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Heart|Natural|GIA

0.81ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 80

Certificate GIA 80

Diamond specifications and retailer prices

From $3,270 CAD
$2,341 USD
As of October 31, 2026
Save $914 CAD (22%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,184 CAD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 0.81ct natural heart diamond

This 0.81ct natural heart sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of October 31, 2026, with prices from $3,270 to $4,184, a $914 spread on the same certified stone. Blue Nile lists it at $4,184. 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

0.81
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 80
Dimensions5.95 × 6.34 × 3.61 mm
L/W Ratio1.07
Top View
5.95 mm6.34 mm0.81 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceMedium
CertificateGIA 80
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 56.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,184 CAD|Low: $3,270 CAD|High: $4,184 CAD|Avg: $3,484 CAD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 3$3,270 CAD
Retailer 2$3,348 CAD
Blue Nile$4,184 CAD

2 data points across 3 retailers

3 retailers$3,270 CAD to $4,184 CAD

B
Cheapest Retailer
-
$3,270 CAD
$2,341 USD
B
Retailer 2
-
$3,348 CAD
$2,397 USD
View
Most Expensive
B
Blue Nile
14974603 · Oct 31
$4,184 CAD
$2,995 USD
View
2 more retailers have this diamond
Prices start from $3,270 CADSave up to $914 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.

B
0.81ct Heart
$3,270 CAD