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Princess|Natural|GIA

1.70ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 2378563495

Certificate GIA 2378563495

Diamond specifications and retailer prices

From $9,438 AUD
$6,614 USD
As of October 30, 2026
Save $3,236 AUD (26%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $12,674 AUD at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

About this 1.7ct natural princess diamond

This 1.7ct natural princess sits in the one-and-a-half to two carat band, graded I 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 2378563495. Listed at 5 retailers as of October 30, 2026, with prices from $9,438 to $12,674, a $3,236 spread on the same certified stone. 77 Diamonds lists it at $12,674. 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

1.70
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2378563495
Dimensions6.42 × 6.33 × 4.61 mm
L/W Ratio1.01
Top View
6.42 mm6.33 mm1.70 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2378563495
Side View
Table 71.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 72.9%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $12,674 AUD|Low: $9,342 AUD|High: $12,863 AUD|Avg: $10,757 AUD|+1.0%
77 Diamonds
Retailer 2
Retailer 3
October 31, 2026
Retailer 3$9,438 AUD
Retailer 2$10,332 AUD
77 Diamonds$12,674 AUD

31 data points across 3 retailers

5 retailers$9,438 AUD to $12,674 AUD

B+
Cheapest Retailer
-
$9,438 AUD
$6,614 USD
B
Retailer 2
-
$10,062 AUD
View
B+
Retailer 3
-
$10,247 AUD
$7,181 USD
View
B+
Retailer 4
-
$10,332 AUD
$7,241 USD
View
Final sale: no returns
Most Expensive
B
77 Diamonds
PRIZCWSNAX6V · Oct 31
$12,674 AUD
£6,994 GBP
View
4 more retailers have this diamond
Prices start from $9,438 AUDSave up to $3,236 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+
1.70ct Princess
$9,438 AUD