Round|Natural|IGI

0.21ct D I1 Round Natural Diamond

EX • D/I1 • IGI 831667537

Shape and cutting style on the report: Round brilliant

Certificate IGI 831667537

Diamond specifications and retailer prices

From £52 GBP
₹6,649 INR
As of October 31, 2026
Save £334 GBP (86%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £386 GBP at NZ Jewellers · As of October 29, 2026
View at NZ Jewellers

About this 0.21ct natural round diamond

This 0.21ct 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 IGI 831667537. Listed at 8 retailers as of October 29, 2026, with prices from £52 to £386, a £334 spread on the same certified stone. NZ Jewellers lists it at £386. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.21
Carat
D
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 831667537
Dimensions3.92 × 3.94 × 2.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
3.92 mm3.94 mm0.21 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 831667537
Side View
Table 58.0%Crown 31.7°Girdle: THN-MEDPavilion 41.4°CuletDepth 59.6%

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: Oct 31
Current: £386 GBP|Low: £52 GBP|High: £436 GBP|Avg: £142 GBP|-11.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3£52 GBP
Retailer 2£84 GBP
Retailer 4£92 GBP
Retailer 8£96 GBP
Retailer 7£100 GBP
Retailer 5£113 GBP
Retailer 6£170 GBP
NZ Jewellers£386 GBP

24 data points across 8 retailers

8 retailers£52 GBP to £386 GBP

A
Cheapest Retailer
-
£52 GBP
₹6,649 INR
A
Retailer 2
-
£84 GBP
$112 USD
View
A
Retailer 3
-
£92 GBP
$124 USD
View
A
Retailer 4
-
£96 GBP
$129 USD
View
A
Retailer 5
-
£100 GBP
$134 USD
View
A
Retailer 6
-
£113 GBP
$151 USD
View
B+
Retailer 7
-
£170 GBP
€217 EUR
View
Most Expensive
B
NZ Jewellers
30af398a-5d3a-43de-a82a-7d9932c8f3fb · Oct 29
£386 GBP
$517 USD
View
7 more retailers have this diamond
Prices start from £52 GBPSave up to £334 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
0.21ct Round
£52 GBP