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Marquise|Natural|IGI

1.21ct D I1 Marquise Natural Diamond

VG • D/I1 • IGI 720513112

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 720513112

Diamond specifications and retailer prices

From £837 GBP
₹106,987 INR
As of November 2, 2026
Save £1,894 GBP (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,731 GBP at NZ Jewellers · As of October 30, 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 D colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 720513112. Listed at 11 retailers as of October 30, 2026, with prices from £837 to £2,731, a £1,894 spread on the same certified stone. NZ Jewellers lists it at £2,731. 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
D
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle37.8°
OriginNatural
Grading LabIGI
CertificateIGI 720513112
Dimensions10.29 × 5.50 × 3.50 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Top View
10.29 mm5.50 mm1.21 ctD / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI 720513112
Side View
Table 58.0%Crown 42.9°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 63.6%

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 2
Current: £2,731 GBP|Low: £796 GBP|High: £2,783 GBP|Avg: £1,263 GBP|-1.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2£837 GBP
Retailer 7£946 GBP
Retailer 6£951 GBP
Retailer 11£1,034 GBP
Retailer 5£1,058 GBP
Retailer 3£1,119 GBP
Retailer 10£1,119 GBP
Retailer 8£1,171 GBP
Retailer 9£1,292 GBP
Retailer 4£1,529 GBP
NZ Jewellers£2,731 GBP

43 data points across 11 retailers

11 retailers£837 GBP to £2,731 GBP

A
Cheapest Retailer
-
£837 GBP
₹106,987 INR
A
Retailer 2
-
£946 GBP
$1,270 USD
View
A
Retailer 3
-
£951 GBP
$1,277 USD
View
B+
Retailer 4
-
£1,034 GBP
$1,387 USD
View
Final sale: no returns
A
Retailer 5
-
£1,058 GBP
$1,420 USD
View
B+
Retailer 6
-
£1,119 GBP
$1,502 USD
View
Retailer 7
-
£1,119 GBP
$1,502 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£1,171 GBP
$1,572 USD
View
B+
Retailer 9
-
£1,292 GBP
$1,734 USD
View
A
Retailer 10
-
£1,529 GBP
€1,954 EUR
View
Most Expensive
B
NZ Jewellers
c3bb4f4f-3c18-49d6-b4c4-7c9794a025a7 · Oct 30
£2,731 GBP
$3,665 USD
View
10 more retailers have this diamond
Prices start from £837 GBPSave up to £1,894 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
£837 GBP