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Marquise|Natural|GIA

1.00ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 1563236191

Certificate GIA 1563236191

Diamond specifications and retailer prices

From $2,955 NZD
As of November 6, 2026
Save $5,029 NZD (63%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,984 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1563236191. Listed at 13 retailers as of November 5, 2026, with prices from $2,955 to $7,984, a $5,029 spread on the same certified stone. NZ Jewellers lists it at $7,984. 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

1.00
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1563236191
Dimensions10.03 × 5.28 × 3.32 mm
L/W Ratio1.90
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle, Indented Natural
Top View
10.03 mm5.28 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1563236191
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.8%

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 6
Current: $7,984 NZD|Low: $2,931 NZD|High: $8,352 NZD|Avg: $4,361 NZD|-4.4%
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
November 6, 2026
Retailer 8$2,955 NZD
Retailer 2$2,962 NZD
Retailer 12$3,482 NZD
Retailer 4$3,525 NZD
Retailer 6$3,754 NZD
Retailer 11$3,819 NZD
Retailer 5$3,853 NZD
Retailer 10$3,996 NZD
Retailer 3$4,106 NZD
Retailer 13$4,167 NZD
Retailer 9$4,407 NZD
Retailer 7$6,673 NZD
NZ Jewellers$7,984 NZD

29 data points across 13 retailers

13 retailers$2,955 NZD to $7,984 NZD

A
Cheapest Retailer
-
$2,955 NZD
A
Retailer 2
-
$2,962 NZD
View
Retailer 3
-
$3,482 NZD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
$3,525 NZD
View
Final sale: no returns
A
Retailer 5
-
$3,754 NZD
View
A
Retailer 6
-
$3,819 NZD
View
A
Retailer 7
-
$3,853 NZD
View
A
Retailer 8
-
$3,996 NZD
View
Retailer 9
-
$4,106 NZD
View
Price last confirmed 11 days ago
A
Retailer 10
-
$4,167 NZD
View
A
Retailer 11
-
$4,407 NZD
View
B
Retailer 12
-
$6,673 NZD
View
Most Expensive
B
NZ Jewellers
62d3d143-62ec-48a2-b605-e415e9463bd0 · Nov 5
$7,984 NZD
$4,426 USD
View
12 more retailers have this diamond
Prices start from $2,955 NZDSave up to $5,029 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
1.00ct Marquise
$2,955 NZD