Marquise|Natural|GIA

1.01ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 1567186401

Certificate GIA 1567186401

Diamond specifications and retailer prices

From $4,574 NZD
As of November 4, 2026
Save $4,129 NZD (47%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,702 NZD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1567186401. Listed at 14 retailers as of November 4, 2026, with prices from $4,574 to $8,702, a $4,129 spread on the same certified stone. Helzberg Diamonds lists it at $8,702. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.84°
Pavilion angle39.7°
OriginNatural
Grading LabGIA
CertificateGIA 1567186401
Dimensions9.95 × 5.19 × 3.34 mm
L/W Ratio1.92
Culet sizeNone
Top View
9.95 mm5.19 mm1.01 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1567186401
Side View
Table 57.0%Crown 39.84°Girdle: MED-THKPavilion 39.7°Culet: NoneDepth 64.4%

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: $8,702 NZD|Low: $4,574 NZD|High: $9,040 NZD|Avg: $5,995 NZD|-3.7%
Helzberg Diamonds
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
November 6, 2026
Retailer 11$4,574 NZD
Retailer 4$4,709 NZD
Retailer 9$4,782 NZD
Retailer 6$5,077 NZD
Retailer 5$5,159 NZD
Retailer 8$5,312 NZD
Retailer 3$5,509 NZD
Retailer 13$5,904 NZD
Retailer 10$5,942 NZD
Retailer 14$6,079 NZD
Retailer 7$6,082 NZD
Retailer 2$6,347 NZD
Retailer 12$8,226 NZD
Helzberg Diamonds$8,702 NZD

28 data points across 14 retailers

14 retailers$4,574 NZD to $8,702 NZD

A
Cheapest Retailer
-
$4,574 NZD
A
Retailer 2
-
$4,709 NZD
View
A
Retailer 3
-
$4,782 NZD
View
A
Retailer 4
-
$5,077 NZD
View
A
Retailer 5
-
$5,159 NZD
View
A
Retailer 6
-
$5,312 NZD
View
A
Retailer 7
-
$5,509 NZD
View
A
Retailer 8
-
$5,904 NZD
View
A
Retailer 9
-
$5,942 NZD
View
A
Retailer 10
-
$6,079 NZD
View
A
Retailer 11
-
$6,082 NZD
View
B+
Retailer 12
-
$6,347 NZD
View
B+
Retailer 13
-
$8,226 NZD
View
Most Expensive
B+
Helzberg Diamonds
XZRHLMNHOMKGH · Nov 6
$8,702 NZD
$4,892 USD
View
13 more retailers have this diamond
Prices start from $4,574 NZDSave up to $4,129 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
$4,574 NZD