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Marquise|Natural|GIA

1.00ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1563325145

Certificate GIA 1563325145

Diamond specifications and retailer prices

From $4,324 AUD
As of November 1, 2026
Save $5,672 AUD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,996 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 1563325145. Listed at 16 retailers as of November 1, 2026, with prices from $4,324 to $9,996, a $5,672 spread on the same certified stone. NZ Jewellers lists it at $9,996. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1563325145
Dimensions9.87 × 5.20 × 3.24 mm
L/W Ratio1.90
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Cloud, Needle
Top View
9.87 mm5.20 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563325145
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.2%

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: $9,996 AUD|Low: $4,289 AUD|High: $10,357 AUD|Avg: $6,128 AUD|-3.5%
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
November 3, 2026
Retailer 10$4,324 AUD
Retailer 8$4,354 AUD
Retailer 13$4,817 AUD
Retailer 11$4,997 AUD
Retailer 6$5,279 AUD
Retailer 5$5,297 AUD
Retailer 4$5,457 AUD
Retailer 2$5,587 AUD
Retailer 14$5,738 AUD
Retailer 15$5,738 AUD
Retailer 3$6,088 AUD
Retailer 7$6,620 AUD
Retailer 12$6,623 AUD
Retailer 9$9,594 AUD
NZ Jewellers$9,996 AUD

27 data points across 15 retailers

16 retailers$4,324 AUD to $9,996 AUD

A
Cheapest Retailer
-
$4,324 AUD
A
Retailer 2
-
$4,354 AUD
View
A
Retailer 3
-
$4,817 AUD
View
A
Retailer 4
-
$4,997 AUD
View
B+
Retailer 5
-
$5,279 AUD
View
B+
Retailer 6
-
$5,297 AUD
View
Final sale: no returns
Retailer 7
-
$5,457 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$5,587 AUD
View
B+
Retailer 9
-
$5,738 AUD
View
B+
Retailer 10
-
$5,738 AUD
View
B+
Retailer 11
-
$6,088 AUD
View
Retailer 12
-
$6,521 AUD
View
Price last confirmed 31 days ago
B+
Retailer 13
-
$6,620 AUD
View
B+
Retailer 14
-
$6,623 AUD
View
B
Retailer 15
-
$9,594 AUD
View
Most Expensive
B
NZ Jewellers
a3d4d52a-5845-4a2c-86ac-15a7a993e606 · Nov 3
$9,996 AUD
$6,981 USD
View
15 more retailers have this diamond
Prices start from $4,324 AUDSave up to $5,672 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
$4,324 AUD