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Marquise|Natural|GIA

0.90ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6561603305

Certificate GIA 6561603305

Diamond specifications and retailer prices

From $2,991 AUD
SGD 2,833 SGD
As of October 31, 2026
Save $2,292 AUD (43%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,283 AUD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 0.9ct natural marquise diamond

This 0.9ct natural marquise sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561603305. Listed at 12 retailers as of October 27, 2026, with prices from $2,991 to $5,283, a $2,292 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,283. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle34.05°
Pavilion angle42.18°
OriginNatural
Grading LabGIA
CertificateGIA 6561603305
Dimensions9.69 × 5.11 × 3.17 mm
L/W Ratio1.90
Culet sizeNone
Top View
9.69 mm5.11 mm0.90 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6561603305
Side View
Table 59.0%Crown 34.05°Girdle: MED-VTKPavilion 42.18°Culet: NoneDepth 62.0%

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: Oct 31
Current: $4,185 AUD|Low: $3,221 AUD|High: $5,283 AUD|Avg: $3,832 AUD|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 2, 2026
Retailer 8$3,221 AUD
Retailer 5$3,225 AUD
Retailer 9$3,231 AUD
Retailer 10$3,249 AUD
Retailer 3$3,483 AUD
Retailer 7$3,539 AUD
Retailer 4$3,836 AUD
Retailer 2$4,030 AUD
Retailer 1$4,185 AUD
Retailer 6$4,953 AUD
Wholesale Diamonds Direct$5,283 AUD

20 data points across 11 retailers

12 retailers$2,991 AUD to $5,283 AUD

A
Cheapest Retailer
-
$2,991 AUD
SGD 2,833 SGD
A
Retailer 2
-
$3,221 AUD
$2,257 USD
View
A
Retailer 3
-
$3,225 AUD
$2,260 USD
View
A
Retailer 4
-
$3,231 AUD
$2,264 USD
View
A
Retailer 5
-
$3,249 AUD
$2,277 USD
View
B+
Retailer 6
-
$3,483 AUD
£1,922 GBP
View
B+
Retailer 7
-
$3,539 AUD
SGD 3,352 SGD
View
B+
Retailer 8
-
$3,836 AUD
$2,688 USD
View
B+
Retailer 9
-
$4,030 AUD
$2,824 USD
View
B+
Retailer 10
-
$4,185 AUD
€2,793 EUR
View
B
Retailer 11
-
$4,953 AUD
$3,471 USD
View
Most Expensive
B
Wholesale Diamonds Direct
611171702 · Oct 27
$5,283 AUD
$3,703 USD
View
11 more retailers have this diamond
Prices start from $2,991 AUDSave up to $2,292 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
$2,991 AUD