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Round|Natural|GIA

0.80ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1555455999

Certificate GIA 1555455999

Diamond specifications and retailer prices

From $2,116 CAD
As of November 1, 2026
Save $4,355 CAD (67%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $6,470 CAD 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1555455999. Listed at 25 retailers as of November 1, 2026, with prices from $2,116 to $6,470, a $4,355 spread on the same certified stone. NZ Jewellers lists it at $6,470. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1555455999
Dimensions5.90 × 5.95 × 3.70 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Culet sizeNone
Key to symbols
Crystal
Top View
5.90 mm5.95 mm0.80 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555455999
Side View
Table 57.0%Crown 35°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.5%

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 1
Current: $6,470 CAD|Low: $2,033 CAD|High: $6,470 CAD|Avg: $3,218 CAD
NZ Jewellers
Retailer 2
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Retailer 5
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Retailer 15
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Retailer 20
Retailer 21
November 6, 2026
Retailer 10$2,116 CAD
Retailer 12$2,190 CAD
Retailer 11$2,218 CAD
Retailer 6$2,404 CAD
Retailer 8$2,404 CAD
Retailer 14$2,500 CAD
Retailer 7$2,514 CAD
Retailer 21$2,559 CAD
Retailer 13$2,709 CAD
Retailer 20$2,709 CAD
Retailer 9$2,774 CAD
Retailer 16$2,807 CAD
Retailer 17$2,846 CAD
Retailer 2$2,906 CAD
Retailer 18$3,130 CAD
Retailer 15$3,325 CAD
Retailer 19$3,593 CAD
Retailer 4$3,951 CAD
Retailer 3$4,646 CAD
Retailer 5$4,850 CAD
NZ Jewellers$6,470 CAD

29 data points across 21 retailers

25 retailers$2,116 CAD to $6,470 CAD

A
Cheapest Retailer
-
$2,116 CAD
A
Retailer 2
-
$2,190 CAD
View
A
Retailer 3
-
$2,218 CAD
View
Final sale: no returns
A
Retailer 4
-
$2,404 CAD
View
Retailer 5
-
$2,404 CAD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$2,418 CAD
View
A
Retailer 7
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$2,500 CAD
View
A
Retailer 8
-
$2,503 CAD
View
A
Retailer 9
-
$2,514 CAD
View
B+
Retailer 10
-
$2,559 CAD
View
B+
Retailer 11
-
$2,709 CAD
View
B+
Retailer 12
-
$2,709 CAD
View
B+
Retailer 13
-
$2,774 CAD
View
B+
Retailer 14
-
$2,807 CAD
View
B+
Retailer 15
-
$2,846 CAD
View
B+
Retailer 16
-
$2,906 CAD
View
B+
Retailer 17
-
$3,130 CAD
View
B+
Retailer 18
-
$3,161 CAD
View
B+
Retailer 19
-
$3,325 CAD
View
Retailer 20
-
$3,461 CAD
View
Price last confirmed 32 days ago
B+
Retailer 21
-
$3,593 CAD
View
B+
Retailer 22
-
$3,951 CAD
View
B
Retailer 23
-
$4,646 CAD
View
Retailer 24
-
$4,850 CAD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
b6d2e8fe-030a-47c9-9295-07942ee8031c · Nov 5
$6,470 CAD
$4,633 USD
View
24 more retailers have this diamond
Prices start from $2,116 CADSave up to $4,355 CAD

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
$2,116 CAD