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Heart|Lab Grown|IGI

1.58ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG742505336

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG742505336

Diamond specifications and retailer prices

From $401 SGD
$314 USD
As of October 30, 2026
Save $3,280 SGD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,682 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG742505336 or 742505336. Listed at 13 retailers as of October 30, 2026, with prices from $401 to $3,682, a $3,280 spread on the same certified stone. Brilliant Earth lists it at $3,682. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742505336
Dimensions7.19 × 7.88 × 4.87 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
7.19 mm7.88 mm1.58 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742505336
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.8%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $3,682 SGD|Low: $371 SGD|High: $4,347 SGD|Avg: $1,511 SGD|-15.3%
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
October 30, 2026
Retailer 4$401 SGD
Retailer 7$465 SGD
Retailer 5$519 SGD
Retailer 11$646 SGD
Retailer 10$693 SGD
Retailer 2$830 SGD
Retailer 9$831 SGD
Retailer 13$1,250 SGD
Retailer 12$1,602 SGD
Retailer 8$1,795 SGD
Retailer 6$2,007 SGD
Retailer 3$2,163 SGD
Brilliant Earth$3,682 SGD

37 data points across 13 retailers

13 retailers$401 SGD to $3,682 SGD

A+
Cheapest Retailer
-
$401 SGD
$314 USD
A
Retailer 2
-
$465 SGD
$364 USD
View
A
Retailer 3
-
$519 SGD
$406 USD
View
Final sale: no returns
A
Retailer 4
-
$646 SGD
$505 USD
View
A
Retailer 5
-
$693 SGD
$542 USD
View
A
Retailer 6
-
$830 SGD
€618 EUR
View
A
Retailer 7
-
$831 SGD
$650 USD
View
A
Retailer 8
-
$1,250 SGD
$978 USD
View
B+
Retailer 9
-
$1,602 SGD
$1,253 USD
View
B+
Retailer 10
-
$1,795 SGD
$1,404 USD
View
B+
Retailer 11
-
$2,007 SGD
£1,236 GBP
View
B+
Retailer 12
-
$2,163 SGD
$1,692 USD
View
Most Expensive
B
Brilliant Earth
16536818A · Oct 30
$3,682 SGD
$2,880 USD
View
12 more retailers have this diamond
Prices start from $401 SGDSave up to $3,280 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
$401 SGD