Marquise|Natural|GIA

1.00ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6565660710

Certificate GIA 6565660710

Diamond specifications and retailer prices

From $4,394 NZD
As of November 4, 2026
Save $5,888 NZD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,282 NZD at NZ Jewellers · As of November 3, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565660710. Listed at 12 retailers as of November 3, 2026, with prices from $4,394 to $10,282, a $5,888 spread on the same certified stone. NZ Jewellers lists it at $10,282. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565660710
Dimensions10.11 × 5.14 × 3.25 mm
L/W Ratio1.97
Culet sizeNone
Key to symbols
Cloud, Crystal, Cavity, Feather, Needle
Top View
10.11 mm5.14 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565660710
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.3%

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: $10,282 NZD|Low: $4,371 NZD|High: $10,282 NZD|Avg: $6,221 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 8$4,394 NZD
Retailer 5$4,431 NZD
Retailer 3$4,684 NZD
Retailer 7$5,467 NZD
Retailer 4$5,744 NZD
Retailer 11$5,901 NZD
Retailer 10$6,128 NZD
Retailer 9$6,810 NZD
Retailer 6$6,813 NZD
Retailer 2$9,843 NZD
NZ Jewellers$10,282 NZD

8 data points across 11 retailers

12 retailers$4,394 NZD to $10,282 NZD

A
Cheapest Retailer
-
$4,394 NZD
A
Retailer 2
-
$4,431 NZD
View
B+
Retailer 3
-
$4,684 NZD
View
Final sale: no returns
B+
Retailer 4
-
$4,936 NZD
View
B+
Retailer 5
-
$5,467 NZD
View
B+
Retailer 6
-
$5,744 NZD
View
B+
Retailer 7
-
$5,901 NZD
View
B
Retailer 8
-
$6,128 NZD
View
B
Retailer 9
-
$6,810 NZD
View
B
Retailer 10
-
$6,813 NZD
View
B
Retailer 11
-
$9,843 NZD
View
Most Expensive
B
NZ Jewellers
1c69537c-7e7d-4c62-b597-c9dff015eeb5 · Nov 3
$10,282 NZD
$5,780 USD
View
11 more retailers have this diamond
Prices start from $4,394 NZDSave up to $5,888 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
$4,394 NZD