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Princess|Natural|GIA

1.51ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 6545999760

Certificate GIA 6545999760

Diamond specifications and retailer prices

From $6,016 AUD
£3,320 GBP
As of October 28, 2026
Save $2,474 AUD (29%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,490 AUD at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

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 6545999760. Listed at 11 retailers as of October 27, 2026, with prices from $6,016 to $8,490, a $2,474 spread on the same certified stone. Do Amore Diamonds lists it at $8,490. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545999760
Dimensions6.50 × 6.31 × 4.58 mm
L/W Ratio1.03
Top View
6.50 mm6.31 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545999760
Side View
Table 73.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 72.7%

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 28
Current: $8,490 AUD|Low: $4,923 AUD|High: $9,303 AUD|Avg: $6,624 AUD|-5.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 7$4,923 AUD
Retailer 3$5,218 AUD
Retailer 11$5,616 AUD
Retailer 4$5,862 AUD
Retailer 12$6,009 AUD
Retailer 2$6,016 AUD
Retailer 5$6,070 AUD
Retailer 8$6,435 AUD
Retailer 10$6,435 AUD
Retailer 9$6,649 AUD
Retailer 6$8,068 AUD
Do Amore Diamonds$8,490 AUD

36 data points across 12 retailers

11 retailers$6,016 AUD to $8,490 AUD

Retailer 1
-
$4,923 AUD
$3,450 USD
Price last confirmed 8 days ago
Retailer 2
-
$5,094 AUD
$3,570 USD
View
Price last confirmed 78 days ago
Retailer 3
-
$5,616 AUD
$3,936 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$5,862 AUD
MYR 16,734 MYR
View
Price last confirmed 7 days ago
Retailer 5
-
$6,009 AUD
SGD 5,691 SGD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$6,016 AUD
£3,320 GBP
View
A
Retailer 7
-
$6,070 AUD
$4,254 USD
View
Retailer 8
-
$6,435 AUD
$4,510 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$6,435 AUD
$4,510 USD
View
Price last confirmed 7 days ago
Retailer 10
-
$6,649 AUD
$4,660 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
12-100766796548 · Oct 27
$8,490 AUD
$5,950 USD
View
10 more retailers have this diamond
Prices start from $6,016 AUDSave up to $2,474 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
$6,016 AUD