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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG758554058

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG758554058

Diamond specifications and retailer prices

From $660 SGD
$516 USD
As of November 2, 2026
Save $2,959 SGD (82%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $3,619 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.57ct lab-grown marquise diamond

This 1.57ct lab-grown marquise 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 LG758554058 or 758554058. Listed at 26 retailers as of October 31, 2026, with prices from $660 to $3,619, a $2,959 spread on the same certified stone. Brilliant Earth lists it at $3,619. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758554058
Dimensions11.59 × 6.00 × 3.87 mm
L/W Ratio1.93
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
11.59 mm6.00 mm1.57 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758554058
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $3,619 SGD|Low: $660 SGD|High: $3,900 SGD|Avg: $1,705 SGD
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 19
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Retailer 21
November 2, 2026
Retailer 19$660 SGD
Retailer 7$738 SGD
Retailer 20$818 SGD
Retailer 14$838 SGD
Retailer 13$866 SGD
Retailer 17$882 SGD
Retailer 8$1,097 SGD
Retailer 3$1,104 SGD
Retailer 15$1,268 SGD
Retailer 21$1,405 SGD
Retailer 2$1,412 SGD
Retailer 5$1,477 SGD
Retailer 18$1,906 SGD
Retailer 11$1,921 SGD
Retailer 4$2,152 SGD
Retailer 10$2,378 SGD
Retailer 6$2,663 SGD
Retailer 9$2,817 SGD
Retailer 12$3,049 SGD
Retailer 16$3,417 SGD
Brilliant Earth$3,619 SGD

24 data points across 21 retailers

26 retailers$660 SGD to $3,619 SGD

A
Cheapest Retailer
-
$660 SGD
$516 USD
Retailer 2
-
$717 SGD
$561 USD
View
Price last confirmed 25 days ago
A
Retailer 3
-
$738 SGD
$577 USD
View
Final sale: no returns
Retailer 4
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$804 SGD
$629 USD
View
Price last confirmed 34 days ago
A
Retailer 5
-
$818 SGD
$640 USD
View
Retailer 6
-
$838 SGD
$655 USD
View
Price last confirmed 17 days ago
Retailer 7
-
$838 SGD
$655 USD
View
Price last confirmed 25 days ago
A
Retailer 8
-
$866 SGD
£533 GBP
View
A
Retailer 9
-
$882 SGD
$690 USD
View
Retailer 10
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$999 SGD
HK$6,100 HKD
View
Price last confirmed 59 days ago
A
Retailer 11
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$1,097 SGD
$858 USD
View
A
Retailer 12
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$1,104 SGD
$863 USD
View
A
Retailer 13
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$1,268 SGD
£781 GBP
View
A
Retailer 14
-
$1,405 SGD
€1,046 EUR
View
A
Retailer 15
-
$1,412 SGD
ZAR 17,834 ZAR
View
A
Retailer 16
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$1,477 SGD
$1,155 USD
View
A
Retailer 17
-
$1,906 SGD
A$2,293 AUD
View
B+
Retailer 18
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$1,921 SGD
$1,502 USD
View
A
Retailer 19
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$2,152 SGD
$1,683 USD
View
Retailer 20
-
$2,340 SGD
$1,830 USD
View
Price last confirmed 32 days ago
B+
Retailer 21
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$2,378 SGD
£1,464 GBP
View
B+
Retailer 22
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$2,663 SGD
$2,082 USD
View
B+
Retailer 23
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$2,817 SGD
$2,203 USD
View
B+
Retailer 24
-
$3,049 SGD
$2,384 USD
View
B+
Retailer 25
-
$3,417 SGD
£2,104 GBP
View
Most Expensive
B
Brilliant Earth
18182307A · Oct 31
$3,619 SGD
$2,830 USD
View
25 more retailers have this diamond
Prices start from $660 SGDSave up to $2,959 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 Marquise
$660 SGD