CaratHunter
Plans
Princess|Natural|GIA

1.51ct H SI2 Princess Natural Diamond

EX • H/SI2 • GIA 2387508343

Certificate GIA 2387508343

Diamond specifications and retailer prices

From $6,688 AUD
$4,698 USD
As of November 1, 2026
Save $3,039 AUD (31%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,727 AUD at 77 Diamonds · As of November 2, 2026
View at 77 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2387508343. Listed at 10 retailers as of November 1, 2026, with prices from $6,688 to $9,727, a $3,039 spread on the same certified stone. 77 Diamonds lists it at $9,727. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2387508343
Dimensions6.33 × 6.29 × 4.55 mm
L/W Ratio1.01
Top View
6.33 mm6.29 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2387508343
Side View
Table 73.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 72.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $9,727 AUD|Low: $6,688 AUD|High: $9,790 AUD|Avg: $8,263 AUD|+1.7%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7$6,688 AUD
Retailer 3$6,842 AUD
Retailer 5$7,027 AUD
Retailer 6$7,470 AUD
Retailer 2$8,570 AUD
Retailer 4$8,622 AUD
Retailer 8$9,154 AUD
Retailer 9$9,154 AUD
Retailer 10$9,453 AUD
77 Diamonds$9,727 AUD

34 data points across 10 retailers

10 retailers$6,688 AUD to $9,727 AUD

B+
Cheapest Retailer
-
$6,688 AUD
$4,698 USD
B+
Retailer 2
-
$6,842 AUD
$4,806 USD
View
B+
Retailer 3
-
$7,027 AUD
$4,936 USD
View
B+
Retailer 4
-
$7,470 AUD
$5,247 USD
View
B
Retailer 5
-
$8,570 AUD
$6,020 USD
View
B
Retailer 6
-
$8,622 AUD
View
B
Retailer 7
-
$9,154 AUD
$6,430 USD
View
B
Retailer 8
-
$9,154 AUD
$6,430 USD
View
B
Retailer 9
-
$9,453 AUD
$6,640 USD
View
Most Expensive
B
77 Diamonds
PRIZNJQSXNZN · Nov 2
$9,727 AUD
£5,380 GBP
View
9 more retailers have this diamond
Prices start from $6,688 AUDSave up to $3,039 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.

B+
1.51ct Princess
$6,688 AUD