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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754507975

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754507975

Diamond specifications and retailer prices

From $857 SGD
$670 USD
As of November 2, 2026
Save $7,073 SGD (89%) vs most expensive(unlock to see where)
34 retailers carry this diamond
Most expensive: $7,929 SGD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

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 LG754507975 or 754507975. Listed at 34 retailers as of October 31, 2026, with prices from $857 to $7,929, a $7,073 spread on the same certified stone. Diamond Quarter lists it at $7,929. 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 angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507975
Dimensions12.46 × 5.86 × 3.72 mm
L/W Ratio2.13
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
12.46 mm5.86 mm1.57 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507975
Side View
Table 60.0%Crown 35.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.5%

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: Nov 2
Current: $1,240 SGD|Low: $857 SGD|High: $7,709 SGD|Avg: $2,865 SGD|-2.6%
Retailer 1
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
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Retailer 23
Retailer 24
November 2, 2026
Retailer 15$857 SGD
Retailer 4$1,082 SGD
Retailer 8$1,184 SGD
Retailer 17$1,189 SGD
Retailer 1$1,240 SGD
Retailer 2$1,307 SGD
Retailer 3$1,440 SGD
Retailer 24$1,656 SGD
Retailer 22$1,757 SGD
Retailer 12$1,761 SGD
Retailer 23$2,016 SGD
Retailer 7$2,539 SGD
Retailer 20$2,731 SGD
Retailer 14$2,799 SGD
Retailer 11$3,084 SGD
Retailer 10$3,389 SGD
Retailer 6$3,417 SGD
Retailer 16$3,458 SGD
Retailer 21$3,580 SGD
Retailer 9$3,925 SGD
Retailer 13$4,148 SGD
Retailer 18$4,307 SGD
Retailer 19$4,616 SGD
Retailer 5$7,606 SGD

32 data points across 24 retailers

34 retailers$857 SGD to $7,929 SGD

A
Cheapest Retailer
-
$857 SGD
$670 USD
Retailer 2
-
$868 SGD
$679 USD
View
Price last confirmed 25 days ago
Retailer 3
-
$868 SGD
$679 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$945 SGD
$739 USD
View
Price last confirmed 34 days ago
Retailer 5
-
$993 SGD
$777 USD
View
Price last confirmed 34 days ago
Retailer 6
-
$1,007 SGD
$788 USD
View
Price last confirmed 30 days ago
Retailer 7
-
$1,007 SGD
$788 USD
View
Price last confirmed 22 days ago
A
Retailer 8
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$1,082 SGD
$846 USD
View
Final sale: no returns
A
Retailer 9
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$1,184 SGD
$926 USD
View
A
Retailer 10
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$1,189 SGD
$930 USD
View
A
Retailer 11
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$1,240 SGD
£764 GBP
View
A
Retailer 12
-
$1,307 SGD
$1,022 USD
View
A
Retailer 13
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$1,440 SGD
HK$8,800 HKD
View
A
Retailer 14
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$1,656 SGD
$1,295 USD
View
A
Retailer 15
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$1,757 SGD
€1,309 EUR
View
A
Retailer 16
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$1,761 SGD
£1,085 GBP
View
A
Retailer 17
-
$2,016 SGD
ZAR 25,480 ZAR
View
B+
Retailer 18
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$2,539 SGD
$1,986 USD
View
B+
Retailer 19
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$2,731 SGD
A$3,287 AUD
View
Retailer 20
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$2,799 SGD
$2,190 USD
View
Price last confirmed 9 days ago
B+
Retailer 21
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$3,084 SGD
$2,412 USD
View
Retailer 22
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$3,127 SGD
$2,446 USD
View
Price last confirmed 23 days ago
Retailer 23
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$3,127 SGD
$2,446 USD
View
Price last confirmed 32 days ago
B+
Retailer 24
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$3,389 SGD
$2,651 USD
View
B+
Retailer 25
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$3,417 SGD
$2,673 USD
View
B+
Retailer 26
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$3,458 SGD
$2,705 USD
View
B+
Retailer 27
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$3,580 SGD
$2,800 USD
View
B
Retailer 28
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$3,583 SGD
$2,803 USD
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B
Retailer 29
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$3,925 SGD
$3,070 USD
View
B
Retailer 30
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$4,148 SGD
View
B+
Retailer 31
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$4,307 SGD
£2,653 GBP
View
B
Retailer 32
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$4,616 SGD
A$5,555 AUD
View
B
Retailer 33
-
$7,606 SGD
$5,950 USD
View
Most Expensive
B
Diamond Quarter
1.57IFDLG18AED4N · Oct 31
$7,929 SGD
£4,884 GBP
View
33 more retailers have this diamond
Prices start from $857 SGDSave up to $7,073 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
$857 SGD