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Heart|Lab Grown|IGI

1.58ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG526266743

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG526266743

Diamond specifications and retailer prices

From $412 SGD
$322 USD
As of October 30, 2026
Save $2,234 SGD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,646 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.58ct lab-grown heart diamond

This 1.58ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526266743 or 526266743. Listed at 9 retailers as of October 30, 2026, with prices from $412 to $2,646, a $2,234 spread on the same certified stone. Do Amore Diamonds lists it at $2,646. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.58
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle44°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526266743
Dimensions7.20 × 7.95 × 4.86 mm
L/W Ratio1.10
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
7.20 mm7.95 mm1.58 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526266743
Side View
Table 62.5%Crown 41.6°Girdle: MED-STKPavilion 44°Culet: NoneDepth 61.1%

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: $2,646 SGD|Low: $229 SGD|High: $2,646 SGD|Avg: $908 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 13$229 SGD
Retailer 10$412 SGD
Retailer 11$459 SGD
Retailer 8$497 SGD
Retailer 12$505 SGD
Retailer 3$569 SGD
Retailer 6$604 SGD
Retailer 9$782 SGD
Retailer 5$791 SGD
Retailer 7$1,102 SGD
Retailer 2$1,512 SGD
Retailer 4$1,737 SGD
Do Amore Diamonds$2,646 SGD

16 data points across 13 retailers

9 retailers$412 SGD to $2,646 SGD

A
Cheapest Retailer
-
$412 SGD
$322 USD
B+
Retailer 2
-
$459 SGD
$359 USD
View
A
Retailer 3
-
$497 SGD
$389 USD
View
A
Retailer 4
-
$505 SGD
$395 USD
View
A
Retailer 5
-
$604 SGD
€450 EUR
View
B+
Retailer 6
-
$782 SGD
$612 USD
View
B
Retailer 7
-
$1,102 SGD
$862 USD
View
B
Retailer 8
-
$1,512 SGD
£931 GBP
View
Most Expensive
B
Do Amore Diamonds
27-300243FD5 · Oct 31
$2,646 SGD
$2,070 USD
View
8 more retailers have this diamond
Prices start from $412 SGDSave up to $2,234 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
1.58ct Heart
$412 SGD