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Marquise|Natural|GIA

1.35ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 5563649525

Certificate GIA 5563649525

Diamond specifications and retailer prices

From $3,774 AUD
As of November 6, 2026
Save $2,451 AUD (39%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,224 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.35ct natural marquise diamond

This 1.35ct 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 5563649525. Listed at 5 retailers as of November 6, 2026, with prices from $3,774 to $6,224, a $2,451 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,224. 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

1.35
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.41°
Pavilion angle41.62°
OriginNatural
Grading LabGIA
CertificateGIA 5563649525
Dimensions10.96 × 5.79 × 3.69 mm
L/W Ratio1.89
Culet sizeNone
Top View
10.96 mm5.79 mm1.35 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5563649525
Side View
Table 61.0%Crown 39.41°Girdle: MED-THKPavilion 41.62°Culet: NDepth 63.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,852 AUD|Low: $3,774 AUD|High: $6,224 AUD|Avg: $4,907 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Wholesale Diamonds Direct
November 6, 2026
Retailer 2$3,774 AUD
Retailer 3$4,027 AUD
Retailer 4$4,659 AUD
Retailer 1$5,852 AUD
Wholesale Diamonds Direct$6,224 AUD

1 data point across 5 retailers

5 retailers$3,774 AUD to $6,224 AUD

A
Cheapest Retailer
-
$3,774 AUD
A
Retailer 2
-
$4,027 AUD
View
B+
Retailer 3
-
$4,659 AUD
View
B+
Retailer 4
-
$5,852 AUD
View
Most Expensive
B+
Wholesale Diamonds Direct
690582209 · Nov 6
$6,224 AUD
$4,277 USD
View
4 more retailers have this diamond
Prices start from $3,774 AUDSave up to $2,451 AUD

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
1.35ct Marquise
$3,774 AUD