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Marquise|Natural|GIA

1.02ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6551717883

Certificate GIA 6551717883

Diamond specifications and retailer prices

From $3,838 AUD
As of November 6, 2026
Save $3,992 AUD (51%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,830 AUD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551717883. Listed at 17 retailers as of November 5, 2026, with prices from $3,838 to $7,830, a $3,992 spread on the same certified stone. NZ Jewellers lists it at $7,830. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551717883
Dimensions10.03 × 5.23 × 3.40 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
10.03 mm5.23 mm1.02 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551717883
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.1%

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 6
Current: $7,830 AUD|Low: $3,802 AUD|High: $7,830 AUD|Avg: $4,936 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
November 6, 2026
Retailer 15$3,838 AUD
Retailer 12$4,026 AUD
Retailer 7$4,112 AUD
Retailer 10$4,112 AUD
Retailer 11$4,148 AUD
Retailer 2$4,359 AUD
Retailer 13$4,373 AUD
Retailer 4$4,494 AUD
Retailer 5$4,494 AUD
Retailer 8$4,644 AUD
Retailer 3$4,667 AUD
Retailer 14$4,800 AUD
Retailer 6$5,186 AUD
Retailer 9$7,494 AUD
NZ Jewellers$7,830 AUD

44 data points across 15 retailers

17 retailers$3,838 AUD to $7,830 AUD

A
Cheapest Retailer
-
$3,838 AUD
B+
Retailer 2
-
$4,026 AUD
View
B+
Retailer 3
-
$4,112 AUD
View
Retailer 4
-
$4,112 AUD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
$4,148 AUD
View
Final sale: no returns
B+
Retailer 6
-
$4,359 AUD
View
B+
Retailer 7
-
$4,373 AUD
View
B+
Retailer 8
-
$4,494 AUD
View
Retailer 9
-
$4,494 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$4,644 AUD
View
B+
Retailer 11
-
$4,667 AUD
View
B+
Retailer 12
-
$4,701 AUD
View
Retailer 13
-
$4,800 AUD
View
Price last confirmed 31 days ago
B
Retailer 14
-
$5,049 AUD
View
B+
Retailer 15
-
$5,186 AUD
View
B
Retailer 16
-
$7,494 AUD
View
Most Expensive
B
NZ Jewellers
b1497215-f6c5-4702-b222-76d3b901a1cd · Nov 5
$7,830 AUD
$5,380 USD
View
16 more retailers have this diamond
Prices start from $3,838 AUDSave up to $3,992 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
$3,838 AUD