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Heart|Natural|GIA

1.70ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 1568557782

Certificate GIA 1568557782

Diamond specifications and retailer prices

From $6,173 AUD
HK$33,800 HKD
As of November 1, 2026
Save $6,555 AUD (52%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,729 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct natural heart diamond

This 1.7ct natural heart sits in the one-and-a-half to two carat band, graded H 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 1568557782. Listed at 15 retailers as of October 29, 2026, with prices from $6,173 to $12,729, a $6,555 spread on the same certified stone. MOH London lists it at $12,729. 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

1.70
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1568557782
Dimensions7.04 × 8.01 × 5.10 mm
L/W Ratio1.14
Girdle conditionFaceted
Top View
7.04 mm8.01 mm1.70 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568557782
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.7%

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 1
Current: $12,729 AUD|Low: $6,009 AUD|High: $13,069 AUD|Avg: $8,545 AUD|-2.2%
MOH London
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
November 2, 2026
Retailer 13$6,173 AUD
Retailer 5$6,343 AUD
Retailer 11$6,602 AUD
Retailer 14$6,872 AUD
Retailer 3$6,989 AUD
Retailer 12$7,326 AUD
Retailer 9$7,426 AUD
Retailer 4$7,491 AUD
Retailer 10$7,852 AUD
Retailer 2$8,367 AUD
Retailer 6$8,547 AUD
Retailer 8$10,045 AUD
Retailer 15$10,768 AUD
Retailer 7$12,656 AUD
MOH London$12,729 AUD

11 data points across 15 retailers

15 retailers$6,173 AUD to $12,729 AUD

A
Cheapest Retailer
-
$6,173 AUD
HK$33,800 HKD
A
Retailer 2
-
$6,343 AUD
$4,445 USD
View
A
Retailer 3
-
$6,602 AUD
$4,627 USD
View
A
Retailer 4
-
$6,872 AUD
€4,587 EUR
View
A
Retailer 5
-
$6,989 AUD
$4,898 USD
View
A
Retailer 6
-
$7,326 AUD
View
B+
Retailer 7
-
$7,426 AUD
$5,204 USD
View
Final sale: no returns
B+
Retailer 8
-
$7,491 AUD
$5,250 USD
View
B+
Retailer 9
-
$7,852 AUD
£4,333 GBP
View
B+
Retailer 10
-
$8,367 AUD
£4,617 GBP
View
B+
Retailer 11
-
$8,547 AUD
$5,990 USD
View
B+
Retailer 12
-
$10,045 AUD
$7,040 USD
View
B
Retailer 13
-
$10,768 AUD
ZAR 121,917 ZAR
View
B
Retailer 14
-
$12,656 AUD
$8,869 USD
View
Most Expensive
B
MOH London
97AA2742E · Oct 29
$12,729 AUD
£7,024 GBP
View
14 more retailers have this diamond
Prices start from $6,173 AUDSave up to $6,555 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
$6,173 AUD