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Marquise|Natural|GIA

0.91ct I SI1 Marquise Natural Diamond

I/SI1 • GIA 6565775370

Certificate GIA 6565775370

Diamond specifications and retailer prices

From £1,577 GBP
$2,116 USD
As of November 2, 2026
Save £1,575 GBP (50%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,151 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 0.91ct natural marquise diamond

This 0.91ct natural marquise sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 6565775370. Listed at 3 retailers as of November 2, 2026, with prices from £1,577 to £3,151, a £1,575 spread on the same certified stone. NZ Jewellers lists it at £3,151. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.91
Carat
I
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6565775370
Dimensions9.33 × 4.83 × 3.24 mm
L/W Ratio1.93
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
9.33 mm4.83 mm0.91 ctI / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6565775370
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCuletDepth 67.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £3,151 GBP|Low: £1,577 GBP|High: £3,151 GBP|Avg: £2,421 GBP
NZ Jewellers
Retailer 2
Retailer 3
November 3, 2026
Retailer 2£1,577 GBP
Retailer 3£2,901 GBP
NZ Jewellers£3,151 GBP

2 data points across 3 retailers

3 retailers£1,577 GBP to £3,151 GBP

B
Cheapest Retailer
-
£1,577 GBP
$2,116 USD
C
Retailer 2
-
£2,901 GBP
View
Most Expensive
C
NZ Jewellers
c267ab8e-66cd-4d76-a36b-0e178afddba3 · Nov 3
£3,151 GBP
$4,229 USD
View
2 more retailers have this diamond
Prices start from £1,577 GBPSave up to £1,575 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.

B
0.91ct Marquise
£1,577 GBP