 × 8.36 × 5.13 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
8.31 mm8.36 mm2.18 ctM / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2507870780
Side View
Table 58.0%Crown 35°GirdlePavilion 41°Culet: NoneDepth 61.5%

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: Nov 5
Current: £12,325 GBP|Low: £6,431 GBP|High: £12,360 GBP|Avg: £8,429 GBP|+15.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4£6,431 GBP
Retailer 8£7,235 GBP
Retailer 5£7,369 GBP
Retailer 6£7,482 GBP
Retailer 3£7,989 GBP
Retailer 2£8,024 GBP
Retailer 7£8,502 GBP
NZ Jewellers£12,325 GBP

43 data points across 8 retailers

7 retailers£6,431 GBP to £12,325 GBP

A
Cheapest Retailer
-
£6,431 GBP
A
Retailer 2
-
£7,369 GBP
View
A
Retailer 3
-
£7,482 GBP
View
B+
Retailer 4
-
£7,989 GBP
View
B+
Retailer 5
-
£8,024 GBP
View
B+
Retailer 6
-
£8,502 GBP
View
Most Expensive
B
NZ Jewellers
a1af7fd9-65e3-464d-b977-11eb41faf11d · Nov 5
£12,325 GBP
$16,588 USD
View
6 more retailers have this diamond
Prices start from £6,431 GBPSave up to £5,893 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
2.18ct Round
£6,431 GBP