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Round|Natural|GIA

0.80ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1565258810

Certificate GIA 1565258810

Diamond specifications and retailer prices

From $875 SGD
As of November 5, 2026
Save $2,818 SGD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,693 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 1565258810. Listed at 18 retailers as of November 5, 2026, with prices from $875 to $3,693, a $2,818 spread on the same certified stone. NZ Jewellers lists it at $3,693. 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 angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1565258810
Dimensions5.92 × 5.90 × 3.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
5.92 mm5.90 mm0.80 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565258810
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°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 5
Current: $3,693 SGD|Low: $875 SGD|High: $3,792 SGD|Avg: $1,496 SGD|-2.6%
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$875 SGD
Retailer 6$883 SGD
Retailer 15$1,060 SGD
Retailer 13$1,115 SGD
Retailer 17$1,153 SGD
Retailer 9$1,178 SGD
Retailer 7$1,202 SGD
Retailer 4$1,222 SGD
Retailer 10$1,229 SGD
Retailer 3$1,359 SGD
Retailer 14$1,369 SGD
Retailer 11$1,410 SGD
Retailer 2$1,475 SGD
Retailer 5$1,537 SGD
Retailer 16$1,676 SGD
Retailer 8$2,155 SGD
NZ Jewellers$3,693 SGD

20 data points across 17 retailers

18 retailers$875 SGD to $3,693 SGD

A
Cheapest Retailer
-
$875 SGD
A
Retailer 2
-
$883 SGD
View
A
Retailer 3
-
$1,060 SGD
View
A
Retailer 4
-
$1,115 SGD
View
B+
Retailer 5
-
$1,153 SGD
View
A
Retailer 6
-
$1,178 SGD
View
A
Retailer 7
-
$1,187 SGD
View
A
Retailer 8
-
$1,202 SGD
View
A
Retailer 9
-
$1,222 SGD
View
A
Retailer 10
-
$1,229 SGD
View
A
Retailer 11
-
$1,359 SGD
View
A
Retailer 12
-
$1,369 SGD
View
B+
Retailer 13
-
$1,410 SGD
View
B+
Retailer 14
-
$1,475 SGD
View
B+
Retailer 15
-
$1,537 SGD
View
B+
Retailer 16
-
$1,676 SGD
View
B
Retailer 17
-
$2,155 SGD
View
Most Expensive
B
NZ Jewellers
214b6b38-044e-4aa1-9cbc-ba5cf0d2e0ac · Nov 5
$3,693 SGD
$2,891 USD
View
17 more retailers have this diamond
Prices start from $875 SGDSave up to $2,818 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
$875 SGD