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Round|Natural|GIA

0.80ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6545006193

Certificate GIA 6545006193

Diamond specifications and retailer prices

From $788 SGD
As of November 5, 2026
Save $2,468 SGD (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,256 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545006193. Listed at 20 retailers as of November 5, 2026, with prices from $788 to $3,256, a $2,468 spread on the same certified stone. NZ Jewellers lists it at $3,256. 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

0.80
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6545006193
Dimensions5.92 × 5.87 × 3.72 mm
L/W Ratio1.01
Top View
5.92 mm5.87 mm0.80 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545006193
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.1%

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: $3,256 SGD|Low: $788 SGD|High: $3,330 SGD|Avg: $1,311 SGD|-2.2%
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
Retailer 19
Retailer 20
November 6, 2026
Retailer 17$788 SGD
Retailer 12$801 SGD
Retailer 7$1,038 SGD
Retailer 9$1,052 SGD
Retailer 11$1,064 SGD
Retailer 20$1,078 SGD
Retailer 8$1,082 SGD
Retailer 13$1,109 SGD
Retailer 19$1,155 SGD
Retailer 10$1,198 SGD
Retailer 3$1,207 SGD
Retailer 6$1,224 SGD
Retailer 14$1,230 SGD
Retailer 16$1,248 SGD
Retailer 4$1,252 SGD
Retailer 2$1,302 SGD
Retailer 15$1,383 SGD
Retailer 18$1,535 SGD
Retailer 5$1,901 SGD
NZ Jewellers$3,256 SGD

15 data points across 20 retailers

20 retailers$788 SGD to $3,256 SGD

A
Cheapest Retailer
-
$788 SGD
A
Retailer 2
-
$801 SGD
View
A
Retailer 3
-
$1,038 SGD
View
A
Retailer 4
-
$1,052 SGD
View
Retailer 5
-
$1,064 SGD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,078 SGD
View
A
Retailer 7
-
$1,082 SGD
View
A
Retailer 8
-
$1,109 SGD
View
B+
Retailer 9
-
$1,155 SGD
View
A
Retailer 10
-
$1,198 SGD
View
A
Retailer 11
-
$1,207 SGD
View
A
Retailer 12
-
$1,224 SGD
View
A
Retailer 13
-
$1,230 SGD
View
A
Retailer 14
-
$1,248 SGD
View
A
Retailer 15
-
$1,252 SGD
View
A
Retailer 16
-
$1,302 SGD
View
A
Retailer 17
-
$1,383 SGD
View
B+
Retailer 18
-
$1,535 SGD
View
B+
Retailer 19
-
$1,901 SGD
View
Most Expensive
B
NZ Jewellers
ef739d07-087a-4231-97c0-db4d0ff768af · Nov 5
$3,256 SGD
$2,549 USD
View
19 more retailers have this diamond
Prices start from $788 SGDSave up to $2,468 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
0.80ct Round
$788 SGD