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Heart|Natural|IGI

1.70ct I VS1 Heart Natural Diamond

VG • I/VS1 • IGI 830659866

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI 830659866

Diamond specifications and retailer prices

From $5,946 SGD
₹442,995 INR
As of November 1, 2026
Save $6,034 SGD (50%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $11,980 SGD 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 830659866. Listed at 4 retailers as of October 29, 2026, with prices from $5,946 to $11,980, a $6,034 spread on the same certified stone. MOH London lists it at $11,980. 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
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle38.8°
OriginNatural
Grading LabIGI
CertificateIGI 830659866
Dimensions7.56 × 8.05 × 4.76 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizeNone
Top View
7.56 mm8.05 mm1.70 ctI / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 830659866
Side View
Table 57.0%Crown 40°Girdle: THN-THKPavilion 38.8°Culet: NoneDepth 59.1%

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: $11,980 SGD|Low: $5,941 SGD|High: $12,950 SGD|Avg: $8,959 SGD|-7.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3$5,946 SGD
Retailer 2$7,914 SGD
Retailer 4$8,838 SGD
MOH London$11,980 SGD

45 data points across 4 retailers

4 retailers$5,946 SGD to $11,980 SGD

A
Cheapest Retailer
-
$5,946 SGD
₹442,995 INR
A
Retailer 2
-
$7,914 SGD
£4,875 GBP
View
B+
Retailer 3
-
$8,838 SGD
€6,584 EUR
View
Most Expensive
B
MOH London
08830F2A9 · Oct 29
$11,980 SGD
£7,379 GBP
View
3 more retailers have this diamond
Prices start from $5,946 SGDSave up to $6,034 SGD

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
$5,946 SGD