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Princess|Natural|GIA

1.05ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 1313586859

Certificate GIA 1313586859

Diamond specifications and retailer prices

From $3,555 SGD
$2,781 USD
As of November 2, 2026
Save $1,845 SGD (34%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,400 SGD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 1.05ct natural princess diamond

This 1.05ct natural princess sits in the classic one-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 1313586859. Listed at 6 retailers as of November 1, 2026, with prices from $3,555 to $5,400, a $1,845 spread on the same certified stone. 77 Diamonds lists it at $5,400. 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

1.05
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1313586859
Dimensions5.77 × 5.68 × 3.90 mm
L/W Ratio1.02
Top View
5.77 mm5.68 mm1.05 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1313586859
Side View
Table 74.0%CrownGirdlePavilionCulet: NoneDepth 68.6%

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: Nov 2
Current: $5,400 SGD|Low: $3,508 SGD|High: $5,413 SGD|Avg: $4,477 SGD|+0.9%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$3,555 SGD
Retailer 2$4,510 SGD
77 Diamonds$5,400 SGD

34 data points across 3 retailers

6 retailers$3,555 SGD to $5,400 SGD

B+
Cheapest Retailer
-
$3,555 SGD
$2,781 USD
B
Retailer 2
-
$3,758 SGD
$2,940 USD
View
B
Retailer 3
-
$3,822 SGD
A$4,600 AUD
View
B
Retailer 4
-
$4,510 SGD
$3,528 USD
View
Retailer 5
-
$4,510 SGD
$3,528 USD
View
Price last confirmed 14 days ago
Most Expensive
B
77 Diamonds
PRIMBDHEFPWUD · Nov 1
$5,400 SGD
£3,326 GBP
View
5 more retailers have this diamond
Prices start from $3,555 SGDSave up to $1,845 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+
1.05ct Princess
$3,555 SGD