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Marquise|Natural|IGI

1.00ct K SI2 Marquise Natural Diamond

VG • K/SI2 • IGI 778617524

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 778617524

Diamond specifications and retailer prices

From $1,578 NZD
As of November 6, 2026
Save $3,599 NZD (70%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,177 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 778617524. Listed at 13 retailers as of November 5, 2026, with prices from $1,578 to $5,177, a $3,599 spread on the same certified stone. NZ Jewellers lists it at $5,177. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle38°
OriginNatural
Grading LabIGI
CertificateIGI 778617524
Dimensions10.13 × 5.34 × 3.21 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Top View
10.13 mm5.34 mm1.00 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 778617524
Side View
Table 58.0%Crown 34.1°Girdle: MED-THKPavilion 38°Culet: NoneDepth 60.1%

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 6
Current: $1,578 NZD|Low: $1,578 NZD|High: $3,935 NZD|Avg: $2,398 NZD|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 1$1,578 NZD
Retailer 9$2,033 NZD
Retailer 11$2,122 NZD
Retailer 8$2,204 NZD
Retailer 2$2,208 NZD
Retailer 12$2,295 NZD
Retailer 10$2,332 NZD
Retailer 3$2,361 NZD
Retailer 7$2,402 NZD
Retailer 4$2,450 NZD
Retailer 5$2,738 NZD
Retailer 6$3,876 NZD

46 data points across 12 retailers

13 retailers$1,578 NZD to $5,177 NZD

A
Cheapest Retailer
-
$1,578 NZD
B+
Retailer 2
-
$2,033 NZD
View
Retailer 3
-
$2,122 NZD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$2,122 NZD
View
B+
Retailer 5
-
$2,204 NZD
View
B+
Retailer 6
-
$2,208 NZD
View
B+
Retailer 7
-
$2,332 NZD
View
B+
Retailer 8
-
$2,361 NZD
View
B+
Retailer 9
-
$2,402 NZD
View
B+
Retailer 10
-
$2,450 NZD
View
B+
Retailer 11
-
$2,738 NZD
View
B+
Retailer 12
-
$3,876 NZD
View
Most Expensive
B
NZ Jewellers
bfb7851c-c2b8-445b-a8fc-a74bbb8d6760 · Nov 5
$5,177 NZD
$2,910 USD
View
12 more retailers have this diamond
Prices start from $1,578 NZDSave up to $3,599 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
$1,578 NZD