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Marquise|Natural|GIA

0.34ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 5151607919

Certificate GIA 5151607919

Diamond specifications and retailer prices

From $547 USD
As of October 30, 2026
Save $284 USD (34%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $831 USD at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

About this 0.34ct natural marquise diamond

This 0.34ct natural marquise sits in the sub-half-carat band, graded E 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 5151607919. Listed at 2 retailers as of October 30, 2026, with prices from $547 to $831, a $284 spread on the same certified stone. 77 Diamonds lists it at $831. 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

0.34
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5151607919
Dimensions6.61 × 3.64 × 2.31 mm
L/W Ratio1.82
Top View
6.61 mm3.64 mm0.34 ctE / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 5151607919
Side View
Table 61.0%CrownGirdlePavilionCuletDepth 63.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $831 USD|Low: $541 USD|High: $833 USD|Avg: $686 USD|+1.6%
77 Diamonds
Retailer 2
October 31, 2026
Retailer 2$547 USD
77 Diamonds$831 USD

35 data points across 2 retailers

2 retailers$547 USD to $831 USD

B
Cheapest Retailer
-
$547 USD
Most Expensive
C
77 Diamonds
MQZZ8XTCVYK · Oct 31
$831 USD
£654 GBP
View
1 more retailer has this diamond
Prices start from $547 USDSave up to $284 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
0.34ct Marquise
$547 USD