Marquise|Natural|GIA

3.00ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 5556836918

Certificate GIA 5556836918

Diamond specifications and retailer prices

From $35,545 USD
As of November 4, 2026
Save $19,036 USD (35%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $54,581 USD at Diamonds Direct · As of November 6, 2026
View at Diamonds Direct

About this 3ct natural marquise diamond

This 3ct natural marquise sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556836918. Listed at 9 retailers as of November 4, 2026, with prices from $35,545 to $54,581, a $19,036 spread on the same certified stone. Diamonds Direct lists it at $54,581. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.68°
Pavilion angle38.12°
OriginNatural
Grading LabGIA
CertificateGIA 5556836918
Dimensions14.34 × 7.57 × 4.64 mm
L/W Ratio1.89
Culet sizeNone
Top View
14.34 mm7.57 mm3.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556836918
Side View
Table 58.0%Crown 38.68°Girdle: MED-THKPavilion 38.12°Culet: NoneDepth 61.3%

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: $54,581 USD|Low: $35,531 USD|High: $57,988 USD|Avg: $43,264 USD|-5.9%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$35,531 USD
Retailer 6$35,545 USD
Retailer 3$37,301 USD
Retailer 7$39,303 USD
Retailer 8$40,516 USD
Retailer 2$45,341 USD
Retailer 5$45,552 USD
Retailer 4$45,762 USD
Diamonds Direct$54,581 USD

22 data points across 9 retailers

9 retailers$35,545 USD to $54,581 USD

B+
Cheapest Retailer
-
$35,545 USD
B+
Retailer 2
-
$37,301 USD
View
B+
Retailer 3
-
$39,303 USD
View
B+
Retailer 4
-
$40,516 USD
View
B
Retailer 5
-
$45,341 USD
View
B
Retailer 6
-
$45,552 USD
View
B
Retailer 7
-
$45,762 USD
View
B
Retailer 8
-
$50,242 USD
View
Most Expensive
B
Diamonds Direct
1055310 · Nov 6
$54,581 USD
View
8 more retailers have this diamond
Prices start from $35,545 USDSave up to $19,036 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+
3.00ct Marquise
$35,545 USD