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Round|Natural|GIA

1.30ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6545016555

Certificate GIA 6545016555

Diamond specifications and retailer prices

From $4,510 SGD
As of November 4, 2026
Save $5,346 SGD (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,856 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 6545016555. Listed at 20 retailers as of November 4, 2026, with prices from $4,510 to $9,856, a $5,346 spread on the same certified stone. NZ Jewellers lists it at $9,856. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
OriginNatural
Grading LabGIA
CertificateGIA 6545016555
Dimensions7.04 × 7.01 × 4.32 mm
L/W Ratio1.00
Star length50%
Top View
7.04 mm7.01 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545016555
Side View
Table 59.0%Crown 32.5°Girdle: ThickPavilionCulet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,413 SGD|Low: $4,510 SGD|High: $9,117 SGD|Avg: $6,008 SGD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$4,510 SGD
Retailer 6$4,595 SGD
Retailer 1$5,413 SGD
Retailer 2$5,694 SGD
Retailer 7$6,034 SGD
Retailer 4$6,361 SGD
Retailer 3$6,901 SGD
Retailer 5$9,010 SGD

37 data points across 8 retailers

20 retailers$4,510 SGD to $9,856 SGD

A
Cheapest Retailer
-
$4,510 SGD
A
Retailer 2
-
$4,595 SGD
View
A
Retailer 3
-
$4,687 SGD
View
B+
Retailer 4
-
$4,889 SGD
View
B+
Retailer 5
-
$5,125 SGD
View
Retailer 6
-
$5,125 SGD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$5,125 SGD
View
B+
Retailer 8
-
$5,413 SGD
View
B+
Retailer 9
-
$5,451 SGD
View
B+
Retailer 10
-
$5,694 SGD
View
B+
Retailer 11
-
$5,780 SGD
View
B+
Retailer 12
-
$5,780 SGD
View
B+
Retailer 13
-
$5,913 SGD
View
B+
Retailer 14
-
$5,972 SGD
View
Retailer 15
-
$6,034 SGD
View
Price last confirmed 28 days ago
B
Retailer 16
-
$6,361 SGD
View
Retailer 17
-
$6,400 SGD
View
Price last confirmed 14 days ago
B
Retailer 18
-
$6,901 SGD
View
B
Retailer 19
-
$9,010 SGD
View
Most Expensive
B
NZ Jewellers
000d3fba-2572-4293-a4fc-6348af70821a · Nov 5
$9,856 SGD
$7,690 USD
View
19 more retailers have this diamond
Prices start from $4,510 SGDSave up to $5,346 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.

A
1.30ct Round
$4,510 SGD