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Marquise|Natural|GIA

0.50ct I VS1 Marquise Natural Diamond

EX • I/VS1 • GIA 1568166900

Certificate GIA 1568166900

Diamond specifications and retailer prices

From £373 GBP
As of November 4, 2026
Save £1,287 GBP (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,660 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1568166900. Listed at 13 retailers as of November 4, 2026, with prices from £373 to £1,660, a £1,287 spread on the same certified stone. NZ Jewellers lists it at £1,660. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.50
Carat
I
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1568166900
Dimensions7.63 × 4.26 × 2.56 mm
L/W Ratio1.79
Girdle conditionVery Thick
Top View
7.63 mm4.26 mm0.50 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1568166900
Side View
Table 59.0%CrownGirdle: ThickPavilionCulet: NoneDepth 60.0%

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 4
Current: £1,660 GBP|Low: £373 GBP|High: £1,913 GBP|Avg: £799 GBP|-13.2%
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
November 6, 2026
Retailer 4£373 GBP
Retailer 6£395 GBP
Retailer 11£487 GBP
Retailer 10£539 GBP
Retailer 12£627 GBP
Retailer 2£628 GBP
Retailer 13£725 GBP
Retailer 8£749 GBP
Retailer 7£817 GBP
Retailer 5£917 GBP
Retailer 3£1,064 GBP
Retailer 9£1,221 GBP
NZ Jewellers£1,660 GBP

35 data points across 13 retailers

13 retailers£373 GBP to £1,660 GBP

A
Cheapest Retailer
-
£373 GBP
Final sale: no returns
A
Retailer 2
-
£395 GBP
View
A
Retailer 3
-
£487 GBP
View
A
Retailer 4
-
£539 GBP
View
B+
Retailer 5
-
£627 GBP
View
B+
Retailer 6
-
£628 GBP
View
B+
Retailer 7
-
£725 GBP
View
B+
Retailer 8
-
£749 GBP
View
B+
Retailer 9
-
£817 GBP
View
Retailer 10
-
£917 GBP
View
Price last confirmed 33 days ago
B
Retailer 11
-
£1,064 GBP
View
B
Retailer 12
-
£1,221 GBP
View
Most Expensive
B
NZ Jewellers
326257e9-8fdf-4f8c-801b-b85208bfb824 · Nov 5
£1,660 GBP
$2,234 USD
View
12 more retailers have this diamond
Prices start from £373 GBPSave up to £1,287 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
0.50ct Marquise
£373 GBP