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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 £1,301 GBP
As of November 6, 2026
Save £851 GBP (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,152 GBP 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 £1,301 to £2,152, a £851 spread on the same certified stone. Wholesale Diamonds Direct lists it at £2,152. 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
Colour
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: £1,301 GBP|Low: £1,020 GBP|High: £2,406 GBP|Avg: £1,595 GBP|-10.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 6, 2026
Retailer 6£1,020 GBP
Retailer 1£1,301 GBP
Retailer 3£1,307 GBP
Retailer 5£1,349 GBP
Retailer 4£1,705 GBP
Retailer 2£1,842 GBP
Wholesale Diamonds Direct£2,152 GBP

33 data points across 7 retailers

6 retailers£1,301 GBP to £2,152 GBP

A
Cheapest Retailer
-
£1,301 GBP
A
Retailer 2
-
£1,307 GBP
View
A
Retailer 3
-
£1,349 GBP
View
B+
Retailer 4
-
£1,705 GBP
View
B+
Retailer 5
-
£1,842 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
271990113 · Nov 6
£2,152 GBP
$2,880 USD
View
5 more retailers have this diamond
Prices start from £1,301 GBPSave up to £851 GBP

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
£1,301 GBP