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Marquise|Natural|GIA

1.02ct D SI1 Marquise Natural Diamond

D/SI1 • GIA 5553995690

Certificate GIA 5553995690

Diamond specifications and retailer prices

From $4,270 AUD
As of October 30, 2026
Save $5,680 AUD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,142 AUD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by GIA 5553995690. Listed at 14 retailers as of October 30, 2026, with a 133% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.02
Carat
D
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553995690
Dimensions10.24 × 5.18 × 3.08 mm
L/W Ratio1.98
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural
Top View
10.24 mm5.18 mm1.02 ctD / SI1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553995690
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.5%

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 30
Current: $9,950 AUD|Low: $4,214 AUD|High: $10,055 AUD|Avg: $6,160 AUD|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10$4,270 AUD
Retailer 5$4,356 AUD
Retailer 8$4,794 AUD
Retailer 3$5,272 AUD
Retailer 12$5,431 AUD
Retailer 2$5,587 AUD
Retailer 9$5,710 AUD
Retailer 11$5,710 AUD
Retailer 4$6,187 AUD
Retailer 7$6,594 AUD
Retailer 6$9,601 AUD
NZ Jewellers$9,950 AUD

32 data points across 12 retailers

14 retailers$4,270 AUD to $9,950 AUD

A
Cheapest Retailer
-
$4,270 AUD
A
Retailer 2
-
$4,356 AUD
View
B+
Retailer 3
-
$4,794 AUD
View
Retailer 4
-
$5,431 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$5,587 AUD
View
B+
Retailer 6
-
$5,666 AUD
View
B+
Retailer 7
-
$5,710 AUD
View
B+
Retailer 8
-
$5,710 AUD
View
Retailer 9
-
$5,821 AUD
View
Price last confirmed 37 days ago
Retailer 10
-
$6,187 AUD
View
Price last confirmed 31 days ago
B
Retailer 11
-
$6,594 AUD
View
B
Retailer 12
-
$9,601 AUD
View
B
Retailer 13
-
$9,950 AUD
View
Most Expensive
NZ Jewellers
943584ba-e27e-4e2a-98b2-9f30a3a71b31 · Sep 28
$10,142 AUD
$7,083 USD
View
Price last confirmed 37 days ago
13 more retailers have this diamond
Prices start from $4,270 AUDSave up to $5,680 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
1.02ct Marquise
$4,270 AUD