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Marquise|Natural|GIA

1.01ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 6445683166

Certificate GIA 6445683166

Diamond specifications and retailer prices

From $3,457 AUD
As of November 1, 2026
Save $4,091 AUD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,548 AUD at NZ Jewellers · As of November 5, 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 6445683166. Listed at 16 retailers as of November 1, 2026, with prices from $3,457 to $7,548, a $4,091 spread on the same certified stone. NZ Jewellers lists it at $7,548. 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
FluorescenceFaint
Crown angle37.48°
Pavilion angle39.68°
OriginNatural
Grading LabGIA
CertificateGIA 6445683166
Dimensions11.02 × 5.14 × 3.04 mm
L/W Ratio2.14
Top View
11.02 mm5.14 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6445683166
Side View
Table 64.0%Crown 37.48°Girdle: ThickPavilion 39.68°Culet: NoneDepth 59.2%

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 1
Current: $7,548 AUD|Low: $3,457 AUD|High: $7,597 AUD|Avg: $4,851 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 12$3,457 AUD
Retailer 5$3,516 AUD
Retailer 3$3,528 AUD
Retailer 4$3,687 AUD
Retailer 14$3,857 AUD
Retailer 13$3,926 AUD
Retailer 7$4,067 AUD
Retailer 11$4,076 AUD
Retailer 6$4,260 AUD
Retailer 15$4,528 AUD
Retailer 8$4,587 AUD
Retailer 2$4,743 AUD
Retailer 9$5,288 AUD
Retailer 10$7,225 AUD
NZ Jewellers$7,548 AUD

45 data points across 15 retailers

16 retailers$3,457 AUD to $7,548 AUD

B+
Cheapest Retailer
-
$3,457 AUD
B+
Retailer 2
-
$3,516 AUD
View
B+
Retailer 3
-
$3,528 AUD
View
B+
Retailer 4
-
$3,687 AUD
View
B
Retailer 5
-
$3,857 AUD
View
B
Retailer 6
-
$3,926 AUD
View
Retailer 7
-
$4,067 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$4,076 AUD
View
B
Retailer 9
-
$4,260 AUD
View
B
Retailer 10
-
$4,528 AUD
View
B
Retailer 11
-
$4,587 AUD
View
B
Retailer 12
-
$4,743 AUD
View
Retailer 13
-
$5,210 AUD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$5,288 AUD
View
B
Retailer 15
-
$7,225 AUD
View
Most Expensive
B
NZ Jewellers
5d46a64b-87e1-496b-825a-f5fa6d94c580 · Nov 5
$7,548 AUD
$5,284 USD
View
15 more retailers have this diamond
Prices start from $3,457 AUDSave up to $4,091 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
$3,457 AUD