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Marquise|Natural|GIA

0.90ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 6542279516

Certificate GIA 6542279516

Diamond specifications and retailer prices

From $2,503 AUD
$1,754 USD
As of November 1, 2026
Save $1,768 AUD (41%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,271 AUD at 77 Diamonds · As of November 3, 2026
View at 77 Diamonds

About this 0.9ct natural marquise diamond

This 0.9ct natural marquise sits in the just-under-one-carat band, graded H 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 6542279516. Listed at 5 retailers as of November 1, 2026, with prices from $2,503 to $4,271, a $1,768 spread on the same certified stone. 77 Diamonds lists it at $4,271. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542279516
Dimensions9.49 × 5.13 × 3.06 mm
L/W Ratio1.85
Top View
9.49 mm5.13 mm0.90 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542279516
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 59.7%

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: $4,271 AUD|Low: $2,503 AUD|High: $4,271 AUD|Avg: $3,229 AUD|+2.4%
77 Diamonds
Retailer 2
Retailer 3
November 3, 2026
Retailer 2$2,503 AUD
Retailer 3$2,832 AUD
77 Diamonds$4,271 AUD

33 data points across 3 retailers

5 retailers$2,503 AUD to $4,271 AUD

A
Cheapest Retailer
-
$2,503 AUD
$1,754 USD
B+
Retailer 2
-
$2,792 AUD
$1,957 USD
View
B+
Retailer 3
-
$2,832 AUD
$1,985 USD
View
B+
Retailer 4
-
$3,017 AUD
$2,114 USD
View
Most Expensive
B
77 Diamonds
MQZYPAYXTGY · Nov 3
$4,271 AUD
£2,357 GBP
View
4 more retailers have this diamond
Prices start from $2,503 AUDSave up to $1,768 AUD

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
$2,503 AUD