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Heart|Lab Grown|IGI

1.30ct G IF Heart Lab Grown Diamond

ID • G/IF • IGI LG735598626

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG735598626

Diamond specifications and retailer prices

From $413 NZD
As of November 6, 2026
Save $2,203 NZD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,734 NZD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.3ct lab-grown heart diamond

This 1.3ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735598626 or 735598626. Listed at 10 retailers as of November 2, 2026, with a 533% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735598626
Dimensions7.55 × 7.05 × 4.21 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.55 mm7.05 mm1.30 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735598626
Side View
Table 63.0%Crown 35.4°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 55.8%

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: $2,616 NZD|Low: $408 NZD|High: $3,842 NZD|Avg: $1,343 NZD|-31.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$413 NZD
Retailer 8$480 NZD
Retailer 2$566 NZD
Retailer 7$869 NZD
Retailer 10$938 NZD
Retailer 5$952 NZD
Retailer 4$1,394 NZD
Retailer 6$1,647 NZD
Retailer 3$2,047 NZD
Brilliant Earth$2,616 NZD

34 data points across 10 retailers

10 retailers$413 NZD to $2,616 NZD

A
Cheapest Retailer
-
$413 NZD
A
Retailer 2
-
$480 NZD
View
A
Retailer 3
-
$566 NZD
View
A
Retailer 4
-
$869 NZD
View
A
Retailer 5
-
$952 NZD
View
A
Retailer 6
-
$1,394 NZD
View
A
Retailer 7
-
$1,647 NZD
View
A
Retailer 8
-
$2,047 NZD
View
B+
Retailer 9
-
$2,616 NZD
View
Most Expensive
Brilliant Earth
15955295A · Oct 26
$3,734 NZD
$2,070 USD
View
Price last confirmed 11 days ago
9 more retailers have this diamond
Prices start from $413 NZDSave up to $2,203 NZD

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
1.30ct Heart
$413 NZD