CaratHunter
Plans
Heart|Natural|GIA

1.70ct D IF Heart Natural Diamond

EX • D/IF • GIA 2547645456

Certificate GIA 2547645456

Diamond specifications and retailer prices

From $21,343 AUD
As of November 4, 2026
Save $5,746 AUD (21%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $27,089 AUD at 77 Diamonds · As of November 3, 2026
View at 77 Diamonds

About this 1.7ct natural heart diamond

This 1.7ct natural heart sits in the one-and-a-half to two 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 2547645456. Listed at 2 retailers as of November 3, 2026, with prices from $21,343 to $27,089, a $5,746 spread on the same certified stone. 77 Diamonds lists it at $27,089. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
D
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.46°
Pavilion angle40.97°
OriginNatural
Grading LabGIA
CertificateGIA 2547645456
Dimensions7.11 × 8.30 × 4.95 mm
L/W Ratio1.17
Top View
7.11 mm8.30 mm1.70 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547645456
Side View
Table 63.0%Crown 40.46°GirdlePavilion 40.97°CuletDepth 59.7%

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: Nov 4
Current: $27,089 AUD|Low: $20,969 AUD|High: $27,591 AUD|Avg: $24,972 AUD|+0.5%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 2$21,343 AUD
Retailer 4$23,970 AUD
Retailer 3$25,414 AUD
Retailer 5$26,832 AUD
77 Diamonds$27,089 AUD

33 data points across 5 retailers

2 retailers$21,343 AUD to $27,089 AUD

A
Cheapest Retailer
-
$21,343 AUD
Most Expensive
B+
77 Diamonds
HSILKZ7ZRRJB · Nov 3
$27,089 AUD
£14,932 GBP
View
1 more retailer has this diamond
Prices start from $21,343 AUDSave up to $5,746 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
1.70ct Heart
$21,343 AUD