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Marquise|Natural|GIA

1.36ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 2235793227

Certificate GIA 2235793227

Diamond specifications and retailer prices

From $3,405 USD
As of November 1, 2026
Save $794 USD (19%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,199 USD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.36ct natural marquise diamond

This 1.36ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2235793227. Listed at 2 retailers as of November 1, 2026, with prices from $3,405 to $4,199, a $794 spread on the same certified stone. Blue Nile lists it at $4,199. 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

1.36
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2235793227
Dimensions10.59 × 5.85 × 3.69 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizeVery Small
Key to symbols
Feather, Crystal, Pinpoint, Natural, Extra Facet
Top View
10.59 mm5.85 mm1.36 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 2235793227
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: Very SmallDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $4,199 USD|Low: $3,405 USD|High: $4,549 USD|Avg: $4,047 USD
Blue Nile
Retailer 2
Retailer 3
October 18, 2026
Retailer 2$3,405 USD
Blue Nile$4,199 USD
Retailer 3$4,248 USD

4 data points across 3 retailers

2 retailers$3,405 USD to $4,199 USD

A
Cheapest Retailer
-
$3,405 USD
Most Expensive
B
Blue Nile
29233597 · Nov 5
$4,199 USD
View
1 more retailer has this diamond
Prices start from $3,405 USDSave up to $794 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.

A
1.36ct Marquise
$3,405 USD