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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG787651488

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787651488

Diamond specifications and retailer prices

From $830 SGD
$649 USD
As of November 2, 2026
Save $6,534 SGD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,364 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG787651488 or 787651488. Listed at 23 retailers as of November 2, 2026, with prices from $830 to $7,364, a $6,534 spread on the same certified stone. Do Amore Diamonds lists it at $7,364. 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 angle33.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787651488
Dimensions12.01 × 6.15 × 3.80 mm
L/W Ratio1.95
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
12.01 mm6.15 mm1.57 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787651488
Side View
Table 58.0%Crown 33.7°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.8%

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: $7,364 SGD|Low: $830 SGD|High: $7,670 SGD|Avg: $2,696 SGD|-4.0%
Do Amore Diamonds
Retailer 2
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Retailer 7
Retailer 8
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Retailer 22
November 2, 2026
Retailer 6$830 SGD
Retailer 21$903 SGD
Retailer 8$929 SGD
Retailer 19$963 SGD
Retailer 22$1,177 SGD
Retailer 14$1,189 SGD
Retailer 5$1,277 SGD
Retailer 7$1,325 SGD
Retailer 18$1,570 SGD
Retailer 2$1,703 SGD
Retailer 17$1,953 SGD
Retailer 11$2,458 SGD
Retailer 16$2,645 SGD
Retailer 20$2,986 SGD
Retailer 9$3,282 SGD
Retailer 4$3,293 SGD
Retailer 10$3,331 SGD
Retailer 15$3,458 SGD
Retailer 3$3,803 SGD
Retailer 12$3,836 SGD
Retailer 13$4,171 SGD
Do Amore Diamonds$7,364 SGD

38 data points across 22 retailers

23 retailers$830 SGD to $7,364 SGD

A
Cheapest Retailer
-
$830 SGD
$649 USD
A
Retailer 2
-
$903 SGD
$706 USD
View
A
Retailer 3
-
$929 SGD
$727 USD
View
Final sale: no returns
A
Retailer 4
-
$963 SGD
$753 USD
View
Retailer 5
-
$1,002 SGD
$784 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$1,177 SGD
$921 USD
View
A
Retailer 7
-
$1,189 SGD
$930 USD
View
A
Retailer 8
-
$1,277 SGD
$999 USD
View
A
Retailer 9
-
$1,325 SGD
HK$8,100 HKD
View
A
Retailer 10
-
$1,570 SGD
$1,228 USD
View
A
Retailer 11
-
$1,703 SGD
£1,049 GBP
View
A
Retailer 12
-
$1,953 SGD
ZAR 24,674 ZAR
View
B+
Retailer 13
-
$2,458 SGD
$1,923 USD
View
B+
Retailer 14
-
$2,645 SGD
A$3,183 AUD
View
B+
Retailer 15
-
$2,986 SGD
$2,336 USD
View
B+
Retailer 16
-
$3,282 SGD
$2,567 USD
View
B+
Retailer 17
-
$3,293 SGD
£2,028 GBP
View
B+
Retailer 18
-
$3,331 SGD
$2,606 USD
View
B+
Retailer 19
-
$3,458 SGD
$2,705 USD
View
B+
Retailer 20
-
$3,803 SGD
$2,975 USD
View
B
Retailer 21
-
$3,836 SGD
View
B+
Retailer 22
-
$4,171 SGD
£2,569 GBP
View
Most Expensive
B
Do Amore Diamonds
27-609A41763 · Nov 2
$7,364 SGD
$5,760 USD
View
22 more retailers have this diamond
Prices start from $830 SGDSave up to $6,534 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
$830 SGD