Marquise|Natural|GIA

1.02ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 5553978903

Certificate GIA 5553978903

Diamond specifications and retailer prices

From $3,856 AUD
As of November 4, 2026
Save $5,146 AUD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,002 AUD at NZ Jewellers · As of November 3, 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), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553978903. Listed at 15 retailers as of November 3, 2026, with prices from $3,856 to $9,002, a $5,146 spread on the same certified stone. NZ Jewellers lists it at $9,002. 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

1.02
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553978903
Dimensions9.65 × 5.33 × 3.44 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
9.65 mm5.33 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553978903
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.6%

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: $9,002 AUD|Low: $3,856 AUD|High: $9,002 AUD|Avg: $5,010 AUD|+12.1%
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
November 4, 2026
Retailer 13$3,856 AUD
Retailer 7$3,859 AUD
Retailer 11$3,975 AUD
Retailer 8$4,193 AUD
Retailer 3$4,306 AUD
Retailer 5$4,407 AUD
Retailer 9$4,472 AUD
Retailer 2$4,558 AUD
Retailer 6$4,784 AUD
Retailer 14$4,866 AUD
Retailer 12$4,920 AUD
Retailer 10$4,969 AUD
Retailer 4$7,201 AUD
NZ Jewellers$9,002 AUD

29 data points across 14 retailers

15 retailers$3,856 AUD to $9,002 AUD

A
Cheapest Retailer
-
$3,856 AUD
A
Retailer 2
-
$3,859 AUD
View
A
Retailer 3
-
$3,975 AUD
View
Final sale: no returns
A
Retailer 4
-
$4,193 AUD
View
A
Retailer 5
-
$4,306 AUD
View
A
Retailer 6
-
$4,407 AUD
View
A
Retailer 7
-
$4,472 AUD
View
A
Retailer 8
-
$4,558 AUD
View
Retailer 9
-
$4,784 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$4,866 AUD
View
A
Retailer 11
-
$4,920 AUD
View
A
Retailer 12
-
$4,969 AUD
View
Retailer 13
-
$5,052 AUD
View
Price last confirmed 31 days ago
B+
Retailer 14
-
$7,201 AUD
View
Most Expensive
B
NZ Jewellers
0442ce6a-9e67-478d-b642-a336f092282d · Nov 3
$9,002 AUD
$6,287 USD
View
14 more retailers have this diamond
Prices start from $3,856 AUDSave up to $5,146 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
$3,856 AUD