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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 $8,459 SGD
$6,614 USD
As of October 30, 2026
Save $2,901 SGD (26%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $11,359 SGD 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 $8,459 to $11,359, a $2,901 spread on the same certified stone. 77 Diamonds lists it at $11,359. 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: $11,359 SGD|Low: $8,373 SGD|High: $11,529 SGD|Avg: $9,641 SGD|+1.0%
77 Diamonds
Retailer 2
Retailer 3
October 31, 2026
Retailer 3$8,459 SGD
Retailer 2$9,261 SGD
77 Diamonds$11,359 SGD

31 data points across 3 retailers

5 retailers$8,459 SGD to $11,359 SGD

B+
Cheapest Retailer
-
$8,459 SGD
$6,614 USD
B
Retailer 2
-
$9,018 SGD
A$10,849 AUD
View
B+
Retailer 3
-
$9,184 SGD
$7,181 USD
View
B+
Retailer 4
-
$9,261 SGD
$7,241 USD
View
Final sale: no returns
Most Expensive
B
77 Diamonds
PRIZCWSNAX6V · Oct 31
$11,359 SGD
£6,994 GBP
View
4 more retailers have this diamond
Prices start from $8,459 SGDSave up to $2,901 SGD

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
$8,459 SGD