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Marquise|Natural|GIA

0.45ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 2566602092

Certificate GIA 2566602092

Diamond specifications and retailer prices

From £400 GBP
As of November 6, 2026
Save £199 GBP (33%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £599 GBP at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 0.45ct natural marquise diamond

This 0.45ct natural marquise sits in the sub-half-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566602092. Listed at 8 retailers as of November 4, 2026, with prices from £400 to £599, a £199 spread on the same certified stone. Wholesale Diamonds Direct lists it at £599. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.65°
Pavilion angle40.29°
OriginNatural
Grading LabGIA
CertificateGIA 2566602092
Dimensions8.21 × 3.82 × 2.42 mm
L/W Ratio2.15
Culet sizeNone
Top View
8.21 mm3.82 mm0.45 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566602092
Side View
Table 58.0%Crown 37.65°Girdle: THN-VTKPavilion 40.29°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £566 GBP|Low: £400 GBP|High: £599 GBP|Avg: £487 GBP|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 6, 2026
Retailer 7£400 GBP
Retailer 5£407 GBP
Retailer 2£414 GBP
Retailer 3£468 GBP
Retailer 4£471 GBP
Retailer 6£521 GBP
Retailer 1£566 GBP
Wholesale Diamonds Direct£599 GBP

22 data points across 8 retailers

8 retailers£400 GBP to £599 GBP

B+
Cheapest Retailer
-
£400 GBP
B+
Retailer 2
-
£407 GBP
View
A
Retailer 3
-
£414 GBP
View
B+
Retailer 4
-
£468 GBP
View
B+
Retailer 5
-
£471 GBP
View
B+
Retailer 6
-
£521 GBP
View
B
Retailer 7
-
£566 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
539790353 · Nov 4
£599 GBP
$802 USD
View
7 more retailers have this diamond
Prices start from £400 GBPSave up to £199 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 Marquise
£400 GBP