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Radiant|Natural|GIA

0.30ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 6551757444

Certificate GIA 6551757444

Diamond specifications and retailer prices

From £141 GBP
₹17,838 INR
As of October 29, 2026
Save £718 GBP (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £859 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.3ct natural radiant diamond

This 0.3ct natural radiant sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551757444. Listed at 19 retailers as of October 27, 2026, with prices from £141 to £859, a £718 spread on the same certified stone. NZ Jewellers lists it at £859. 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

0.30
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
Crown angle36.4°
Pavilion angle55.4°
OriginNatural
Grading LabGIA
CertificateGIA 6551757444
Dimensions5.03 × 3.34 × 2.27 mm
L/W Ratio1.51
Girdle conditionPolished
Culet sizeNone
Top View
5.03 mm3.34 mm0.30 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6551757444
Side View
Table 69.0%Crown 36.4°Girdle: MED-STKPavilion 55.4°Culet: NoneDepth 68.0%

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 29
Current: £859 GBP|Low: £140 GBP|High: £904 GBP|Avg: £293 GBP|-5.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 12£141 GBP
Retailer 5£165 GBP
Retailer 6£173 GBP
Retailer 7£175 GBP
Retailer 17£190 GBP
Retailer 10£204 GBP
Retailer 9£211 GBP
Retailer 3£212 GBP
Retailer 16£255 GBP
Retailer 15£260 GBP
Retailer 11£284 GBP
Retailer 8£291 GBP
Retailer 18£293 GBP
Retailer 2£296 GBP
Retailer 14£320 GBP
Retailer 13£337 GBP
Retailer 4£439 GBP
NZ Jewellers£859 GBP

21 data points across 18 retailers

19 retailers£141 GBP to £859 GBP

A
Cheapest Retailer
-
£141 GBP
₹17,838 INR
A
Retailer 2
-
£165 GBP
$220 USD
View
A
Retailer 3
-
£173 GBP
HK$1,800 HKD
View
A
Retailer 4
-
£175 GBP
$233 USD
View
Final sale: no returns
A
Retailer 5
-
£190 GBP
$253 USD
View
A
Retailer 6
-
£204 GBP
$272 USD
View
A
Retailer 7
-
£211 GBP
SGD 379 SGD
View
A
Retailer 8
-
£212 GBP
$282 USD
View
A
Retailer 9
-
£255 GBP
$340 USD
View
A
Retailer 10
-
£260 GBP
View
A
Retailer 11
-
£284 GBP
$378 USD
View
A
Retailer 12
-
£291 GBP
$388 USD
View
A
Retailer 13
-
£293 GBP
ZAR 6,314 ZAR
View
B+
Retailer 14
-
£296 GBP
View
B+
Retailer 15
-
£320 GBP
$426 USD
View
Retailer 16
-
£336 GBP
A$688 AUD
View
Price last confirmed 26 days ago
B+
Retailer 17
-
£337 GBP
€428 EUR
View
B+
Retailer 18
-
£439 GBP
View
Most Expensive
B
NZ Jewellers
57d1e8be-8913-438c-be8f-eaa48966cbe1 · Oct 27
£859 GBP
$1,144 USD
View
18 more retailers have this diamond
Prices start from £141 GBPSave up to £718 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
0.30ct Radiant
£141 GBP