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Round|Natural|GIA

0.45ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 7518699425

Certificate GIA 7518699425

Diamond specifications and retailer prices

From £294 GBP
₹37,296 INR
As of October 29, 2026
Save £952 GBP (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,246 GBP at NZ Jewellers · As of October 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7518699425. Listed at 14 retailers as of October 29, 2026, with prices from £294 to £1,246, a £952 spread on the same certified stone. NZ Jewellers lists it at £1,246. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7518699425
Dimensions4.91 × 4.87 × 3.07 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Key to symbols
Crystal
Top View
4.91 mm4.87 mm0.45 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7518699425
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°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: Oct 29
Current: £1,246 GBP|Low: £293 GBP|High: £1,246 GBP|Avg: £502 GBP
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
October 30, 2026
Retailer 8£294 GBP
Retailer 14£336 GBP
Retailer 5£418 GBP
Retailer 3£421 GBP
Retailer 11£430 GBP
Retailer 12£430 GBP
Retailer 6£451 GBP
Retailer 13£460 GBP
Retailer 7£496 GBP
Retailer 2£496 GBP
Retailer 4£555 GBP
Retailer 10£595 GBP
Retailer 9£927 GBP
NZ Jewellers£1,246 GBP

38 data points across 14 retailers

14 retailers£294 GBP to £1,246 GBP

A
Cheapest Retailer
-
£294 GBP
₹37,296 INR
A
Retailer 2
-
£336 GBP
HK$3,500 HKD
View
A
Retailer 3
-
£399 GBP
$532 USD
View
Retailer 4
-
£418 GBP
$557 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
£421 GBP
SGD 757 SGD
View
A
Retailer 6
-
£430 GBP
$572 USD
View
A
Retailer 7
-
£430 GBP
$572 USD
View
A
Retailer 8
-
£460 GBP
$613 USD
View
B+
Retailer 9
-
£496 GBP
View
B+
Retailer 10
-
£496 GBP
$661 USD
View
B+
Retailer 11
-
£555 GBP
$739 USD
View
B+
Retailer 12
-
£595 GBP
€754 EUR
View
B
Retailer 13
-
£927 GBP
View
Most Expensive
B
NZ Jewellers
e71cd506-24b4-46ed-8f29-94ec746879fd · Oct 29
£1,246 GBP
$1,659 USD
View
13 more retailers have this diamond
Prices start from £294 GBPSave up to £952 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
£294 GBP