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Radiant|Lab Grown|IGI

1.57ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG662441346

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG662441346

Diamond specifications and retailer prices

From $369 SGD
$289 USD
As of October 30, 2026
Save $3,721 SGD (91%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: $4,091 SGD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.57ct lab-grown radiant diamond

This 1.57ct lab-grown radiant 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 LG662441346 or 662441346. Listed at 32 retailers as of October 30, 2026, with prices from $369 to $4,091, a $3,721 spread on the same certified stone. Diamond Quarter lists it at $4,091. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.5°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662441346
Dimensions8.06 × 5.80 × 3.85 mm
L/W Ratio1.39
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
8.06 mm5.80 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662441346
Side View
Table 66.0%Crown 46.5°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $821 SGD|Low: $369 SGD|High: $4,334 SGD|Avg: $1,504 SGD|-1.6%
Retailer 1
Retailer 2
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Retailer 11
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Retailer 21
Retailer 22
October 31, 2026
Retailer 4$369 SGD
Retailer 2$440 SGD
Retailer 20$652 SGD
Retailer 13$671 SGD
Retailer 5$713 SGD
Retailer 10$794 SGD
Retailer 1$821 SGD
Retailer 19$868 SGD
Retailer 12$902 SGD
Retailer 6$1,080 SGD
Retailer 11$1,139 SGD
Retailer 18$1,177 SGD
Retailer 3$1,406 SGD
Retailer 8$1,760 SGD
Retailer 14$1,832 SGD
Retailer 7$1,883 SGD
Retailer 15$1,955 SGD
Retailer 21$2,028 SGD
Retailer 16$2,148 SGD
Retailer 9$3,273 SGD
Retailer 22$3,285 SGD
Retailer 17$3,758 SGD

38 data points across 22 retailers

32 retailers$369 SGD to $4,091 SGD

A
Cheapest Retailer
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$369 SGD
$289 USD
Retailer 2
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$369 SGD
$289 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$385 SGD
$301 USD
View
Price last confirmed 31 days ago
A
Retailer 4
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$440 SGD
$344 USD
View
Final sale: no returns
Retailer 5
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$446 SGD
$349 USD
View
Price last confirmed 34 days ago
Retailer 6
-
$458 SGD
$358 USD
View
Price last confirmed 28 days ago
Retailer 7
-
$470 SGD
$368 USD
View
Price last confirmed 33 days ago
A
Retailer 8
-
$652 SGD
$510 USD
View
A
Retailer 9
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$671 SGD
HK$4,100 HKD
View
A
Retailer 10
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$713 SGD
$558 USD
View
A
Retailer 11
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$794 SGD
$621 USD
View
A
Retailer 12
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$821 SGD
€612 EUR
View
A
Retailer 13
-
$868 SGD
ZAR 10,972 ZAR
View
A
Retailer 14
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$902 SGD
£555 GBP
View
A
Retailer 15
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$1,080 SGD
$845 USD
View
A
Retailer 16
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$1,139 SGD
$891 USD
View
A
Retailer 17
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$1,177 SGD
A$1,417 AUD
View
B+
Retailer 18
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$1,406 SGD
$1,100 USD
View
Retailer 19
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$1,625 SGD
$1,271 USD
View
Price last confirmed 21 days ago
B+
Retailer 20
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$1,625 SGD
$1,271 USD
View
Retailer 21
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$1,693 SGD
$1,324 USD
View
Price last confirmed 31 days ago
B+
Retailer 22
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$1,760 SGD
$1,377 USD
View
B+
Retailer 23
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$1,832 SGD
$1,433 USD
View
B+
Retailer 24
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$1,883 SGD
$1,473 USD
View
B+
Retailer 25
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$1,955 SGD
View
B+
Retailer 26
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$2,028 SGD
£1,249 GBP
View
B+
Retailer 27
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$2,148 SGD
A$2,585 AUD
View
B
Retailer 28
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$3,170 SGD
$2,480 USD
View
B
Retailer 29
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$3,273 SGD
$2,560 USD
View
B
Retailer 30
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$3,285 SGD
$2,570 USD
View
B
Retailer 31
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$3,758 SGD
$2,940 USD
View
Most Expensive
B
Diamond Quarter
1.57IFDLG46378CN · Oct 31
$4,091 SGD
£2,520 GBP
View
31 more retailers have this diamond
Prices start from $369 SGDSave up to $3,721 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 Radiant
$369 SGD