Marquise|Natural|GIA

1.01ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 1558044960

Certificate GIA 1558044960

Diamond specifications and retailer prices

From $2,940 AUD
As of November 6, 2026
21 retailers carry this diamond
Most expensive: $6,282 AUD at NZ Jewellers · As of September 29, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558044960. Listed at 21 retailers as of November 6, 2026. 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

1.01
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558044960
Dimensions9.52 × 5.14 × 3.37 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
9.52 mm5.14 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558044960
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $6,197 AUD|Low: $2,217 AUD|High: $7,131 AUD|Avg: $3,290 AUD|-13.1%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 5$2,217 AUD
Retailer 17$2,403 AUD
Retailer 3$2,473 AUD
Retailer 15$2,479 AUD
Retailer 4$2,589 AUD
Retailer 8$2,636 AUD
Retailer 11$2,765 AUD
Retailer 9$2,823 AUD
Retailer 10$2,876 AUD
Retailer 13$2,908 AUD
Retailer 2$2,938 AUD
Retailer 6$2,991 AUD
Retailer 12$3,248 AUD
Retailer 18$3,707 AUD
Retailer 16$3,953 AUD
Retailer 7$4,443 AUD
Retailer 14$5,221 AUD
NZ Jewellers$6,197 AUD

23 data points across 18 retailers

21 retailers

Retailer 1
-
$2,217 AUD
Price last confirmed 7 days ago
Retailer 2
-
$2,381 AUD
View
Price last confirmed 14 days ago
Retailer 3
-
$2,403 AUD
View
Price last confirmed 15 days ago
Retailer 4
-
$2,473 AUD
View
Price last confirmed 8 days ago
Retailer 5
-
$2,589 AUD
View
Price last confirmed 9 days ago
Retailer 6
-
$2,636 AUD
View
Price last confirmed 8 days ago
Retailer 7
-
$2,765 AUD
View
Price last confirmed 8 days ago
Retailer 8
-
$2,823 AUD
View
Price last confirmed 9 days ago
Retailer 9
-
$2,876 AUD
View
Price last confirmed 9 days ago
Retailer 10
-
$2,908 AUD
View
Price last confirmed 8 days ago
Retailer 11
-
$2,938 AUD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$2,940 AUD
View
Retailer 13
-
$2,991 AUD
View
Price last confirmed 15 days ago
Retailer 14
-
$3,248 AUD
View
Price last confirmed 8 days ago
Retailer 15
-
$3,707 AUD
View
Price last confirmed 15 days ago
Retailer 16
-
$3,953 AUD
View
Price last confirmed 9 days ago
Retailer 17
-
$4,443 AUD
View
Price last confirmed 16 days ago
Retailer 18
-
$5,221 AUD
View
Price last confirmed 8 days ago
Retailer 19
-
$6,169 AUD
View
Price last confirmed 34 days ago
Retailer 20
-
$6,197 AUD
View
Price last confirmed 13 days ago
Most Expensive
NZ Jewellers
79a4d254-e2b8-42ea-af2a-64c905f47fae · Sep 29
$6,282 AUD
$4,316 USD
View
Price last confirmed 38 days ago
20 more retailers have this diamond
Prices start from $2,940 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+
1.01ct Marquise
$2,940 AUD