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Heart|Lab Grown|IGI

1.57ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG528207699

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG528207699

Diamond specifications and retailer prices

From $308 SGD
$241 USD
As of October 30, 2026
Save $1,386 SGD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,695 SGD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG528207699 or 528207699. Listed at 16 retailers as of October 30, 2026, with prices from $308 to $1,695, a $1,386 spread on the same certified stone. Reve Diamonds lists it at $1,695. 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

1.57
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528207699
Dimensions8.11 × 6.90 × 4.63 mm
L/W Ratio1.18
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
8.11 mm6.90 mm1.57 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528207699
Side View
Table 58.5%Crown 35°Girdle: THK-VTKPavilion 38.4°Culet: NoneDepth 57.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $491 SGD|Low: $297 SGD|High: $1,695 SGD|Avg: $769 SGD
Retailer 1
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
Reve Diamonds
October 30, 2026
Retailer 13$308 SGD
Retailer 7$345 SGD
Retailer 16$358 SGD
Retailer 3$382 SGD
Retailer 14$382 SGD
Retailer 1$491 SGD
Retailer 2$514 SGD
Retailer 8$600 SGD
Retailer 6$638 SGD
Retailer 4$706 SGD
Retailer 9$725 SGD
Retailer 11$746 SGD
Retailer 15$1,230 SGD
Retailer 12$1,234 SGD
Retailer 5$1,296 SGD
Retailer 10$1,534 SGD
Reve Diamonds$1,695 SGD

39 data points across 17 retailers

16 retailers$308 SGD to $1,695 SGD

A
Cheapest Retailer
-
$308 SGD
$241 USD
A
Retailer 2
-
$345 SGD
$270 USD
View
Final sale: no returns
A
Retailer 3
-
$358 SGD
$280 USD
View
A
Retailer 4
-
$382 SGD
$299 USD
View
A
Retailer 5
-
$382 SGD
$299 USD
View
A
Retailer 6
-
$491 SGD
£303 GBP
View
B+
Retailer 7
-
$514 SGD
$402 USD
View
B+
Retailer 8
-
$638 SGD
$499 USD
View
B+
Retailer 9
-
$706 SGD
$552 USD
View
B+
Retailer 10
-
$725 SGD
£447 GBP
View
B+
Retailer 11
-
$746 SGD
A$898 AUD
View
B
Retailer 12
-
$1,230 SGD
$962 USD
View
B
Retailer 13
-
$1,234 SGD
$965 USD
View
B
Retailer 14
-
$1,296 SGD
$1,014 USD
View
B
Retailer 15
-
$1,534 SGD
£945 GBP
View
Most Expensive
B
Reve Diamonds
F23C86C3D · Oct 30
$1,695 SGD
$1,326 USD
View
15 more retailers have this diamond
Prices start from $308 SGDSave up to $1,386 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
1.57ct Heart
$308 SGD