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Marquise|Natural|IGI

1.60ct G SI2 Marquise Natural Diamond

EX • G/SI2 • IGI 813642125

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 813642125

Diamond specifications and retailer prices

From £2,449 GBP
SGD 4,434 SGD
As of October 31, 2026
Save £2,015 GBP (45%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,464 GBP at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 1.6ct natural marquise diamond

This 1.6ct natural marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 813642125. Listed at 7 retailers as of October 27, 2026, with prices from £2,449 to £4,464, a £2,015 spread on the same certified stone. Wholesale Diamonds Direct lists it at £4,464. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.60
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.8°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 813642125
Dimensions11.44 × 6.17 × 3.85 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
11.44 mm6.17 mm1.60 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 813642125
Side View
Table 60.0%Crown 35.8°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 62.4%

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: Oct 31
Current: £3,211 GBP|Low: £2,181 GBP|High: £5,195 GBP|Avg: £3,332 GBP|-13.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
October 28, 2026
Retailer 6£2,181 GBP
Retailer 3£2,449 GBP
Retailer 2£2,569 GBP
Retailer 5£2,638 GBP
Retailer 4£3,109 GBP
Retailer 1£3,211 GBP
Retailer 8£3,457 GBP
Retailer 7£4,344 GBP
Wholesale Diamonds Direct£4,464 GBP

33 data points across 9 retailers

7 retailers£2,449 GBP to £4,464 GBP

A
Cheapest Retailer
-
£2,449 GBP
SGD 4,434 SGD
A
Retailer 2
-
£2,569 GBP
$3,442 USD
View
Retailer 3
-
£2,638 GBP
$3,535 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
£3,109 GBP
$4,166 USD
View
A
Retailer 5
-
£3,211 GBP
€4,098 EUR
View
A
Retailer 6
-
£3,457 GBP
$4,632 USD
View
Most Expensive
A
Wholesale Diamonds Direct
585209233 · Oct 27
£4,464 GBP
$5,981 USD
View
6 more retailers have this diamond
Prices start from £2,449 GBPSave up to £2,015 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
1.60ct Marquise
£2,449 GBP