Round|Natural|GIA

2.18ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 2436944731

Certificate GIA 2436944731

Diamond specifications and retailer prices

From £5,368 GBP
As of November 4, 2026
Save £3,047 GBP (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £8,415 GBP at Cape Diamonds · As of November 6, 2026
View at Cape Diamonds

About this 2.18ct natural round diamond

This 2.18ct natural round sits in the two to three carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2436944731. Listed at 10 retailers as of November 4, 2026, with prices from £5,368 to £8,415, a £3,047 spread on the same certified stone. Cape Diamonds lists it at £8,415. 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

2.18
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2436944731
Dimensions8.16 × 8.23 × 5.17 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
8.16 mm8.23 mm2.18 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2436944731
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NDepth 63.1%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £8,415 GBP|Low: £5,368 GBP|High: £8,474 GBP|Avg: £7,020 GBP|+1.4%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7£5,368 GBP
Retailer 5£6,242 GBP
Retailer 4£6,731 GBP
Retailer 2£7,013 GBP
Retailer 6£7,027 GBP
Retailer 3£7,553 GBP
Cape Diamonds£8,415 GBP

42 data points across 7 retailers

10 retailers£5,368 GBP to £8,415 GBP

B+
Cheapest Retailer
-
£5,368 GBP
B
Retailer 2
-
£5,738 GBP
View
B
Retailer 3
-
£5,904 GBP
View
B
Retailer 4
-
£6,242 GBP
View
B
Retailer 5
-
£6,731 GBP
View
B
Retailer 6
-
£7,013 GBP
View
Retailer 7
-
£7,027 GBP
View
Price last confirmed 37 days ago
B
Retailer 8
-
£7,027 GBP
View
B
Retailer 9
-
£7,553 GBP
View
Most Expensive
B
Cape Diamonds
cert_2436944731 · Nov 6
£8,415 GBP
ZAR 182,971 ZAR
View
9 more retailers have this diamond
Prices start from £5,368 GBPSave up to £3,047 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+
2.18ct Round
£5,368 GBP