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Marquise|Natural|IGI

1.30ct K SI2 Marquise Natural Diamond

VG • K/SI2 • IGI 819642026

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 819642026

Diamond specifications and retailer prices

From $1,742 USD
As of November 6, 2026
Save $1,138 USD (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,880 USD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 819642026. Listed at 6 retailers as of November 6, 2026, with prices from $1,742 to $2,880, a $1,138 spread on the same certified stone. Wholesale Diamonds Direct lists it at $2,880. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 819642026
Dimensions10.42 × 5.63 × 3.69 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
10.42 mm5.63 mm1.30 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 819642026
Side View
Table 61.0%Crown 41°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,742 USD|Low: $1,365 USD|High: $3,221 USD|Avg: $2,136 USD|-10.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$1,365 USD
Retailer 1$1,742 USD
Retailer 3$1,749 USD
Retailer 5$1,805 USD
Retailer 4$2,282 USD
Retailer 2$2,465 USD
Wholesale Diamonds Direct$2,880 USD

34 data points across 7 retailers

6 retailers$1,742 USD to $2,880 USD

A
Cheapest Retailer
-
$1,742 USD
A
Retailer 2
-
$1,749 USD
View
A
Retailer 3
-
$1,805 USD
View
B+
Retailer 4
-
$2,282 USD
View
B+
Retailer 5
-
$2,465 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
271990113 · Nov 6
$2,880 USD
View
5 more retailers have this diamond
Prices start from $1,742 USDSave up to $1,138 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
$1,742 USD