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Marquise|Natural|IGI

3.00ct G SI1 Marquise Natural Diamond

VG • G/SI1

Diamond specifications and retailer prices

From £24,038 GBP
$32,257 USD
As of October 31, 2026
2 retailers carry this diamond
Most expensive: £35,502 GBP at Helzberg Diamonds · As of October 21, 2026
View at Helzberg Diamonds

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 very-good cut grade and certified by IGI. Listed at 2 retailers as of October 31, 2026. 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

3.00
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabIGI
Dimensions13.91 × 7.54 mm
L/W Ratio1.84
Top View
13.91 mm7.54 mm3.00 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 58.0%CrownGirdle: THN-STKPavilionCuletDepth 63.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £35,502 GBP|Low: £24,038 GBP|High: £37,342 GBP|Avg: £30,677 GBP|-4.9%
Helzberg Diamonds
Retailer 2
October 21, 2026
Retailer 2£24,038 GBP
Helzberg Diamonds£35,502 GBP

3 data points across 2 retailers

2 retailers

B+
Cheapest Retailer
-
£24,038 GBP
$32,257 USD
Most Expensive
Helzberg Diamonds
ZXZOHPMKIIML · Oct 21
£35,502 GBP
$47,641 USD
View
Price last confirmed 12 days ago
1 more retailer has this diamond
Prices start from £24,038 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.

B+
3.00ct Marquise
£24,038 GBP