Heart|Natural|IGI

1.00ct G SI2 Heart Natural Diamond

VG • G/SI2 • IGI 488122780

Shape and cutting style on the report: Heart brilliant

Certificate IGI 488122780

Diamond specifications and retailer prices

From $1,602 USD
As of November 6, 2026
Save $3,104 USD (66%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,706 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 488122780. Listed at 14 retailers as of November 5, 2026, with prices from $1,602 to $4,706, a $3,104 spread on the same certified stone. NZ Jewellers lists it at $4,706. 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
G
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle44.3°
Pavilion angle35.6°
OriginNatural
Grading LabIGI
CertificateIGI 488122780
Dimensions6.27 × 6.55 × 3.68 mm
L/W Ratio1.04
Culet sizePointed
Top View
6.27 mm6.55 mm1.00 ctG / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 488122780
Side View
Table 67.0%Crown 44.3°Girdle: THK-VTKPavilion 35.6°Culet: NoneDepth 56.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,602 USD|Low: $1,602 USD|High: $3,991 USD|Avg: $2,375 USD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$1,602 USD
Retailer 6$2,016 USD
Retailer 7$2,033 USD
Retailer 5$2,077 USD
Retailer 2$2,213 USD
Retailer 8$2,355 USD
Retailer 3$2,795 USD
Retailer 4$3,943 USD

39 data points across 8 retailers

14 retailers$1,602 USD to $4,706 USD

A
Cheapest Retailer
-
$1,602 USD
B+
Retailer 2
-
$2,016 USD
View
B+
Retailer 3
-
$2,033 USD
View
B+
Retailer 4
-
$2,077 USD
View
Final sale: no returns
B
Retailer 5
-
$2,169 USD
View
B+
Retailer 6
-
$2,213 USD
View
Retailer 7
-
$2,251 USD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$2,251 USD
View
B
Retailer 9
-
$2,355 USD
View
B
Retailer 10
-
$2,390 USD
View
B
Retailer 11
-
$2,597 USD
View
B
Retailer 12
-
$2,795 USD
View
B
Retailer 13
-
$3,943 USD
View
Most Expensive
C
NZ Jewellers
de14ab29-15b9-4166-9008-48310b5766a9 · Nov 5
$4,706 USD
View
13 more retailers have this diamond
Prices start from $1,602 USDSave up to $3,104 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.

A
1.00ct Heart
$1,602 USD