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Heart|Lab Grown|IGI

1.53ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG787612682

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG787612682

Diamond specifications and retailer prices

From $726 NZD
$409 USD
As of October 30, 2026
Save $2,644 NZD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,246 NZD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.53ct lab-grown heart diamond

This 1.53ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787612682 or 787612682. Listed at 18 retailers as of October 30, 2026, with a 364% 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

1.53
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787612682
Dimensions7.19 × 8.00 × 4.61 mm
L/W Ratio1.11
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
7.19 mm8.00 mm1.53 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787612682
Side View
Table 58.0%Crown 36.6°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 57.6%

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: Oct 30
Current: $6,246 NZD|Low: $697 NZD|High: $6,246 NZD|Avg: $1,905 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 15$726 NZD
Retailer 5$813 NZD
Retailer 7$813 NZD
Retailer 6$900 NZD
Retailer 16$900 NZD
Retailer 11$1,162 NZD
Retailer 12$1,207 NZD
Retailer 2$1,468 NZD
Retailer 10$1,547 NZD
Retailer 8$1,913 NZD
Retailer 9$2,096 NZD
Retailer 14$2,097 NZD
Retailer 4$2,894 NZD
Retailer 3$3,369 NZD
Retailer 13$3,536 NZD
Brilliant Earth$6,246 NZD

42 data points across 16 retailers

18 retailers$726 NZD to $3,369 NZD

A
Cheapest Retailer
-
$726 NZD
$409 USD
A
Retailer 2
-
$813 NZD
$458 USD
View
Final sale: no returns
A
Retailer 3
-
$813 NZD
$458 USD
View
A
Retailer 4
-
$900 NZD
$507 USD
View
A
Retailer 5
-
$900 NZD
$507 USD
View
A
Retailer 6
-
$1,162 NZD
$655 USD
View
A
Retailer 7
-
$1,207 NZD
$680 USD
View
A
Retailer 8
-
$1,468 NZD
£651 GBP
View
A
Retailer 9
-
$1,547 NZD
ZAR 14,082 ZAR
View
A
Retailer 10
-
$1,913 NZD
$1,078 USD
View
B+
Retailer 11
-
$2,096 NZD
A$1,817 AUD
View
B+
Retailer 12
-
$2,097 NZD
$1,182 USD
View
B+
Retailer 13
-
$2,894 NZD
$1,631 USD
View
B+
Retailer 14
-
$2,955 NZD
$1,666 USD
View
B+
Retailer 15
-
$3,302 NZD
$1,861 USD
View
B+
Retailer 16
-
$3,369 NZD
$1,899 USD
View
Retailer 17
-
$3,536 NZD
£1,569 GBP
View
Price last confirmed 12 days ago
Most Expensive
Brilliant Earth
21385063A · Oct 8
$6,246 NZD
$3,520 USD
View
Price last confirmed 24 days ago
17 more retailers have this diamond
Prices start from $726 NZDSave up to $2,644 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
1.53ct Heart
$726 NZD