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Heart|Natural|IGI

1.70ct K SI2 Heart Natural Diamond

VG • K/SI2 • IGI 700528984

Shape and cutting style on the report: Heart brilliant

Certificate IGI 700528984

Diamond specifications and retailer prices

From $2,979 USD
As of November 4, 2026
Save $2,868 USD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,847 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 very-good cut grade and certified by IGI 700528984. Listed at 12 retailers as of November 4, 2026, with prices from $2,979 to $5,847, a $2,868 spread on the same certified stone. NZ Jewellers lists it at $5,847. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
K
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle43.6°
OriginNatural
Grading LabIGI
CertificateIGI 700528984
Dimensions7.31 × 8.03 × 4.90 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Top View
7.31 mm8.03 mm1.70 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 700528984
Side View
Table 64.0%Crown 35.8°Girdle: MED-VTKPavilion 43.6°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,907 USD|Low: $1,977 USD|High: $5,680 USD|Avg: $3,552 USD|+9.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$1,977 USD
Retailer 6$2,979 USD
Retailer 5$3,077 USD
Retailer 4$3,210 USD
Retailer 8$3,356 USD
Retailer 10$3,500 USD
Retailer 7$3,872 USD
Retailer 1$3,907 USD
Retailer 9$3,993 USD
Retailer 3$5,598 USD

26 data points across 10 retailers

12 retailers$2,979 USD to $5,847 USD

B+
Cheapest Retailer
-
$2,979 USD
B+
Retailer 2
-
$3,077 USD
View
B+
Retailer 3
-
$3,210 USD
View
Retailer 4
-
$3,356 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$3,356 USD
View
B+
Retailer 6
-
$3,485 USD
View
B+
Retailer 7
-
$3,500 USD
View
Retailer 8
-
$3,872 USD
View
Price last confirmed 61 days ago
B+
Retailer 9
-
$3,872 USD
View
B+
Retailer 10
-
$3,907 USD
View
B
Retailer 11
-
$5,598 USD
View
Most Expensive
B
NZ Jewellers
652b5ffe-1b3b-4d69-ad42-2abb83dbdb12 · Nov 5
$5,847 USD
View
11 more retailers have this diamond
Prices start from $2,979 USDSave up to $2,868 USD

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.

B+
1.70ct Heart
$2,979 USD