Round|Natural|GIA

0.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7532271285

Certificate GIA 7532271285

Diamond specifications and retailer prices

From £241 GBP
As of November 6, 2026
Save £491 GBP (67%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,245 GBP at NZ Jewellers · As of October 23, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7532271285. Listed at 17 retailers as of November 4, 2026, with a 203% 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

0.45
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7532271285
Dimensions4.90 × 4.88 × 3.06 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
4.90 mm4.88 mm0.45 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 7532271285
Side View
Table 57.0%Crown 36.5°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.7%

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: £1,245 GBP|Low: £239 GBP|High: £1,311 GBP|Avg: £453 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
November 6, 2026
Retailer 2£241 GBP
Retailer 14£285 GBP
Retailer 3£290 GBP
Retailer 12£293 GBP
Retailer 5£325 GBP
Retailer 13£343 GBP
Retailer 4£345 GBP
Retailer 6£350 GBP
Retailer 8£350 GBP
Retailer 7£375 GBP
Retailer 9£389 GBP
Retailer 10£421 GBP
Retailer 11£476 GBP
Retailer 16£531 GBP
Retailer 15£733 GBP
NZ Jewellers£1,245 GBP

31 data points across 16 retailers

17 retailers£241 GBP to £733 GBP

A
Cheapest Retailer
-
£241 GBP
A
Retailer 2
-
£285 GBP
View
A
Retailer 3
-
£290 GBP
View
A
Retailer 4
-
£293 GBP
View
Final sale: no returns
Retailer 5
-
£325 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
£343 GBP
View
Retailer 7
-
£345 GBP
View
Price last confirmed 10 days ago
Retailer 8
-
£350 GBP
View
Price last confirmed 22 days ago
Retailer 9
-
£350 GBP
View
Price last confirmed 15 days ago
Retailer 10
-
£375 GBP
View
Price last confirmed 14 days ago
A
Retailer 11
-
£389 GBP
View
A
Retailer 12
-
£421 GBP
View
A
Retailer 13
-
£476 GBP
View
B+
Retailer 14
-
£531 GBP
View
Retailer 15
-
£533 GBP
View
Price last confirmed 34 days ago
B+
Retailer 16
-
£733 GBP
View
Most Expensive
NZ Jewellers
11e03719-b926-41e1-a86b-f6791c972214 · Oct 23
£1,245 GBP
$1,676 USD
View
Price last confirmed 14 days ago
16 more retailers have this diamond
Prices start from £241 GBPSave up to £491 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
£241 GBP