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Marquise|Natural|GIA

0.57ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 6561242838

Certificate GIA 6561242838

Diamond specifications and retailer prices

From £383 GBP
As of November 6, 2026
Save £1,205 GBP (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,588 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.57ct natural marquise diamond

This 0.57ct natural marquise sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561242838. Listed at 12 retailers as of November 5, 2026, with prices from £383 to £1,588, a £1,205 spread on the same certified stone. NZ Jewellers lists it at £1,588. 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

0.57
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561242838
Dimensions8.68 × 4.33 × 2.65 mm
L/W Ratio2.00
Girdle conditionSlightly Thick to Thick
Key to symbols
Twinning Wisp
Top View
8.68 mm4.33 mm0.57 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561242838
Side View
Table 61.0%CrownGirdle: UND-UNDPavilionCulet: NoneDepth 61.2%

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 6
Current: £1,588 GBP|Low: £383 GBP|High: £1,588 GBP|Avg: £720 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 5£383 GBP
Retailer 8£467 GBP
Retailer 10£507 GBP
Retailer 9£526 GBP
Retailer 11£584 GBP
Retailer 3£592 GBP
Retailer 4£625 GBP
Retailer 7£630 GBP
Retailer 6£716 GBP
Retailer 2£1,163 GBP
NZ Jewellers£1,588 GBP

35 data points across 11 retailers

12 retailers£383 GBP to £1,588 GBP

A
Cheapest Retailer
-
£383 GBP
A
Retailer 2
-
£467 GBP
View
Final sale: no returns
A
Retailer 3
-
£507 GBP
View
B+
Retailer 4
-
£526 GBP
View
B+
Retailer 5
-
£584 GBP
View
B+
Retailer 6
-
£592 GBP
View
B+
Retailer 7
-
£625 GBP
View
B+
Retailer 8
-
£630 GBP
View
B
Retailer 9
-
£716 GBP
View
B
Retailer 10
-
£1,161 GBP
View
B
Retailer 11
-
£1,163 GBP
View
Most Expensive
B
NZ Jewellers
3585645b-b322-42f4-83a1-1f85aaa1cbab · Nov 5
£1,588 GBP
$2,126 USD
View
11 more retailers have this diamond
Prices start from £383 GBPSave up to £1,205 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
0.57ct Marquise
£383 GBP