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Heart|Natural|GIA

1.70ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 6555648690

Certificate GIA 6555648690

Diamond specifications and retailer prices

From $4,145 CAD
As of November 6, 2026
Save $1,512 CAD (27%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,658 CAD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.7ct natural heart diamond

This 1.7ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555648690. Listed at 6 retailers as of November 6, 2026, with prices from $4,145 to $5,658, a $1,512 spread on the same certified stone. GemTrove lists it at $5,658. 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
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555648690
Dimensions7.15 × 8.40 × 5.00 mm
L/W Ratio1.17
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cloud, Cavity, Indented Natural
Top View
7.15 mm8.40 mm1.70 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555648690
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.5%

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 6
Current: $4,159 CAD|Low: $3,976 CAD|High: $5,453 CAD|Avg: $4,559 CAD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$4,145 CAD
Retailer 1$4,159 CAD
Retailer 3$4,224 CAD
Retailer 2$4,431 CAD
Retailer 5$4,836 CAD

46 data points across 5 retailers

6 retailers$4,145 CAD to $5,658 CAD

A
Cheapest Retailer
-
$4,145 CAD
A
Retailer 2
-
$4,159 CAD
View
A
Retailer 3
-
$4,224 CAD
View
Final sale: no returns
A
Retailer 4
-
$4,431 CAD
View
A
Retailer 5
-
$4,836 CAD
View
Most Expensive
B+
GemTrove
GT-N-01270066-98 · Nov 6
$5,658 CAD
A$6,188 AUD
View
5 more retailers have this diamond
Prices start from $4,145 CADSave up to $1,512 CAD

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
$4,145 CAD