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Marquise|Natural|GIA

1.02ct E SI1 Marquise Natural Diamond

VG • E/SI1 • GIA 2547455631

Certificate GIA 2547455631

Diamond specifications and retailer prices

From $5,458 AUD
As of November 2, 2026
Save $3,900 AUD (42%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,204 AUD at NZ Jewellers · As of September 20, 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2547455631. Listed at 10 retailers as of November 2, 2026, with a 71% 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
E
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle38.03°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2547455631
Dimensions9.65 × 5.14 × 3.42 mm
L/W Ratio1.88
Girdle conditionVery Thick
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural
Top View
9.65 mm5.14 mm1.02 ctE / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2547455631
Side View
Table 59.0%Crown 38.03°GirdlePavilion 41.8°CuletDepth 66.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $5,600 AUD|Low: $5,385 AUD|High: $9,900 AUD|Avg: $6,702 AUD|-10.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 4, 2026
Retailer 3$5,458 AUD
Retailer 1$5,600 AUD
Retailer 5$6,153 AUD
Retailer 6$6,248 AUD
Retailer 2$6,308 AUD
Retailer 4$9,358 AUD

35 data points across 6 retailers

10 retailers$5,458 AUD to $9,358 AUD

B+
Cheapest Retailer
-
$5,458 AUD
B+
Retailer 2
-
$5,600 AUD
View
Retailer 3
-
$5,738 AUD
View
Price last confirmed 36 days ago
Retailer 4
-
$5,738 AUD
View
Price last confirmed 30 days ago
Retailer 5
-
$5,857 AUD
View
Price last confirmed 44 days ago
Retailer 6
-
$6,153 AUD
View
Price last confirmed 33 days ago
B
Retailer 7
-
$6,308 AUD
View
B
Retailer 8
-
$9,358 AUD
View
Retailer 9
-
$9,998 AUD
View
Price last confirmed 31 days ago
Most Expensive
NZ Jewellers
eb4e2d17-38fa-468e-bf97-783b6ea02775 · Sep 20
$10,204 AUD
$7,143 USD
View
Price last confirmed 46 days ago
9 more retailers have this diamond
Prices start from $5,458 AUDSave up to $3,900 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.

B+
1.02ct Marquise
$5,458 AUD