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Marquise|Natural|IGI

3.00ct G SI1 Marquise Natural Diamond

EX • G/SI1 • IGI 819642265

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 819642265

Diamond specifications and retailer prices

From £23,758 GBP
As of November 2, 2026
Save £5,614 GBP (19%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £29,373 GBP at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 3ct natural marquise diamond

This 3ct natural marquise sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 819642265. Listed at 7 retailers as of October 27, 2026, with prices from £23,758 to £29,373, a £5,614 spread on the same certified stone. Wholesale Diamonds Direct lists it at £29,373. 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

3.00
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 819642265
Dimensions13.91 × 7.54 × 4.82 mm
L/W Ratio1.84
Girdle conditionFaceted
Top View
13.91 mm7.54 mm3.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 819642265
Side View
Table 58.0%Crown 38.5°Girdle: THN-STKPavilion 40.9°Culet: NoneDepth 63.9%

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: £23,758 GBP|Low: £23,554 GBP|High: £31,458 GBP|Avg: £26,870 GBP|-12.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
November 2, 2026
Retailer 4£23,554 GBP
Retailer 1£23,758 GBP
Retailer 3£24,752 GBP
Retailer 5£28,287 GBP
Retailer 2£28,981 GBP
Wholesale Diamonds Direct£29,373 GBP

19 data points across 6 retailers

7 retailers£23,758 GBP to £29,373 GBP

Retailer 1
-
£23,554 GBP
$31,560 USD
Price last confirmed 12 days ago
A
Retailer 2
-
£23,758 GBP
View
A
Retailer 3
-
£24,752 GBP
$33,165 USD
View
A
Retailer 4
-
£24,874 GBP
SGD 45,039 SGD
View
A
Retailer 5
-
£28,287 GBP
$37,901 USD
View
Retailer 6
-
£28,981 GBP
€36,982 EUR
View
Price last confirmed 10 days ago
Most Expensive
B+
Wholesale Diamonds Direct
586833384 · Oct 27
£29,373 GBP
$39,356 USD
View
6 more retailers have this diamond
Prices start from £23,758 GBPSave up to £5,614 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
3.00ct Marquise
£23,758 GBP