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Heart|Natural|GIA

0.77ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 6551213388

Certificate GIA 6551213388

Diamond specifications and retailer prices

From $1,038 AUD
$729 USD
As of October 28, 2026
Save $811 AUD (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,849 AUD at GemTrove · As of October 29, 2026
View at GemTrove

About this 0.77ct natural heart diamond

This 0.77ct natural heart sits in the just-under-one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551213388. Listed at 6 retailers as of October 28, 2026, with prices from $1,038 to $1,849, a $811 spread on the same certified stone. GemTrove lists it at $1,849. 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

0.77
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551213388
Dimensions5.73 × 6.31 × 3.75 mm
L/W Ratio1.10
Top View
5.73 mm6.31 mm0.77 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551213388
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.5%

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: Oct 28
Current: $1,849 AUD|Low: $964 AUD|High: $1,849 AUD|Avg: $1,279 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 4$1,038 AUD
Retailer 6$1,040 AUD
Retailer 3$1,132 AUD
Retailer 5$1,157 AUD
Retailer 2$1,221 AUD
GemTrove$1,849 AUD

41 data points across 6 retailers

6 retailers$1,038 AUD to $1,849 AUD

A
Cheapest Retailer
-
$1,038 AUD
$729 USD
Final sale: no returns
A
Retailer 2
-
$1,040 AUD
MYR 2,976 MYR
View
A
Retailer 3
-
$1,132 AUD
$795 USD
View
A
Retailer 4
-
$1,157 AUD
SGD 1,098 SGD
View
A
Retailer 5
-
$1,221 AUD
£675 GBP
View
Most Expensive
B+
GemTrove
GT-N-01265336-98 · Oct 29
$1,849 AUD
View
5 more retailers have this diamond
Prices start from $1,038 AUDSave up to $811 AUD

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
0.77ct Heart
$1,038 AUD