Marquise|Natural|GIA

3.09ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 5231858344

Certificate GIA 5231858344

Diamond specifications and retailer prices

From $56,285 USD
As of November 1, 2026
Save $14,555 USD (21%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $70,840 USD at Jared · As of November 2, 2026
View at Jared

About this 3.09ct natural marquise diamond

This 3.09ct natural marquise sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231858344. Listed at 5 retailers as of November 1, 2026, with prices from $56,285 to $70,840, a $14,555 spread on the same certified stone. Jared lists it at $70,840. 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

3.09
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5231858344
Dimensions14.33 × 7.68 × 4.47 mm
L/W Ratio1.87
Culet sizeMedium
Top View
14.33 mm7.68 mm3.09 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 5231858344
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: MediumDepth 58.2%

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 1
Current: $70,840 USD|Low: $56,285 USD|High: $76,359 USD|Avg: $67,406 USD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 22, 2026
Retailer 3$56,285 USD
Retailer 4$65,202 USD
Retailer 2$65,983 USD
Retailer 6$68,550 USD
Retailer 7$68,550 USD
Jared$70,840 USD
Retailer 5$76,359 USD

14 data points across 7 retailers

5 retailers$56,285 USD to $70,840 USD

B+
Cheapest Retailer
-
$56,285 USD
B
Retailer 2
-
$65,983 USD
View
B
Retailer 3
-
$68,550 USD
View
B
Retailer 4
-
$68,550 USD
View
Most Expensive
B
Jared
158702318 · Nov 2
$70,840 USD
View
4 more retailers have this diamond
Prices start from $56,285 USDSave up to $14,555 USD

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+
3.09ct Marquise
$56,285 USD