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Round|Natural|GIA

1.30ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6485836623

Certificate GIA 6485836623

Diamond specifications and retailer prices

From $5,646 SGD
As of November 4, 2026
Save $6,684 SGD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,330 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6485836623. Listed at 17 retailers as of November 4, 2026, with prices from $5,646 to $12,330, a $6,684 spread on the same certified stone. NZ Jewellers lists it at $12,330. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6485836623
Dimensions6.99 × 6.95 × 4.36 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.99 mm6.95 mm1.30 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6485836623
Side View
Table 57.0%Crown 33.5°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $12,330 SGD|Low: $5,407 SGD|High: $12,330 SGD|Avg: $7,473 SGD
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
November 6, 2026
Retailer 12$5,646 SGD
Retailer 16$5,662 SGD
Retailer 4$5,824 SGD
Retailer 5$6,164 SGD
Retailer 17$6,609 SGD
Retailer 8$6,679 SGD
Retailer 9$6,679 SGD
Retailer 15$6,679 SGD
Retailer 2$7,074 SGD
Retailer 6$7,383 SGD
Retailer 14$7,383 SGD
Retailer 7$7,625 SGD
Retailer 10$7,632 SGD
Retailer 11$7,813 SGD
Retailer 3$8,133 SGD
Retailer 13$10,860 SGD
NZ Jewellers$12,330 SGD

42 data points across 17 retailers

17 retailers$5,646 SGD to $12,330 SGD

A
Cheapest Retailer
-
$5,646 SGD
A
Retailer 2
-
$5,662 SGD
View
A
Retailer 3
-
$5,824 SGD
View
A
Retailer 4
-
$6,164 SGD
View
Final sale: no returns
B+
Retailer 5
-
$6,609 SGD
View
B+
Retailer 6
-
$6,679 SGD
View
Retailer 7
-
$6,679 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$6,679 SGD
View
B+
Retailer 9
-
$7,074 SGD
View
B+
Retailer 10
-
$7,383 SGD
View
B+
Retailer 11
-
$7,383 SGD
View
B+
Retailer 12
-
$7,625 SGD
View
B+
Retailer 13
-
$7,632 SGD
View
B+
Retailer 14
-
$7,813 SGD
View
Retailer 15
-
$8,133 SGD
View
Price last confirmed 14 days ago
B
Retailer 16
-
$10,860 SGD
View
Most Expensive
B
NZ Jewellers
4c0f18e2-428a-4981-b49e-78022fea541e · Nov 5
$12,330 SGD
$9,653 USD
View
16 more retailers have this diamond
Prices start from $5,646 SGDSave up to $6,684 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
$5,646 SGD