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Marquise|Natural|IGI

1.21ct K VS1 Marquise Natural Diamond

VG • K/VS1 • IGI 738528200

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 738528200

Diamond specifications and retailer prices

From £1,664 GBP
As of November 2, 2026
Save £1,978 GBP (54%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,642 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 738528200. Listed at 6 retailers as of November 2, 2026, with prices from £1,664 to £3,642, a £1,978 spread on the same certified stone. NZ Jewellers lists it at £3,642. 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

1.21
Carat
K
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 738528200
Dimensions10.67 × 5.50 × 3.56 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
Top View
10.67 mm5.50 mm1.21 ctK / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 738528200
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 64.7%

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 2
Current: £3,642 GBP|Low: £1,664 GBP|High: £3,691 GBP|Avg: £2,233 GBP|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2£1,664 GBP
Retailer 5£1,741 GBP
Retailer 6£1,742 GBP
Retailer 4£1,822 GBP
Retailer 8£1,914 GBP
Retailer 7£1,948 GBP
Retailer 3£3,052 GBP
NZ Jewellers£3,642 GBP

29 data points across 8 retailers

6 retailers£1,664 GBP to £3,642 GBP

A
Cheapest Retailer
-
£1,664 GBP
A
Retailer 2
-
£1,741 GBP
View
A
Retailer 3
-
£1,742 GBP
View
B+
Retailer 4
-
£1,822 GBP
View
B
Retailer 5
-
£3,052 GBP
View
Most Expensive
B
NZ Jewellers
a8a1dfb5-a63c-4deb-b372-6352073f1a52 · Nov 3
£3,642 GBP
$4,875 USD
View
5 more retailers have this diamond
Prices start from £1,664 GBPSave up to £1,978 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
1.21ct Marquise
£1,664 GBP