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Princess|Natural|GIA

1.51ct K SI2 Princess Natural Diamond

EX • K/SI2 • GIA 6243097257

Certificate GIA 6243097257

Diamond specifications and retailer prices

From $3,527 AUD
As of November 5, 2026
Save $2,794 AUD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,321 AUD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6243097257. Listed at 12 retailers as of November 4, 2026, with prices from $3,527 to $6,321, a $2,794 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,321. 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

1.51
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle22.97°
Pavilion angle40.74°
OriginNatural
Grading LabGIA
CertificateGIA 6243097257
Dimensions6.39 × 6.28 × 4.57 mm
L/W Ratio1.02
Culet sizeNone
Top View
6.39 mm6.28 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6243097257
Side View
Table 74.0%Crown 22.97°Girdle: Slightly ThickPavilion 40.74°Culet: NDepth 72.7%

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 5
Current: $5,374 AUD|Low: $3,521 AUD|High: $6,321 AUD|Avg: $4,433 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$3,527 AUD
Retailer 10$3,744 AUD
Retailer 7$3,778 AUD
Retailer 11$3,810 AUD
Retailer 5$4,071 AUD
Retailer 8$4,071 AUD
Retailer 3$4,150 AUD
Retailer 9$4,460 AUD
Retailer 4$4,580 AUD
Retailer 2$4,615 AUD
Retailer 1$5,374 AUD
Wholesale Diamonds Direct$6,321 AUD

18 data points across 12 retailers

12 retailers$3,527 AUD to $6,321 AUD

A
Cheapest Retailer
-
$3,527 AUD
A
Retailer 2
-
$3,744 AUD
View
A
Retailer 3
-
$3,778 AUD
View
A
Retailer 4
-
$3,810 AUD
View
A
Retailer 5
-
$4,071 AUD
View
A
Retailer 6
-
$4,071 AUD
View
B+
Retailer 7
-
$4,150 AUD
View
B+
Retailer 8
-
$4,460 AUD
View
B+
Retailer 9
-
$4,580 AUD
View
B+
Retailer 10
-
$4,615 AUD
View
B+
Retailer 11
-
$5,374 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
578204078 · Nov 4
$6,321 AUD
$4,425 USD
View
11 more retailers have this diamond
Prices start from $3,527 AUDSave up to $2,794 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
1.51ct Princess
$3,527 AUD