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Marquise|Natural|GIA

0.61ct I SI1 Marquise Natural Diamond

ID • I/SI1 • GIA 2

Certificate GIA 2

Diamond specifications and retailer prices

From $836 USD
As of October 31, 2026
Save $190 USD (19%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,026 USD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 0.61ct natural marquise diamond

This 0.61ct natural marquise sits in the half to three-quarter carat band, graded I 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. Listed at 3 retailers as of October 31, 2026, with prices from $836 to $1,026, a $190 spread on the same certified stone. Blue Nile lists it at $1,026. 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

0.61
Carat
I
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2
Dimensions8.56 × 4.47 × 2.59 mm
L/W Ratio1.91
Top View
8.56 mm4.47 mm0.61 ctI / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2
Side View
Table 63.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 58.0%

Caratlytics Score

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

Last verified: Oct 31
Current: $1,026 USD|Low: $836 USD|High: $1,026 USD|Avg: $905 USD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 3$836 USD
Retailer 2$913 USD
Blue Nile$1,026 USD

2 data points across 3 retailers

3 retailers$836 USD to $1,026 USD

B+
Cheapest Retailer
-
$836 USD
B+
Retailer 2
-
$913 USD
View
Most Expensive
B
Blue Nile
29000588 · Oct 31
$1,026 USD
View
2 more retailers have this diamond
Prices start from $836 USDSave up to $190 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+
0.61ct Marquise
$836 USD