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Marquise|Natural|GIA

1.01ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6555744285

Certificate GIA 6555744285

Diamond specifications and retailer prices

From $3,643 NZD
As of November 4, 2026
Save $4,904 NZD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,430 NZD at NZ Jewellers · As of October 3, 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 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 6555744285. Listed at 20 retailers as of November 1, 2026, with a 135% 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

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555744285
Dimensions9.30 × 5.16 × 3.50 mm
L/W Ratio1.80
Girdle conditionFaceted
Top View
9.30 mm5.16 mm1.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555744285
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.8%

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 4
Current: $4,794 NZD|Low: $3,597 NZD|High: $8,670 NZD|Avg: $4,936 NZD|-2.6%
Retailer 1
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
November 3, 2026
Retailer 17$3,643 NZD
Retailer 8$3,834 NZD
Retailer 13$3,969 NZD
Retailer 3$4,116 NZD
Retailer 10$4,154 NZD
Retailer 7$4,239 NZD
Retailer 15$4,380 NZD
Retailer 6$4,421 NZD
Retailer 2$4,527 NZD
Retailer 16$4,554 NZD
Retailer 14$4,714 NZD
Retailer 1$4,794 NZD
Retailer 11$5,022 NZD
Retailer 12$5,906 NZD
Retailer 5$6,050 NZD
Retailer 18$6,902 NZD
Retailer 9$7,272 NZD
Retailer 4$8,548 NZD

17 data points across 18 retailers

20 retailers$3,643 NZD to $8,548 NZD

A
Cheapest Retailer
-
$3,643 NZD
A
Retailer 2
-
$3,834 NZD
View
A
Retailer 3
-
$3,969 NZD
View
A
Retailer 4
-
$4,116 NZD
View
Final sale: no returns
A
Retailer 5
-
$4,154 NZD
View
A
Retailer 6
-
$4,239 NZD
View
A
Retailer 7
-
$4,380 NZD
View
A
Retailer 8
-
$4,421 NZD
View
A
Retailer 9
-
$4,527 NZD
View
A
Retailer 10
-
$4,554 NZD
View
B+
Retailer 11
-
$4,714 NZD
View
B+
Retailer 12
-
$4,794 NZD
View
B+
Retailer 13
-
$5,022 NZD
View
Retailer 14
-
$5,609 NZD
View
Price last confirmed 32 days ago
B+
Retailer 15
-
$5,906 NZD
View
B+
Retailer 16
-
$6,050 NZD
View
B+
Retailer 17
-
$6,902 NZD
View
B
Retailer 18
-
$7,272 NZD
View
B
Retailer 19
-
$8,548 NZD
View
Most Expensive
NZ Jewellers
49fa4e6b-c3f4-4b37-b7b7-17e09dac839d · Oct 3
$10,430 NZD
$5,863 USD
View
Price last confirmed 33 days ago
19 more retailers have this diamond
Prices start from $3,643 NZDSave up to $4,904 NZD

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
1.01ct Marquise
$3,643 NZD