Round|Natural|GIA

0.45ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1569598658

Certificate GIA 1569598658

Diamond specifications and retailer prices

From £232 GBP
As of November 6, 2026
Save £1,001 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,233 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1569598658. Listed at 20 retailers as of November 4, 2026, with prices from £232 to £1,233, a £1,001 spread on the same certified stone. NZ Jewellers lists it at £1,233. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1569598658
Dimensions4.97 × 4.99 × 2.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
4.97 mm4.99 mm0.45 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1569598658
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.1%

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: Nov 6
Current: £1,233 GBP|Low: £232 GBP|High: £1,254 GBP|Avg: £476 GBP|-1.7%
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
Retailer 19
Retailer 20
November 6, 2026
Retailer 2£232 GBP
Retailer 8£271 GBP
Retailer 12£276 GBP
Retailer 19£286 GBP
Retailer 9£322 GBP
Retailer 7£335 GBP
Retailer 14£340 GBP
Retailer 5£346 GBP
Retailer 18£353 GBP
Retailer 11£371 GBP
Retailer 15£395 GBP
Retailer 17£415 GBP
Retailer 3£441 GBP
Retailer 10£462 GBP
Retailer 6£467 GBP
Retailer 16£522 GBP
Retailer 13£647 GBP
Retailer 20£742 GBP
Retailer 4£909 GBP
NZ Jewellers£1,233 GBP

20 data points across 20 retailers

20 retailers£232 GBP to £1,233 GBP

A
Cheapest Retailer
-
£232 GBP
A
Retailer 2
-
£271 GBP
View
A
Retailer 3
-
£276 GBP
View
A
Retailer 4
-
£286 GBP
View
A
Retailer 5
-
£322 GBP
View
A
Retailer 6
-
£335 GBP
View
A
Retailer 7
-
£340 GBP
View
A
Retailer 8
-
£346 GBP
View
A
Retailer 9
-
£353 GBP
View
A
Retailer 10
-
£371 GBP
View
A
Retailer 11
-
£395 GBP
View
B+
Retailer 12
-
£415 GBP
View
B+
Retailer 13
-
£441 GBP
View
B+
Retailer 14
-
£462 GBP
View
B+
Retailer 15
-
£467 GBP
View
B+
Retailer 16
-
£522 GBP
View
B
Retailer 17
-
£647 GBP
View
B
Retailer 18
-
£742 GBP
View
B
Retailer 19
-
£909 GBP
View
Most Expensive
B
NZ Jewellers
1b4a9c25-635c-4270-8aa4-d770726392f6 · Nov 4
£1,233 GBP
$1,659 USD
View
19 more retailers have this diamond
Prices start from £232 GBPSave up to £1,001 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
£232 GBP