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Round|Natural|GIA

1.30ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6495897334

Certificate GIA 6495897334

Diamond specifications and retailer prices

From $5,922 SGD
As of November 4, 2026
Save $6,614 SGD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,537 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6495897334. Listed at 16 retailers as of November 4, 2026, with prices from $5,922 to $12,537, a $6,614 spread on the same certified stone. NZ Jewellers lists it at $12,537. 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

1.30
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6495897334
Dimensions7.05 × 7.00 × 4.26 mm
L/W Ratio1.01
Top View
7.05 mm7.00 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6495897334
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.7%

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 4
Current: $9,145 SGD|Low: $5,224 SGD|High: $11,177 SGD|Avg: $7,818 SGD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5$5,991 SGD
Retailer 7$6,268 SGD
Retailer 8$6,791 SGD
Retailer 3$7,192 SGD
Retailer 6$7,524 SGD
Retailer 2$8,125 SGD
Retailer 1$9,145 SGD
Retailer 4$11,014 SGD

44 data points across 8 retailers

16 retailers$5,922 SGD to $12,537 SGD

B+
Cheapest Retailer
-
$5,922 SGD
B+
Retailer 2
-
$5,991 SGD
View
B
Retailer 3
-
$6,268 SGD
View
Final sale: no returns
B+
Retailer 4
-
$6,717 SGD
View
Retailer 5
-
$6,791 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$6,791 SGD
View
B+
Retailer 7
-
$6,791 SGD
View
B
Retailer 8
-
$7,187 SGD
View
B+
Retailer 9
-
$7,192 SGD
View
Retailer 10
-
$7,524 SGD
View
Price last confirmed 23 days ago
B
Retailer 11
-
$7,836 SGD
View
B
Retailer 12
-
$8,125 SGD
View
Retailer 13
-
$8,268 SGD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$9,145 SGD
View
B
Retailer 15
-
$11,014 SGD
View
Most Expensive
B
NZ Jewellers
2398afd0-7ebc-4eb4-9b25-20f0c5f827fc · Nov 5
$12,537 SGD
$9,782 USD
View
15 more retailers have this diamond
Prices start from $5,922 SGDSave up to $6,614 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+
1.30ct Round
$5,922 SGD