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Princess|Natural|GIA

1.51ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 1568481656

Certificate GIA 1568481656

Diamond specifications and retailer prices

From $5,086 AUD
$3,564 USD
As of October 31, 2026
Save $4,319 AUD (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,404 AUD at Wholesale Diamonds Direct · As of October 27, 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 H 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 1568481656. Listed at 15 retailers as of October 27, 2026, with prices from $5,086 to $9,404, a $4,319 spread on the same certified stone. Wholesale Diamonds Direct lists it at $9,404. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle22.8°
Pavilion angle39.74°
OriginNatural
Grading LabGIA
CertificateGIA 1568481656
Dimensions6.41 × 6.30 × 4.53 mm
L/W Ratio1.02
Culet sizeNone
Top View
6.41 mm6.30 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1568481656
Side View
Table 72.0%Crown 22.8°Girdle: MED-STKPavilion 39.74°Culet: NDepth 71.8%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $6,547 AUD|Low: $5,086 AUD|High: $9,404 AUD|Avg: $6,593 AUD|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
November 2, 2026
Retailer 4$5,086 AUD
Retailer 13$5,165 AUD
Retailer 3$5,434 AUD
Retailer 9$5,494 AUD
Retailer 8$5,514 AUD
Retailer 2$5,552 AUD
Retailer 6$5,927 AUD
Retailer 11$6,451 AUD
Retailer 5$6,509 AUD
Retailer 1$6,547 AUD
Retailer 7$7,936 AUD
Retailer 12$8,576 AUD
Retailer 10$9,114 AUD
Wholesale Diamonds Direct$9,404 AUD

26 data points across 14 retailers

15 retailers$5,086 AUD to $9,404 AUD

A
Cheapest Retailer
-
$5,086 AUD
$3,564 USD
A
Retailer 2
-
$5,165 AUD
$3,620 USD
View
A
Retailer 3
-
$5,180 AUD
SGD 4,906 SGD
View
A
Retailer 4
-
$5,434 AUD
$3,808 USD
View
A
Retailer 5
-
$5,494 AUD
$3,850 USD
View
A
Retailer 6
-
$5,514 AUD
$3,864 USD
View
A
Retailer 7
-
$5,552 AUD
SGD 5,258 SGD
View
A
Retailer 8
-
$5,927 AUD
£3,271 GBP
View
B+
Retailer 9
-
$6,451 AUD
$4,521 USD
View
B+
Retailer 10
-
$6,509 AUD
$4,562 USD
View
B+
Retailer 11
-
$6,547 AUD
€4,370 EUR
View
B+
Retailer 12
-
$7,936 AUD
$5,562 USD
View
B
Retailer 13
-
$8,576 AUD
$6,010 USD
View
B+
Retailer 14
-
$9,114 AUD
$6,387 USD
View
Most Expensive
B
Wholesale Diamonds Direct
515662370 · Oct 27
$9,404 AUD
$6,591 USD
View
14 more retailers have this diamond
Prices start from $5,086 AUDSave up to $4,319 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
$5,086 AUD