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Round|Natural|GIA

0.45ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1295188573

Certificate GIA 1295188573

Diamond specifications and retailer prices

From £233 GBP
₹29,570 INR
As of October 29, 2026
Save £582 GBP (71%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £815 GBP at Diamond Quarter · As of October 28, 2026
View at Diamond Quarter

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1295188573. Listed at 19 retailers as of October 28, 2026, with prices from £233 to £815, a £582 spread on the same certified stone. Diamond Quarter lists it at £815. 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

0.45
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1295188573
Dimensions4.99 × 4.95 × 3.00 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
4.99 mm4.95 mm0.45 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1295188573
Side View
Table 61.0%Crown 33.5°Girdle: THN-MEDPavilion 41.6°Culet: NoneDepth 60.4%

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 29
Current: £398 GBP|Low: £232 GBP|High: £753 GBP|Avg: £415 GBP|+6.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 2£233 GBP
Retailer 7£305 GBP
Retailer 6£327 GBP
Retailer 3£347 GBP
Retailer 8£354 GBP
Retailer 1£398 GBP
Retailer 9£424 GBP
Retailer 4£520 GBP
Retailer 5£745 GBP

41 data points across 9 retailers

19 retailers£233 GBP to £815 GBP

A
Cheapest Retailer
-
£233 GBP
₹29,570 INR
A
Retailer 2
-
£305 GBP
$406 USD
View
Retailer 3
-
£322 GBP
$429 USD
View
Price last confirmed 55 days ago
Retailer 4
-
£322 GBP
$429 USD
View
Price last confirmed 42 days ago
A
Retailer 5
-
£322 GBP
$429 USD
View
A
Retailer 6
-
£322 GBP
$429 USD
View
A
Retailer 7
-
£327 GBP
$435 USD
View
A
Retailer 8
-
£334 GBP
A$684 AUD
View
A
Retailer 9
-
£347 GBP
$462 USD
View
A
Retailer 10
-
£347 GBP
$462 USD
View
Retailer 11
-
£372 GBP
$495 USD
View
Price last confirmed 53 days ago
Retailer 12
-
£372 GBP
$495 USD
View
Price last confirmed 41 days ago
A
Retailer 13
-
£398 GBP
View
A
Retailer 14
-
£421 GBP
$560 USD
View
A
Retailer 15
-
£424 GBP
$565 USD
View
Retailer 16
-
£450 GBP
$600 USD
View
Price last confirmed 12 days ago
B+
Retailer 17
-
£520 GBP
€659 EUR
View
B+
Retailer 18
-
£745 GBP
View
Most Expensive
B
Diamond Quarter
0.45SI2E12730647N · Oct 28
£815 GBP
View
18 more retailers have this diamond
Prices start from £233 GBPSave up to £582 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
0.45ct Round
£233 GBP