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Marquise|Natural|IGI

3.00ct G SI1 Marquise Natural Diamond

VG • G/SI1

Diamond specifications and retailer prices

From $40,522 SGD
As of November 4, 2026
Save $19,297 SGD (32%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $59,819 SGD at Helzberg Diamonds · As of November 6, 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 November 4, 2026, with prices from $40,522 to $59,819, a $19,297 spread on the same certified stone. Helzberg Diamonds lists it at $59,819. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $59,819 SGD|Low: $40,522 SGD|High: $64,222 SGD|Avg: $52,112 SGD|-6.9%
Helzberg Diamonds
Retailer 2
November 4, 2026
Retailer 2$40,522 SGD
Helzberg Diamonds$59,819 SGD

4 data points across 2 retailers

2 retailers$40,522 SGD to $59,819 SGD

B+
Cheapest Retailer
-
$40,522 SGD
Most Expensive
B
Helzberg Diamonds
ZXZOHPMKIIML · Nov 6
$59,819 SGD
$46,675 USD
View
1 more retailer has this diamond
Prices start from $40,522 SGDSave up to $19,297 SGD

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
$40,522 SGD