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Marquise|Natural|GIA

1.01ct I SI1 Marquise Natural Diamond

ID • I/SI1 • GIA 1559004511

Certificate GIA 1559004511

Diamond specifications and retailer prices

From $3,449 NZD
As of November 2, 2026
Save $5,178 NZD (60%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,628 NZD at NZ Jewellers · As of November 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 1559004511. Listed at 8 retailers as of November 2, 2026, with prices from $3,449 to $8,628, a $5,178 spread on the same certified stone. NZ Jewellers lists it at $8,628. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle42.17°
Pavilion angle40.84°
OriginNatural
Grading LabGIA
CertificateGIA 1559004511
Dimensions9.13 × 5.13 × 3.48 mm
L/W Ratio1.78
Girdle conditionVery Thick
Key to symbols
Crystal, Feather
Top View
9.13 mm5.13 mm1.01 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1559004511
Side View
Table 61.0%Crown 42.17°Girdle: Very ThickPavilion 40.84°Culet: 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 2
Current: $8,628 NZD|Low: $3,449 NZD|High: $8,717 NZD|Avg: $4,706 NZD|+9.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2$3,449 NZD
Retailer 7$3,536 NZD
Retailer 4$3,602 NZD
Retailer 5$3,700 NZD
Retailer 6$3,777 NZD
Retailer 9$3,825 NZD
Retailer 8$4,538 NZD
Retailer 3$6,196 NZD
NZ Jewellers$8,628 NZD

36 data points across 9 retailers

8 retailers$3,449 NZD to $8,628 NZD

A
Cheapest Retailer
-
$3,449 NZD
A
Retailer 2
-
$3,536 NZD
View
A
Retailer 3
-
$3,602 NZD
View
A
Retailer 4
-
$3,700 NZD
View
A
Retailer 5
-
$3,777 NZD
View
Retailer 6
-
$4,538 NZD
View
Price last confirmed 31 days ago
B+
Retailer 7
-
$6,196 NZD
View
Most Expensive
B
NZ Jewellers
52a5c3ca-3245-41f7-813a-018c244f3885 · Nov 3
$8,628 NZD
$4,850 USD
View
7 more retailers have this diamond
Prices start from $3,449 NZDSave up to $5,178 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
$3,449 NZD