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Marquise|Natural|GIA

0.50ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 7561001020

Certificate GIA 7561001020

Diamond specifications and retailer prices

From £459 GBP
HK$4,800 HKD
As of October 30, 2026
Save £1,265 GBP (73%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,723 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 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 7561001020. Listed at 17 retailers as of October 30, 2026, with prices from £459 to £1,723, a £1,265 spread on the same certified stone. NZ Jewellers lists it at £1,723. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7561001020
Dimensions7.31 × 4.18 × 2.67 mm
L/W Ratio1.75
Key to symbols
Crystal, Feather
Top View
7.31 mm4.18 mm0.50 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7561001020
Side View
Table 60.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 63.8%

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 30
Current: £1,723 GBP|Low: £448 GBP|High: £1,723 GBP|Avg: £680 GBP|+3.8%
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
October 31, 2026
Retailer 5£459 GBP
Retailer 3£490 GBP
Retailer 4£507 GBP
Retailer 13£549 GBP
Retailer 15£549 GBP
Retailer 16£552 GBP
Retailer 8£571 GBP
Retailer 14£571 GBP
Retailer 6£632 GBP
Retailer 12£634 GBP
Retailer 7£648 GBP
Retailer 10£658 GBP
Retailer 2£660 GBP
Retailer 9£780 GBP
Retailer 11£1,012 GBP
NZ Jewellers£1,723 GBP

30 data points across 16 retailers

17 retailers£459 GBP to £1,723 GBP

A
Cheapest Retailer
-
£459 GBP
HK$4,800 HKD
Retailer 2
-
£490 GBP
$657 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
£507 GBP
$679 USD
View
Final sale: no returns
A
Retailer 4
-
£549 GBP
$736 USD
View
A
Retailer 5
-
£549 GBP
$736 USD
View
Retailer 6
-
£552 GBP
$740 USD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
£571 GBP
SGD 1,033 SGD
View
A
Retailer 8
-
£571 GBP
$765 USD
View
Retailer 9
-
£579 GBP
$776 USD
View
Price last confirmed 26 days ago
B+
Retailer 10
-
£632 GBP
$847 USD
View
B+
Retailer 11
-
£634 GBP
$850 USD
View
B+
Retailer 12
-
£648 GBP
$869 USD
View
B+
Retailer 13
-
£658 GBP
View
B+
Retailer 14
-
£660 GBP
View
B+
Retailer 15
-
£780 GBP
€995 EUR
View
B
Retailer 16
-
£1,012 GBP
View
Most Expensive
B
NZ Jewellers
d607f658-4904-45ae-8fb0-01fe37e64f57 · Oct 30
£1,723 GBP
$2,309 USD
View
16 more retailers have this diamond
Prices start from £459 GBPSave up to £1,265 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
£459 GBP