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Heart|Lab Grown|IGI

1.57ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG696526549

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG696526549

Diamond specifications and retailer prices

From $480 NZD
$270 USD
As of November 1, 2026
Save $4,834 NZD (91%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,314 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.57ct lab-grown heart diamond

This 1.57ct 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 LG696526549 or 696526549. Listed at 8 retailers as of November 1, 2026, with prices from $480 to $5,314, a $4,834 spread on the same certified stone. Brilliant Earth lists it at $5,314. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696526549
Dimensions6.78 × 7.87 × 4.89 mm
L/W Ratio1.16
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
6.78 mm7.87 mm1.57 ctE / IF
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG696526549
Side View
Table 59.0%Crown 36.7°Girdle: MED-THKPavilion 38.5°Culet: NoneDepth 62.1%

Caratlytics Score

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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 1
Current: $5,314 NZD|Low: $480 NZD|High: $6,594 NZD|Avg: $2,209 NZD|-19.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4$480 NZD
Retailer 7$853 NZD
Retailer 2$1,008 NZD
Retailer 5$1,715 NZD
Retailer 6$1,834 NZD
Retailer 3$2,142 NZD
Brilliant Earth$5,314 NZD

43 data points across 7 retailers

8 retailers$480 NZD to $5,314 NZD

A
Cheapest Retailer
-
$480 NZD
$270 USD
Final sale: no returns
Retailer 2
-
$853 NZD
$480 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$1,008 NZD
£447 GBP
View
A
Retailer 4
-
$1,715 NZD
SGD 1,304 SGD
View
A
Retailer 5
-
$1,834 NZD
$1,032 USD
View
B+
Retailer 6
-
$1,953 NZD
$1,099 USD
View
B+
Retailer 7
-
$2,142 NZD
£949 GBP
View
Most Expensive
B
Brilliant Earth
15002112A · Nov 2
$5,314 NZD
$2,990 USD
View
7 more retailers have this diamond
Prices start from $480 NZDSave up to $4,834 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
1.57ct Heart
$480 NZD