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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG732556465

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG732556465

Diamond specifications and retailer prices

From $886 SGD
$693 USD
As of November 2, 2026
Save $3,245 SGD (79%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $4,131 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 LG732556465 or 732556465. Listed at 29 retailers as of October 31, 2026, with prices from $886 to $4,131, a $3,245 spread on the same certified stone. Brilliant Earth lists it at $4,131. 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 angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732556465
Dimensions11.97 × 6.14 × 3.84 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
11.97 mm6.14 mm1.57 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732556465
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

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: $4,131 SGD|Low: $886 SGD|High: $5,845 SGD|Avg: $2,490 SGD|-29.3%
Brilliant Earth
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
Retailer 17
Retailer 18
November 2, 2026
Retailer 8$886 SGD
Retailer 5$964 SGD
Retailer 2$1,162 SGD
Retailer 17$1,195 SGD
Retailer 16$1,253 SGD
Retailer 6$1,494 SGD
Retailer 18$1,632 SGD
Retailer 11$1,647 SGD
Retailer 15$1,890 SGD
Retailer 14$1,894 SGD
Retailer 4$2,532 SGD
Retailer 13$2,560 SGD
Retailer 10$2,890 SGD
Retailer 9$3,196 SGD
Retailer 3$3,459 SGD
Retailer 12$4,036 SGD
Brilliant Earth$4,131 SGD
Retailer 7$4,673 SGD

30 data points across 18 retailers

29 retailers$886 SGD to $4,131 SGD

A
Cheapest Retailer
-
$886 SGD
$693 USD
A
Retailer 2
-
$964 SGD
$754 USD
View
A
Retailer 3
-
$992 SGD
$776 USD
View
Final sale: no returns
A
Retailer 4
-
$1,028 SGD
$804 USD
View
Retailer 5
-
$1,028 SGD
$804 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$1,162 SGD
£715 GBP
View
A
Retailer 7
-
$1,195 SGD
HK$7,300 HKD
View
A
Retailer 8
-
$1,253 SGD
$980 USD
View
A
Retailer 9
-
$1,339 SGD
$1,047 USD
View
A
Retailer 10
-
$1,494 SGD
$1,168 USD
View
A
Retailer 11
-
$1,554 SGD
$1,215 USD
View
Retailer 12
-
$1,632 SGD
€1,215 EUR
View
Price last confirmed 8 days ago
A
Retailer 13
-
$1,647 SGD
£1,014 GBP
View
A
Retailer 14
-
$1,890 SGD
ZAR 23,869 ZAR
View
A
Retailer 15
-
$1,894 SGD
A$2,278 AUD
View
B+
Retailer 16
-
$2,532 SGD
$1,980 USD
View
B+
Retailer 17
-
$2,560 SGD
A$3,079 AUD
View
B+
Retailer 18
-
$2,890 SGD
$2,260 USD
View
Retailer 19
-
$3,150 SGD
$2,463 USD
View
Price last confirmed 55 days ago
B+
Retailer 20
-
$3,196 SGD
£1,968 GBP
View
B+
Retailer 21
-
$3,326 SGD
$2,601 USD
View
B
Retailer 22
-
$3,459 SGD
$2,705 USD
View
B+
Retailer 23
-
$3,507 SGD
$2,742 USD
View
B
Retailer 24
-
$3,538 SGD
$2,767 USD
View
B
Retailer 25
-
$3,545 SGD
$2,772 USD
View
B
Retailer 26
-
$3,638 SGD
£2,240 GBP
View
B
Retailer 27
-
$3,661 SGD
$2,863 USD
View
B
Retailer 28
-
$4,036 SGD
£2,485 GBP
View
Most Expensive
B
Brilliant Earth
15698475A · Oct 31
$4,131 SGD
$3,230 USD
View
28 more retailers have this diamond
Prices start from $886 SGDSave up to $3,245 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
$886 SGD