Round|Natural|GIA

0.30ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6495125387

Certificate GIA 6495125387

Diamond specifications and retailer prices

From £179 GBP
₹22,891 INR
As of October 31, 2026
Save £789 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £968 GBP at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 0.3ct natural round diamond

This 0.3ct natural round sits in the sub-half-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6495125387. Listed at 20 retailers as of October 29, 2026, with a 440% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6495125387
Dimensions4.30 × 4.27 × 2.63 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.30 mm4.27 mm0.30 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6495125387
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.4%

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: £968 GBP|Low: £179 GBP|High: £968 GBP|Avg: £422 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5£179 GBP
Retailer 8£252 GBP
Retailer 9£272 GBP
Retailer 11£272 GBP
Retailer 10£281 GBP
Retailer 4£325 GBP
Retailer 3£400 GBP
Retailer 2£415 GBP
Retailer 6£587 GBP
Retailer 7£758 GBP
NZ Jewellers£968 GBP

40 data points across 11 retailers

20 retailers£179 GBP to £968 GBP

A
Cheapest Retailer
-
£179 GBP
₹22,891 INR
A
Retailer 2
-
£239 GBP
$320 USD
View
A
Retailer 3
-
£252 GBP
$338 USD
View
Retailer 4
-
£252 GBP
$338 USD
View
Price last confirmed 39 days ago
Retailer 5
-
£265 GBP
$356 USD
View
Price last confirmed 46 days ago
A
Retailer 6
-
£266 GBP
SGD 482 SGD
View
A
Retailer 7
-
£272 GBP
$364 USD
View
A
Retailer 8
-
£277 GBP
A$571 AUD
View
A
Retailer 9
-
£281 GBP
$377 USD
View
B+
Retailer 10
-
£325 GBP
View
Retailer 11
-
£340 GBP
$455 USD
View
Price last confirmed 41 days ago
B+
Retailer 12
-
£350 GBP
$469 USD
View
B+
Retailer 13
-
£400 GBP
$536 USD
View
B+
Retailer 14
-
£415 GBP
€530 EUR
View
B
Retailer 15
-
£455 GBP
View
B
Retailer 16
-
£575 GBP
View
B
Retailer 17
-
£587 GBP
View
B
Retailer 18
-
£758 GBP
View
B
Retailer 19
-
£968 GBP
$1,297 USD
View
Most Expensive
NZ Jewellers
5fe270e6-0dd6-456f-9505-4decb3743b47 · Sep 24
£968 GBP
$1,297 USD
View
Price last confirmed 38 days ago
19 more retailers have this diamond
Prices start from £179 GBPSave up to £789 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 Round
£179 GBP