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Heart|Natural|IGI

1.00ct H I1 Heart Natural Diamond

VG • H/I1 • IGI 808620039

Shape and cutting style on the report: Heart brilliant

Certificate IGI 808620039

Diamond specifications and retailer prices

From $1,151 SGD
$900 USD
As of October 29, 2026
Save $2,456 SGD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,606 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded H colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 808620039. Listed at 8 retailers as of October 30, 2026, with prices from $1,151 to $3,606, a $2,456 spread on the same certified stone. NZ Jewellers lists it at $3,606. 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

1.00
Carat
H
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle38.1°
OriginNatural
Grading LabIGI
CertificateIGI 808620039
Dimensions6.08 × 6.69 × 4.09 mm
L/W Ratio1.10
Girdle conditionFaceted
Top View
6.08 mm6.69 mm1.00 ctH / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 808620039
Side View
Table 57.0%Crown 38.5°Girdle: STK-THKPavilion 38.1°CuletDepth 61.1%

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: Oct 29
Current: $3,606 SGD|Low: $1,151 SGD|High: $3,606 SGD|Avg: $1,597 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 6$1,151 SGD
Retailer 8$1,151 SGD
Retailer 7$1,163 SGD
Retailer 3$1,186 SGD
Retailer 4$1,194 SGD
Retailer 5$1,327 SGD
Retailer 2$1,622 SGD
NZ Jewellers$3,606 SGD

10 data points across 8 retailers

8 retailers$1,151 SGD to $3,606 SGD

A
Cheapest Retailer
-
$1,151 SGD
$900 USD
A
Retailer 2
-
$1,151 SGD
$900 USD
View
B+
Retailer 3
-
$1,163 SGD
$910 USD
View
B+
Retailer 4
-
$1,186 SGD
$927 USD
View
B+
Retailer 5
-
$1,194 SGD
$934 USD
View
B+
Retailer 6
-
$1,327 SGD
$1,038 USD
View
B+
Retailer 7
-
$1,622 SGD
€1,208 EUR
View
Most Expensive
C
NZ Jewellers
c41d2456-6d96-4a60-a91e-a360704b6fe4 · Oct 30
$3,606 SGD
$2,821 USD
View
7 more retailers have this diamond
Prices start from $1,151 SGDSave up to $2,456 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
1.00ct Heart
$1,151 SGD