CaratHunter
Plans
Marquise|Natural|IGI

1.00ct K SI1 Marquise Natural Diamond

EX • K/SI1 • IGI 689598873

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 689598873

Diamond specifications and retailer prices

From $2,778 NZD
As of November 4, 2026
Save $4,531 NZD (62%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,309 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 689598873. Listed at 16 retailers as of November 4, 2026, with prices from $2,778 to $7,309, a $4,531 spread on the same certified stone. NZ Jewellers lists it at $7,309. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 689598873
Dimensions10.77 × 5.18 × 3.15 mm
L/W Ratio2.08
Girdle conditionFaceted
Top View
10.77 mm5.18 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 689598873
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.8%

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 4
Current: $7,309 NZD|Low: $2,778 NZD|High: $7,309 NZD|Avg: $3,593 NZD
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
Retailer 14
Retailer 15
Retailer 16
November 7, 2026
Retailer 6$2,778 NZD
Retailer 12$2,787 NZD
Retailer 9$2,906 NZD
Retailer 8$2,949 NZD
Retailer 5$2,996 NZD
Retailer 7$2,996 NZD
Retailer 2$3,130 NZD
Retailer 15$3,135 NZD
Retailer 16$3,135 NZD
Retailer 3$3,242 NZD
Retailer 10$3,381 NZD
Retailer 4$3,458 NZD
Retailer 11$3,657 NZD
Retailer 13$4,077 NZD
Retailer 14$5,249 NZD
NZ Jewellers$7,309 NZD

25 data points across 16 retailers

16 retailers$2,778 NZD to $7,309 NZD

A
Cheapest Retailer
-
$2,778 NZD
A
Retailer 2
-
$2,787 NZD
View
A
Retailer 3
-
$2,906 NZD
View
A
Retailer 4
-
$2,949 NZD
View
Retailer 5
-
$2,996 NZD
View
Price last confirmed 22 days ago
A
Retailer 6
-
$2,996 NZD
View
A
Retailer 7
-
$3,130 NZD
View
B+
Retailer 8
-
$3,135 NZD
View
B+
Retailer 9
-
$3,135 NZD
View
B+
Retailer 10
-
$3,242 NZD
View
B+
Retailer 11
-
$3,381 NZD
View
B+
Retailer 12
-
$3,458 NZD
View
B+
Retailer 13
-
$3,657 NZD
View
B+
Retailer 14
-
$4,077 NZD
View
B
Retailer 15
-
$5,249 NZD
View
Most Expensive
C
NZ Jewellers
ebedcac4-57b0-4921-9ad9-c20506f08906 · Nov 5
$7,309 NZD
$4,052 USD
View
15 more retailers have this diamond
Prices start from $2,778 NZDSave up to $4,531 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
$2,778 NZD