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Marquise|Natural|GIA

0.90ct I SI2 Marquise Natural Diamond

I/SI2 • GIA 6565593706

Certificate GIA 6565593706

Diamond specifications and retailer prices

From £934 GBP
$1,254 USD
As of November 2, 2026
Save £1,685 GBP (64%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,620 GBP at Moon Ocean · As of November 2, 2026
View at Moon Ocean

About this 0.9ct natural marquise diamond

This 0.9ct natural marquise sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included) and certified by GIA 6565593706. Listed at 5 retailers as of November 2, 2026, with prices from £934 to £2,620, a £1,685 spread on the same certified stone. Moon Ocean lists it at £2,620. 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

0.90
Carat
I
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6565593706
Dimensions9.32 × 4.96 × 3.15 mm
L/W Ratio1.88
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
9.32 mm4.96 mm0.90 ctI / SI2
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceStrong
CertificateGIA 6565593706
Side View
Table 59.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 63.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,620 GBP|Low: £934 GBP|High: £2,645 GBP|Avg: £1,853 GBP|-0.9%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5£934 GBP
Retailer 2£1,412 GBP
Retailer 3£1,864 GBP
Retailer 4£2,470 GBP
Moon Ocean£2,620 GBP

17 data points across 5 retailers

5 retailers£934 GBP to £2,620 GBP

B+
Cheapest Retailer
-
£934 GBP
$1,254 USD
Final sale: no returns
B
Retailer 2
-
£1,412 GBP
€1,804 EUR
View
B
Retailer 3
-
£1,864 GBP
View
C
Retailer 4
-
£2,470 GBP
$3,314 USD
View
Most Expensive
C
Moon Ocean
NVN-A4A15A7A7-706 · Nov 2
£2,620 GBP
View
4 more retailers have this diamond
Prices start from £934 GBPSave up to £1,685 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+
0.90ct Marquise
£934 GBP