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Heart|Lab Grown|IGI

1.59ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG620488289

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG620488289

Diamond specifications and retailer prices

From $249 SGD
$194 USD
As of October 30, 2026
Save $1,203 SGD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,452 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.59ct lab-grown heart diamond

This 1.59ct 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 LG620488289 or 620488289. Listed at 11 retailers as of October 29, 2026, with prices from $249 to $1,452, a $1,203 spread on the same certified stone. MOH London lists it at $1,452. 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

1.59
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620488289
Dimensions8.29 × 7.40 × 4.50 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.29 mm7.40 mm1.59 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620488289
Side View
Table 60.0%Crown 32.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 54.3%

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: Oct 30
Current: $1,452 SGD|Low: $249 SGD|High: $2,115 SGD|Avg: $778 SGD
MOH London
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
October 30, 2026
Retailer 3$249 SGD
Retailer 14$288 SGD
Retailer 8$309 SGD
Retailer 12$345 SGD
Retailer 2$397 SGD
Retailer 13$537 SGD
Retailer 7$562 SGD
Retailer 11$632 SGD
Retailer 4$634 SGD
Retailer 9$643 SGD
Retailer 10$993 SGD
MOH London$1,452 SGD
Retailer 5$1,454 SGD
Retailer 6$2,115 SGD

4 data points across 14 retailers

11 retailers$249 SGD to $1,452 SGD

A
Cheapest Retailer
-
$249 SGD
$194 USD
A
Retailer 2
-
$288 SGD
$225 USD
View
A
Retailer 3
-
$309 SGD
$241 USD
View
A
Retailer 4
-
$345 SGD
HK$2,100 HKD
View
A
Retailer 5
-
$397 SGD
£244 GBP
View
B+
Retailer 6
-
$537 SGD
$419 USD
View
A
Retailer 7
-
$562 SGD
£346 GBP
View
B+
Retailer 8
-
$632 SGD
$493 USD
View
B+
Retailer 9
-
$643 SGD
$502 USD
View
B
Retailer 10
-
$993 SGD
$775 USD
View
Most Expensive
B
MOH London
LG620488289 · Oct 29
$1,452 SGD
£892 GBP
View
10 more retailers have this diamond
Prices start from $249 SGDSave up to $1,203 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
1.59ct Heart
$249 SGD