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Round|Natural|GIA

1.30ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6545554111

Certificate GIA 6545554111

Diamond specifications and retailer prices

From $4,131 SGD
As of November 5, 2026
Save $2,151 SGD (34%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,281 SGD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545554111. Listed at 6 retailers as of November 5, 2026, with prices from $4,131 to $6,281, a $2,151 spread on the same certified stone. 77 Diamonds lists it at $6,281. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545554111
Dimensions6.93 × 6.97 × 4.33 mm
L/W Ratio1.01
Top View
6.93 mm6.97 mm1.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545554111
Side View
Table 60.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.4%

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 5
Current: $6,281 SGD|Low: $4,108 SGD|High: $6,622 SGD|Avg: $5,221 SGD|-4.3%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3$4,131 SGD
Retailer 5$4,234 SGD
Retailer 4$4,597 SGD
Retailer 6$5,627 SGD
Retailer 2$5,938 SGD
77 Diamonds$6,281 SGD

42 data points across 6 retailers

6 retailers$4,131 SGD to $6,281 SGD

A
Cheapest Retailer
-
$4,131 SGD
A
Retailer 2
-
$4,234 SGD
View
Retailer 3
-
$4,597 SGD
View
Price last confirmed 11 days ago
B+
Retailer 4
-
$5,627 SGD
View
B+
Retailer 5
-
$5,938 SGD
View
Most Expensive
B+
77 Diamonds
RBMB58EQVQ2R · Nov 6
$6,281 SGD
£3,872 GBP
View
5 more retailers have this diamond
Prices start from $4,131 SGDSave up to $2,151 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
$4,131 SGD