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Heart|Natural|GIA

1.00ct D IF Heart Natural Diamond

EX • D/IF • GIA 2126685326

Certificate GIA 2126685326

Diamond specifications and retailer prices

From $7,427 AUD
As of November 4, 2026
Save $4,872 AUD (40%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $12,299 AUD at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2126685326. Listed at 7 retailers as of November 4, 2026, with prices from $7,427 to $12,299, a $4,872 spread on the same certified stone. Cape Diamonds lists it at $12,299. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2126685326
Dimensions5.82 × 6.99 × 4.03 mm
L/W Ratio1.20
Culet sizeNone
Top View
5.82 mm6.99 mm1.00 ctD / IF
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2126685326
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 57.6%

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 4
Current: $12,299 AUD|Low: $7,427 AUD|High: $23,595 AUD|Avg: $15,450 AUD|-46.9%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4$7,427 AUD
Retailer 5$8,038 AUD
Retailer 7$8,070 AUD
Retailer 6$8,234 AUD
Retailer 3$9,238 AUD
Retailer 2$10,339 AUD
Cape Diamonds$12,299 AUD
Retailer 8$19,499 AUD

39 data points across 8 retailers

7 retailers$7,427 AUD to $12,299 AUD

A
Cheapest Retailer
-
$7,427 AUD
A
Retailer 2
-
$8,038 AUD
View
Final sale: no returns
A
Retailer 3
-
$8,070 AUD
View
A
Retailer 4
-
$8,234 AUD
View
B+
Retailer 5
-
$9,238 AUD
View
B+
Retailer 6
-
$10,339 AUD
View
Most Expensive
B+
Cape Diamonds
cert_2126685326 · Nov 5
$12,299 AUD
ZAR 139,089 ZAR
View
6 more retailers have this diamond
Prices start from $7,427 AUDSave up to $4,872 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
1.00ct Heart
$7,427 AUD