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Round|Natural|GIA

0.18ct D I1 Round Natural Diamond

EX • D/I1 • GIA 2478262227

Certificate GIA 2478262227

Diamond specifications and retailer prices

From £105 GBP
₹13,393 INR
As of October 31, 2026
Save £169 GBP (62%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £274 GBP at B2C Jewels · As of October 30, 2026
View at B2C Jewels

About this 0.18ct natural round diamond

This 0.18ct natural round sits in the sub-half-carat band, graded D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 2478262227. Listed at 4 retailers as of October 30, 2026, with prices from £105 to £274, a £169 spread on the same certified stone. B2C Jewels lists it at £274. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.18
Carat
D
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2478262227
Dimensions3.62 × 3.64 × 2.20 mm
L/W Ratio1.01
Star length50%
Top View
3.62 mm3.64 mm0.18 ctD / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2478262227
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £274 GBP|Low: £105 GBP|High: £274 GBP|Avg: £176 GBP|+0.5%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 2£105 GBP
Retailer 5£157 GBP
Retailer 3£166 GBP
Retailer 4£172 GBP
B2C Jewels£274 GBP

43 data points across 5 retailers

4 retailers£105 GBP to £274 GBP

A
Cheapest Retailer
-
£105 GBP
₹13,393 INR
B+
Retailer 2
-
£166 GBP
$223 USD
View
B+
Retailer 3
-
£172 GBP
$231 USD
View
Most Expensive
B
B2C Jewels
21781549 · Oct 30
£274 GBP
$367 USD
View
3 more retailers have this diamond
Prices start from £105 GBPSave up to £169 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
0.18ct Round
£105 GBP