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Marquise|Natural|GIA

0.50ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 2564351846

Certificate GIA 2564351846

Diamond specifications and retailer prices

From £409 GBP
$548 USD
As of October 29, 2026
Save £982 GBP (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,391 GBP at NZ Jewellers · As of October 30, 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 E 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 2564351846. Listed at 15 retailers as of October 29, 2026, with prices from £409 to £1,391, a £982 spread on the same certified stone. NZ Jewellers lists it at £1,391. 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

0.50
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2564351846
Dimensions7.58 × 4.08 × 2.67 mm
L/W Ratio1.86
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
7.58 mm4.08 mm0.50 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2564351846
Side View
Table 57.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 65.6%

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: £1,391 GBP|Low: £375 GBP|High: £1,391 GBP|Avg: £601 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
Retailer 15
October 30, 2026
Retailer 14£409 GBP
Retailer 12£410 GBP
Retailer 3£443 GBP
Retailer 5£462 GBP
Retailer 13£478 GBP
Retailer 15£478 GBP
Retailer 4£512 GBP
Retailer 6£512 GBP
Retailer 2£531 GBP
Retailer 7£542 GBP
Retailer 8£545 GBP
Retailer 11£556 GBP
Retailer 10£608 GBP
Retailer 9£1,030 GBP
NZ Jewellers£1,391 GBP

32 data points across 15 retailers

15 retailers£409 GBP to £1,391 GBP

A
Cheapest Retailer
-
£409 GBP
$548 USD
Final sale: no returns
A
Retailer 2
-
£410 GBP
$550 USD
View
A
Retailer 3
-
£443 GBP
$594 USD
View
A
Retailer 4
-
£462 GBP
SGD 836 SGD
View
A
Retailer 5
-
£478 GBP
$640 USD
View
A
Retailer 6
-
£478 GBP
$640 USD
View
A
Retailer 7
-
£512 GBP
$686 USD
View
A
Retailer 8
-
£512 GBP
$686 USD
View
A
Retailer 9
-
£531 GBP
View
A
Retailer 10
-
£542 GBP
$726 USD
View
A
Retailer 11
-
£545 GBP
View
A
Retailer 12
-
£556 GBP
View
B+
Retailer 13
-
£608 GBP
€776 EUR
View
B
Retailer 14
-
£1,030 GBP
View
Most Expensive
B
NZ Jewellers
27af18b6-bcce-40f9-92fd-092055637a4b · Oct 30
£1,391 GBP
$1,864 USD
View
14 more retailers have this diamond
Prices start from £409 GBPSave up to £982 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
£409 GBP