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Marquise|Natural|GIA

0.90ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6535675049

Certificate GIA 6535675049

Diamond specifications and retailer prices

From £1,980 GBP
$2,657 USD
As of October 31, 2026
Save £2,368 GBP (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £4,348 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.9ct natural marquise diamond

This 0.9ct natural marquise sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6535675049. Listed at 13 retailers as of October 30, 2026, with prices from £1,980 to £4,348, a £2,368 spread on the same certified stone. NZ Jewellers lists it at £4,348. 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

0.90
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6535675049
Dimensions9.95 × 5.06 × 3.09 mm
L/W Ratio1.97
Top View
9.95 mm5.06 mm0.90 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6535675049
Side View
Table 54.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.0%

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: Oct 31
Current: £4,348 GBP|Low: £1,980 GBP|High: £4,657 GBP|Avg: £2,798 GBP
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
November 2, 2026
Retailer 9£1,980 GBP
Retailer 11£2,002 GBP
Retailer 10£2,045 GBP
Retailer 12£2,087 GBP
Retailer 8£2,261 GBP
Retailer 4£2,348 GBP
Retailer 5£2,493 GBP
Retailer 3£2,609 GBP
Retailer 6£2,612 GBP
Retailer 13£2,779 GBP
Retailer 2£2,921 GBP
Retailer 7£4,175 GBP
NZ Jewellers£4,348 GBP

42 data points across 13 retailers

13 retailers£1,980 GBP to £4,348 GBP

B+
Cheapest Retailer
-
£1,980 GBP
$2,657 USD
B+
Retailer 2
-
£2,002 GBP
$2,687 USD
View
B+
Retailer 3
-
£2,045 GBP
$2,744 USD
View
B+
Retailer 4
-
£2,087 GBP
$2,801 USD
View
Final sale: no returns
B+
Retailer 5
-
£2,107 GBP
A$4,350 AUD
View
B+
Retailer 6
-
£2,261 GBP
$3,034 USD
View
B+
Retailer 7
-
£2,348 GBP
$3,151 USD
View
B
Retailer 8
-
£2,609 GBP
$3,501 USD
View
B
Retailer 9
-
£2,612 GBP
View
B
Retailer 10
-
£2,779 GBP
$3,730 USD
View
B
Retailer 11
-
£2,921 GBP
€3,733 EUR
View
B
Retailer 12
-
£4,175 GBP
View
Most Expensive
B
NZ Jewellers
e4b62f5c-802d-4fe7-8ceb-98a2cecd961f · Oct 30
£4,348 GBP
$5,835 USD
View
12 more retailers have this diamond
Prices start from £1,980 GBPSave up to £2,368 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
£1,980 GBP