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Marquise|Natural|GIA

1.01ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 1553986435

Certificate GIA 1553986435

Diamond specifications and retailer prices

From $4,436 NZD
As of November 5, 2026
Save $3,633 NZD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,069 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 D 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 1553986435. Listed at 11 retailers as of November 5, 2026, with prices from $4,436 to $8,069, a $3,633 spread on the same certified stone. Helzberg Diamonds lists it at $8,069. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.53°
Pavilion angle40.82°
OriginNatural
Grading LabGIA
CertificateGIA 1553986435
Dimensions9.99 × 5.27 × 3.33 mm
L/W Ratio1.90
Culet sizeNone
Top View
9.99 mm5.27 mm1.01 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553986435
Side View
Table 59.0%Crown 37.53°Girdle: STK-THKPavilion 40.82°Culet: NoneDepth 63.1%

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 5
Current: $8,069 NZD|Low: $4,411 NZD|High: $8,361 NZD|Avg: $5,642 NZD|-3.5%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6$4,436 NZD
Retailer 3$4,526 NZD
Retailer 2$4,616 NZD
Retailer 7$4,696 NZD
Retailer 5$4,990 NZD
Retailer 11$5,110 NZD
Retailer 9$5,504 NZD
Retailer 10$5,708 NZD
Retailer 4$6,023 NZD
Retailer 8$7,672 NZD
Helzberg Diamonds$8,069 NZD

44 data points across 11 retailers

11 retailers$4,436 NZD to $8,069 NZD

A
Cheapest Retailer
-
$4,436 NZD
A
Retailer 2
-
$4,526 NZD
View
A
Retailer 3
-
$4,616 NZD
View
A
Retailer 4
-
$4,696 NZD
View
A
Retailer 5
-
$4,990 NZD
View
A
Retailer 6
-
$5,110 NZD
View
A
Retailer 7
-
$5,504 NZD
View
A
Retailer 8
-
$5,708 NZD
View
A
Retailer 9
-
$6,023 NZD
View
B+
Retailer 10
-
$7,672 NZD
View
Most Expensive
B
Helzberg Diamonds
XZRHLLJPOMKJL · Nov 6
$8,069 NZD
$4,473 USD
View
10 more retailers have this diamond
Prices start from $4,436 NZDSave up to $3,633 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
$4,436 NZD