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Marquise|Natural|GIA

0.90ct I SI2 Marquise Natural Diamond

GD • I/SI2 • GIA 7438374065

Certificate GIA 7438374065

Diamond specifications and retailer prices

From £1,081 GBP
$1,450 USD
As of November 1, 2026
Save £1,950 GBP (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,030 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), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 7438374065. Listed at 13 retailers as of November 2, 2026, with prices from £1,081 to £3,030, a £1,950 spread on the same certified stone. Moon Ocean lists it at £3,030. 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
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7438374065
Dimensions9.69 × 4.93 × 3.00 mm
L/W Ratio1.97
Top View
9.69 mm4.93 mm0.90 ctI / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7438374065
Side View
Table 55.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 60.9%

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 1
Current: £3,030 GBP|Low: £1,008 GBP|High: £3,125 GBP|Avg: £1,606 GBP|-3.0%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5£1,081 GBP
Retailer 6£1,081 GBP
Retailer 7£1,086 GBP
Retailer 8£1,138 GBP
Retailer 2£1,301 GBP
Retailer 4£1,599 GBP
Retailer 3£2,052 GBP
Moon Ocean£3,030 GBP

43 data points across 8 retailers

13 retailers£1,081 GBP to £3,030 GBP

B+
Cheapest Retailer
-
£1,081 GBP
$1,450 USD
A
Retailer 2
-
£1,081 GBP
$1,450 USD
View
Final sale: no returns
B+
Retailer 3
-
£1,086 GBP
$1,457 USD
View
B+
Retailer 4
-
£1,138 GBP
$1,527 USD
View
Retailer 5
-
£1,192 GBP
$1,600 USD
View
Price last confirmed 25 days ago
Retailer 6
-
£1,192 GBP
$1,600 USD
View
Price last confirmed 25 days ago
Retailer 7
-
£1,247 GBP
$1,674 USD
View
Price last confirmed 32 days ago
B+
Retailer 8
-
£1,301 GBP
View
Retailer 9
-
£1,376 GBP
$1,846 USD
View
Price last confirmed 24 days ago
B
Retailer 10
-
£1,599 GBP
€2,044 EUR
View
B
Retailer 11
-
£2,052 GBP
View
Retailer 12
-
£2,908 GBP
$3,903 USD
View
Price last confirmed 33 days ago
Most Expensive
C
Moon Ocean
NVN-5438C8CE3-065 · Nov 2
£3,030 GBP
View
12 more retailers have this diamond
Prices start from £1,081 GBPSave up to £1,950 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
0.90ct Marquise
£1,081 GBP