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Marquise|Natural|GIA

1.00ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1553229329

Certificate GIA 1553229329

Diamond specifications and retailer prices

From $5,139 AUD
As of November 4, 2026
Save $6,093 AUD (54%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $11,232 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic 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 1553229329. Listed at 23 retailers as of November 3, 2026, with prices from $5,139 to $11,232, a $6,093 spread on the same certified stone. NZ Jewellers lists it at $11,232. 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

1.00
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553229329
Dimensions10.01 × 5.22 × 3.28 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
10.01 mm5.22 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553229329
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.8%

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 4
Current: $11,232 AUD|Low: $5,269 AUD|High: $11,232 AUD|Avg: $6,941 AUD
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
Retailer 14
Retailer 15
Retailer 16
November 4, 2026
Retailer 14$5,269 AUD
Retailer 7$5,486 AUD
Retailer 13$5,841 AUD
Retailer 15$5,841 AUD
Retailer 16$5,841 AUD
Retailer 4$5,901 AUD
Retailer 10$6,287 AUD
Retailer 5$6,353 AUD
Retailer 2$6,531 AUD
Retailer 8$6,532 AUD
Retailer 3$6,739 AUD
Retailer 6$6,807 AUD
Retailer 9$7,267 AUD
Retailer 11$7,924 AUD
Retailer 12$10,323 AUD
NZ Jewellers$11,232 AUD

36 data points across 16 retailers

23 retailers$5,139 AUD to $11,232 AUD

A
Cheapest Retailer
-
$5,139 AUD
B+
Retailer 2
-
$5,216 AUD
View
A
Retailer 3
-
$5,269 AUD
View
B+
Retailer 4
-
$5,486 AUD
View
B+
Retailer 5
-
$5,563 AUD
View
B+
Retailer 6
-
$5,821 AUD
View
B+
Retailer 7
-
$5,841 AUD
View
B+
Retailer 8
-
$5,841 AUD
View
B+
Retailer 9
-
$5,841 AUD
View
Retailer 10
-
$5,841 AUD
View
Price last confirmed 27 days ago
B+
Retailer 11
-
$5,901 AUD
View
B+
Retailer 12
-
$6,287 AUD
View
B+
Retailer 13
-
$6,353 AUD
View
B+
Retailer 14
-
$6,531 AUD
View
Retailer 15
-
$6,532 AUD
View
Price last confirmed 31 days ago
B+
Retailer 16
-
$6,739 AUD
View
B+
Retailer 17
-
$6,760 AUD
View
B+
Retailer 18
-
$6,807 AUD
View
B+
Retailer 19
-
$7,267 AUD
View
Retailer 20
-
$7,291 AUD
View
Price last confirmed 22 days ago
B
Retailer 21
-
$7,924 AUD
View
B
Retailer 22
-
$10,323 AUD
View
Most Expensive
B
NZ Jewellers
a1bf38c8-41f3-48dd-a297-cb19d7fd7aa8 · Nov 3
$11,232 AUD
$7,844 USD
View
22 more retailers have this diamond
Prices start from $5,139 AUDSave up to $6,093 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
1.00ct Marquise
$5,139 AUD