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Round|Natural|GIA

1.30ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7551404033

Certificate GIA 7551404033

Diamond specifications and retailer prices

From $3,861 SGD
As of November 6, 2026
Save $5,042 SGD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,903 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 7551404033. Listed at 19 retailers as of November 5, 2026, with prices from $3,861 to $8,903, a $5,042 spread on the same certified stone. NZ Jewellers lists it at $8,903. 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 angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7551404033
Dimensions6.94 × 6.97 × 4.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.94 mm6.97 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551404033
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

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 6
Current: $8,903 SGD|Low: $3,835 SGD|High: $9,040 SGD|Avg: $5,613 SGD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 2$3,861 SGD
Retailer 16$4,306 SGD
Retailer 5$4,497 SGD
Retailer 9$4,578 SGD
Retailer 6$4,716 SGD
Retailer 14$4,876 SGD
Retailer 10$5,033 SGD
Retailer 4$5,111 SGD
Retailer 7$5,111 SGD
Retailer 13$5,144 SGD
Retailer 12$5,298 SGD
Retailer 11$5,466 SGD
Retailer 15$5,688 SGD
Retailer 3$5,843 SGD
Retailer 18$5,897 SGD
Retailer 17$6,238 SGD
Retailer 8$8,416 SGD
NZ Jewellers$8,903 SGD

25 data points across 18 retailers

19 retailers$3,861 SGD to $8,903 SGD

A
Cheapest Retailer
-
$3,861 SGD
A
Retailer 2
-
$4,306 SGD
View
A
Retailer 3
-
$4,497 SGD
View
A
Retailer 4
-
$4,578 SGD
View
B+
Retailer 5
-
$4,716 SGD
View
Final sale: no returns
B+
Retailer 6
-
$4,876 SGD
View
Retailer 7
-
$5,033 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$5,111 SGD
View
B+
Retailer 9
-
$5,111 SGD
View
B+
Retailer 10
-
$5,144 SGD
View
B+
Retailer 11
-
$5,298 SGD
View
Retailer 12
-
$5,431 SGD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
$5,466 SGD
View
B+
Retailer 14
-
$5,688 SGD
View
B+
Retailer 15
-
$5,843 SGD
View
B+
Retailer 16
-
$5,897 SGD
View
B+
Retailer 17
-
$6,238 SGD
View
B
Retailer 18
-
$8,416 SGD
View
Most Expensive
B
NZ Jewellers
8b23a696-8712-4267-9c29-99c8d121a534 · Nov 5
$8,903 SGD
$6,947 USD
View
18 more retailers have this diamond
Prices start from $3,861 SGDSave up to $5,042 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
$3,861 SGD