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Heart|Natural|GIA

0.67ct D SI2 Heart Natural Diamond

ID • D/SI2 • GIA 1538765792

Certificate GIA 1538765792

Diamond specifications and retailer prices

From $826 AUD
$580 USD
As of October 30, 2026
Save $1,121 AUD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,540 AUD at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 0.67ct natural heart diamond

This 0.67ct natural heart sits in the half to three-quarter carat band, graded D 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 1538765792. Listed at 15 retailers as of October 29, 2026, with a 136% 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

0.67
Carat
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 1538765792
Dimensions5.54 × 6.15 × 3.46 mm
L/W Ratio1.11
Girdle conditionFaceted
Top View
5.54 mm6.15 mm0.67 ctD / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1538765792
Side View
Table 59.0%CrownGirdle: STK-THKPavilion 40°Culet: NoneDepth 56.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $827 AUD|Low: $794 AUD|High: $2,095 AUD|Avg: $1,245 AUD|-5.4%
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
October 31, 2026
Retailer 5$826 AUD
Retailer 1$827 AUD
Retailer 4$838 AUD
Retailer 7$866 AUD
Retailer 3$994 AUD
Retailer 9$1,123 AUD
Retailer 2$1,162 AUD
Retailer 14$1,261 AUD
Retailer 10$1,290 AUD
Retailer 13$1,322 AUD
Retailer 8$1,453 AUD
Retailer 11$1,577 AUD
Retailer 6$1,608 AUD
Retailer 12$1,947 AUD

36 data points across 14 retailers

15 retailers$826 AUD to $1,947 AUD

A
Cheapest Retailer
-
$826 AUD
$580 USD
A
Retailer 2
-
$827 AUD
$581 USD
View
A
Retailer 3
-
$838 AUD
HK$4,600 HKD
View
A
Retailer 4
-
$866 AUD
$608 USD
View
Final sale: no returns
A
Retailer 5
-
$994 AUD
$698 USD
View
A
Retailer 6
-
$1,123 AUD
£621 GBP
View
A
Retailer 7
-
$1,162 AUD
$816 USD
View
B+
Retailer 8
-
$1,261 AUD
SGD 1,197 SGD
View
B+
Retailer 9
-
$1,290 AUD
£714 GBP
View
B+
Retailer 10
-
$1,322 AUD
$929 USD
View
B+
Retailer 11
-
$1,453 AUD
€972 EUR
View
Retailer 12
-
$1,577 AUD
$1,108 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$1,608 AUD
View
B
Retailer 14
-
$1,947 AUD
£1,077 GBP
View
Most Expensive
NZ Jewellers
3bbe3657-f4dc-46c2-8f43-dffe45142c2f · Sep 25
$3,540 AUD
$2,487 USD
View
Price last confirmed 36 days ago
14 more retailers have this diamond
Prices start from $826 AUDSave up to $1,121 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
0.67ct Heart
$826 AUD