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Marquise|Natural|IGI

1.23ct I VS2 Marquise Natural Diamond

VG • I/VS2 • IGI 768617907

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 768617907

Diamond specifications and retailer prices

From £2,437 GBP
As of November 6, 2026
Save £2,345 GBP (49%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,782 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.23ct natural marquise diamond

This 1.23ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 768617907. Listed at 10 retailers as of November 5, 2026, with prices from £2,437 to £4,782, a £2,345 spread on the same certified stone. NZ Jewellers lists it at £4,782. 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

1.23
Carat
I
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 768617907
Dimensions10.75 × 5.68 × 3.49 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Top View
10.75 mm5.68 mm1.23 ctI / VS2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 768617907
Side View
Table 66.0%Crown 37.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.4%

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: £4,782 GBP|Low: £2,437 GBP|High: £4,782 GBP|Avg: £3,129 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 11£2,437 GBP
Retailer 6£2,634 GBP
Retailer 2£2,660 GBP
Retailer 12£2,745 GBP
Retailer 5£2,764 GBP
Retailer 7£2,851 GBP
Retailer 3£3,002 GBP
Retailer 13£3,063 GBP
Retailer 9£3,167 GBP
Retailer 8£3,209 GBP
Retailer 10£3,518 GBP
Retailer 4£3,567 GBP
NZ Jewellers£4,782 GBP

15 data points across 13 retailers

10 retailers£2,437 GBP to £4,782 GBP

A
Cheapest Retailer
-
£2,437 GBP
A
Retailer 2
-
£2,634 GBP
View
A
Retailer 3
-
£2,660 GBP
View
A
Retailer 4
-
£2,745 GBP
View
Retailer 5
-
£2,851 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£3,063 GBP
View
B+
Retailer 7
-
£3,167 GBP
View
Retailer 8
-
£3,209 GBP
View
Price last confirmed 9 days ago
Retailer 9
-
£3,518 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
5db0eb87-f76e-4f5d-b562-b4023a51b670 · Nov 5
£4,782 GBP
$6,401 USD
View
9 more retailers have this diamond
Prices start from £2,437 GBPSave up to £2,345 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
1.23ct Marquise
£2,437 GBP