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Princess|Natural|GIA

1.51ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 3565156631

Certificate GIA 3565156631

Diamond specifications and retailer prices

From $4,848 AUD
$3,398 USD
As of October 31, 2026
Save $4,151 AUD (46%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,999 AUD at Wholesale Diamonds Direct · As of October 26, 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 3565156631. Listed at 16 retailers as of October 26, 2026, with prices from $4,848 to $8,999, a $4,151 spread on the same certified stone. Wholesale Diamonds Direct lists it at $8,999. 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
FluorescenceNone
Crown angle30.13°
Pavilion angle37.98°
OriginNatural
Grading LabGIA
CertificateGIA 3565156631
Dimensions6.16 × 6.04 × 4.43 mm
L/W Ratio1.02
Culet sizeNone
Top View
6.16 mm6.04 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565156631
Side View
Table 70.0%Crown 30.13°Girdle: THK-VTKPavilion 37.98°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: Oct 31
Current: $6,243 AUD|Low: $4,848 AUD|High: $9,431 AUD|Avg: $6,385 AUD|-3.7%
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
Retailer 14
Retailer 15
Retailer 16
Wholesale Diamonds Direct
November 2, 2026
Retailer 12$4,848 AUD
Retailer 14$4,926 AUD
Retailer 2$4,938 AUD
Retailer 13$5,181 AUD
Retailer 11$5,251 AUD
Retailer 6$5,291 AUD
Retailer 8$5,427 AUD
Retailer 9$5,652 AUD
Retailer 15$6,050 AUD
Retailer 3$6,166 AUD
Retailer 4$6,236 AUD
Retailer 1$6,243 AUD
Retailer 7$7,060 AUD
Retailer 10$7,567 AUD
Retailer 16$8,176 AUD
Retailer 5$8,690 AUD
Wholesale Diamonds Direct$8,999 AUD

21 data points across 17 retailers

16 retailers$4,848 AUD to $8,999 AUD

A
Cheapest Retailer
-
$4,848 AUD
$3,398 USD
A
Retailer 2
-
$4,926 AUD
$3,452 USD
View
A
Retailer 3
-
$4,938 AUD
SGD 4,677 SGD
View
A
Retailer 4
-
$5,181 AUD
$3,631 USD
View
A
Retailer 5
-
$5,251 AUD
$3,680 USD
View
A
Retailer 6
-
$5,291 AUD
SGD 5,011 SGD
View
A
Retailer 7
-
$5,427 AUD
$3,803 USD
View
A
Retailer 8
-
$5,652 AUD
£3,119 GBP
View
A
Retailer 9
-
$6,050 AUD
$4,240 USD
View
A
Retailer 10
-
$6,166 AUD
$4,321 USD
View
A
Retailer 11
-
$6,236 AUD
$4,370 USD
View
A
Retailer 12
-
$6,243 AUD
€4,167 EUR
View
B+
Retailer 13
-
$7,567 AUD
$5,303 USD
View
B+
Retailer 14
-
$8,176 AUD
$5,730 USD
View
B+
Retailer 15
-
$8,690 AUD
$6,090 USD
View
Most Expensive
B
Wholesale Diamonds Direct
427169053 · Oct 26
$8,999 AUD
$6,307 USD
View
15 more retailers have this diamond
Prices start from $4,848 AUDSave up to $4,151 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
$4,848 AUD