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Marquise|Natural|IGI

1.30ct K SI1 Marquise Natural Diamond

VG • K/SI1 • IGI 770656687

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 770656687

Diamond specifications and retailer prices

From $2,159 USD
As of November 6, 2026
Save $2,494 USD (54%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,653 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural marquise diamond

This 1.3ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 770656687. Listed at 7 retailers as of November 5, 2026, with prices from $2,159 to $4,653, a $2,494 spread on the same certified stone. NZ Jewellers lists it at $4,653. 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

1.30
Carat
K
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 770656687
Dimensions10.38 × 5.49 × 3.70 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Top View
10.38 mm5.49 mm1.30 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 770656687
Side View
Table 56.0%Crown 38°Girdle: THK-VTKPavilion 40.4°Culet: NoneDepth 67.4%

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: $4,653 USD|Low: $1,674 USD|High: $4,934 USD|Avg: $2,643 USD|-5.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$1,866 USD
Retailer 2$2,159 USD
Retailer 11$2,192 USD
Retailer 5$2,226 USD
Retailer 9$2,314 USD
Retailer 8$2,325 USD
Retailer 6$2,328 USD
Retailer 3$2,490 USD
Retailer 4$2,723 USD
Retailer 7$3,898 USD
NZ Jewellers$4,653 USD

22 data points across 11 retailers

7 retailers$2,159 USD to $4,653 USD

A
Cheapest Retailer
-
$2,159 USD
A
Retailer 2
-
$2,226 USD
View
A
Retailer 3
-
$2,325 USD
View
A
Retailer 4
-
$2,328 USD
View
B+
Retailer 5
-
$2,723 USD
View
B+
Retailer 6
-
$3,898 USD
View
Most Expensive
B
NZ Jewellers
ff28b0e5-a110-42f8-bd35-2ec06f603bee · Nov 5
$4,653 USD
View
6 more retailers have this diamond
Prices start from $2,159 USDSave up to $2,494 USD

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
1.30ct Marquise
$2,159 USD