CaratHunter
Plans
Marquise|Natural|IGI

1.71ct D I1 Marquise Natural Diamond

VG • D/I1 • IGI 828640718

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 828640718

Diamond specifications and retailer prices

From £2,760 GBP
₹352,763 INR
As of November 2, 2026
Save £3,394 GBP (55%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £6,154 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.71ct natural marquise diamond

This 1.71ct natural marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 828640718. Listed at 9 retailers as of October 30, 2026, with prices from £2,760 to £6,154, a £3,394 spread on the same certified stone. NZ Jewellers lists it at £6,154. 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

1.71
Carat
D
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle39.5°
OriginNatural
Grading LabIGI
CertificateIGI 828640718
Dimensions11.47 × 6.05 × 3.99 mm
L/W Ratio1.90
Girdle conditionFaceted
Top View
11.47 mm6.05 mm1.71 ctD / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 828640718
Side View
Table 61.0%Crown 38.1°Girdle: THK-VTKPavilion 39.5°CuletDepth 66.0%

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: £6,154 GBP|Low: £2,755 GBP|High: £6,320 GBP|Avg: £3,857 GBP|-2.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2£2,760 GBP
Retailer 8£3,081 GBP
Retailer 6£3,506 GBP
Retailer 4£3,532 GBP
Retailer 5£3,532 GBP
Retailer 9£3,532 GBP
Retailer 3£3,996 GBP
Retailer 7£4,075 GBP
NZ Jewellers£6,154 GBP

42 data points across 9 retailers

9 retailers£2,760 GBP to £6,154 GBP

A
Cheapest Retailer
-
£2,760 GBP
₹352,763 INR
B+
Retailer 2
-
£3,081 GBP
$4,134 USD
View
B+
Retailer 3
-
£3,506 GBP
$4,705 USD
View
B+
Retailer 4
-
£3,532 GBP
$4,740 USD
View
B+
Retailer 5
-
£3,532 GBP
$4,740 USD
View
B+
Retailer 6
-
£3,532 GBP
$4,740 USD
View
B+
Retailer 7
-
£3,996 GBP
€5,107 EUR
View
B+
Retailer 8
-
£4,075 GBP
$5,469 USD
View
Most Expensive
B+
NZ Jewellers
d3b6e141-80e8-42fb-8b87-4bcb921cc839 · Oct 30
£6,154 GBP
$8,258 USD
View
8 more retailers have this diamond
Prices start from £2,760 GBPSave up to £3,394 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
1.71ct Marquise
£2,760 GBP