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Marquise|Natural|GIA

1.02ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2547491460

Certificate GIA 2547491460

Diamond specifications and retailer prices

From $4,389 AUD
As of November 3, 2026
Save $3,170 AUD (42%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,112 AUD at NZ Jewellers · As of September 29, 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 G 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 2547491460. Listed at 9 retailers as of November 2, 2026, with a 72% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.86°
Pavilion angle40.88°
OriginNatural
Grading LabGIA
CertificateGIA 2547491460
Dimensions9.50 × 5.18 × 3.41 mm
L/W Ratio1.83
Girdle conditionExtremely Thick
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
9.50 mm5.18 mm1.02 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547491460
Side View
Table 61.0%Crown 39.86°GirdlePavilion 40.88°CuletDepth 65.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $4,409 AUD|Low: $4,389 AUD|High: $8,003 AUD|Avg: $5,507 AUD|-4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3$4,389 AUD
Retailer 1$4,409 AUD
Retailer 5$4,409 AUD
Retailer 4$4,992 AUD
Retailer 6$5,523 AUD
Retailer 7$6,194 AUD
Retailer 2$7,559 AUD

35 data points across 7 retailers

9 retailers$4,389 AUD to $7,559 AUD

A
Cheapest Retailer
-
$4,389 AUD
A
Retailer 2
-
$4,409 AUD
View
Retailer 3
-
$4,657 AUD
View
Price last confirmed 39 days ago
Retailer 4
-
$4,657 AUD
View
Price last confirmed 27 days ago
Retailer 5
-
$4,836 AUD
View
Price last confirmed 34 days ago
Retailer 6
-
$4,992 AUD
View
Price last confirmed 31 days ago
B
Retailer 7
-
$7,559 AUD
View
Retailer 8
-
$8,112 AUD
View
Price last confirmed 37 days ago
Most Expensive
NZ Jewellers
60ec021c-fc19-403e-9e2c-9fa6e619431d · Sep 29
$8,112 AUD
$5,665 USD
View
Price last confirmed 35 days ago
8 more retailers have this diamond
Prices start from $4,389 AUDSave up to $3,170 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
$4,389 AUD