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Princess|Natural|GIA

1.78ct L SI1 Princess Natural Diamond

EX • L/SI1 • GIA 6552256549

Certificate GIA 6552256549

Diamond specifications and retailer prices

From $3,300 AUD
As of November 4, 2026
Save $2,223 AUD (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,522 AUD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.78ct natural princess diamond

This 1.78ct natural princess sits in the one-and-a-half to two carat band, graded L 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 6552256549. Listed at 6 retailers as of November 4, 2026, with prices from $3,300 to $5,522, a $2,223 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,522. 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

1.78
Carat
L
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.08°
Pavilion angle37.91°
OriginNatural
Grading LabGIA
CertificateGIA 6552256549
Dimensions6.48 × 6.46 × 4.73 mm
L/W Ratio1.00
Top View
6.48 mm6.46 mm1.78 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552256549
Side View
Table 72.0%Crown 31.08°Girdle: ThickPavilion 37.91°Culet: NoneDepth 73.3%

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 4
Current: $3,526 AUD|Low: $2,380 AUD|High: $5,707 AUD|Avg: $3,998 AUD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 6, 2026
Retailer 7$2,380 AUD
Retailer 4$3,300 AUD
Retailer 1$3,526 AUD
Retailer 6$3,688 AUD
Retailer 2$4,078 AUD
Retailer 5$4,655 AUD
Retailer 3$4,668 AUD
Wholesale Diamonds Direct$5,522 AUD

40 data points across 8 retailers

6 retailers$3,300 AUD to $5,522 AUD

A
Cheapest Retailer
-
$3,300 AUD
A
Retailer 2
-
$3,526 AUD
View
A
Retailer 3
-
$3,688 AUD
View
B+
Retailer 4
-
$4,078 AUD
View
B+
Retailer 5
-
$4,668 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
600306309 · Nov 4
$5,522 AUD
$3,866 USD
View
5 more retailers have this diamond
Prices start from $3,300 AUDSave up to $2,223 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
1.78ct Princess
$3,300 AUD