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Heart|Natural|GIA

0.78ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 1549275139

Certificate GIA 1549275139

Diamond specifications and retailer prices

From $894 CAD
HK$5,000 HKD
As of October 30, 2026
Save $866 CAD (49%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,934 CAD at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 0.78ct natural heart diamond

This 0.78ct natural heart sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1549275139. Listed at 18 retailers as of October 30, 2026, with a 97% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.78
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1549275139
Dimensions5.51 × 6.50 × 3.84 mm
L/W Ratio1.18
Girdle conditionFaceted
Top View
5.51 mm6.50 mm0.78 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549275139
Side View
Table 59.0%CrownGirdle: THN-THKPavilion 41.6°Culet: NoneDepth 59.1%

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: Oct 30
Current: $1,756 CAD|Low: $894 CAD|High: $2,260 CAD|Avg: $1,426 CAD|-3.8%
Retailer 1
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
October 31, 2026
Retailer 15$894 CAD
Retailer 2$1,084 CAD
Retailer 5$1,159 CAD
Retailer 13$1,171 CAD
Retailer 11$1,175 CAD
Retailer 14$1,242 CAD
Retailer 6$1,246 CAD
Retailer 12$1,404 CAD
Retailer 10$1,413 CAD
Retailer 7$1,430 CAD
Retailer 9$1,435 CAD
Retailer 3$1,488 CAD
Retailer 1$1,756 CAD
Retailer 8$1,834 CAD
Retailer 16$1,837 CAD
Retailer 4$2,166 CAD

28 data points across 16 retailers

18 retailers$894 CAD to $1,760 CAD

A
Cheapest Retailer
-
$894 CAD
HK$5,000 HKD
A
Retailer 2
-
$1,084 CAD
$776 USD
View
Final sale: no returns
A
Retailer 3
-
$1,159 CAD
$830 USD
View
A
Retailer 4
-
$1,171 CAD
$838 USD
View
A
Retailer 5
-
$1,175 CAD
€801 EUR
View
A
Retailer 6
-
$1,242 CAD
$889 USD
View
Retailer 7
-
$1,246 CAD
SGD 1,205 SGD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$1,404 CAD
$1,005 USD
View
A
Retailer 9
-
$1,413 CAD
£797 GBP
View
A
Retailer 10
-
$1,430 CAD
SGD 1,383 SGD
View
A
Retailer 11
-
$1,435 CAD
£809 GBP
View
A
Retailer 12
-
$1,488 CAD
$1,065 USD
View
B+
Retailer 13
-
$1,756 CAD
ZAR 20,310 ZAR
View
B+
Retailer 14
-
$1,760 CAD
A$1,938 AUD
View
Retailer 15
-
$1,834 CAD
A$2,020 AUD
View
Price last confirmed 27 days ago
Retailer 16
-
$1,837 CAD
$1,315 USD
View
Price last confirmed 7 days ago
Retailer 17
-
$2,166 CAD
£1,221 GBP
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
fe661871-26f7-47b4-9d4a-36a9581c5b83 · Sep 25
$3,934 CAD
$2,816 USD
View
Price last confirmed 36 days ago
17 more retailers have this diamond
Prices start from $894 CADSave up to $866 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
0.78ct Heart
$894 CAD