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Radiant|Lab Grown|IGI

1.57ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG754508772

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

Certificate IGI LG754508772

Diamond specifications and retailer prices

From $385 SGD
$301 USD
As of October 30, 2026
Save $3,374 SGD (90%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: $3,758 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG754508772 or 754508772. Listed at 33 retailers as of October 30, 2026, with prices from $385 to $3,758, a $3,374 spread on the same certified stone. Brilliant Earth lists it at $3,758. 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 angle39.3°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508772
Dimensions5.90 × 5.90 × 3.69 mm
L/W Ratio1.00
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
5.90 mm5.90 mm1.57 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508772
Side View
Table 59.0%Crown 39.3°Girdle: MED-STKPavilion 31.5°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: Oct 30
Current: $3,758 SGD|Low: $385 SGD|High: $5,778 SGD|Avg: $1,527 SGD|-35.0%
Brilliant Earth
Retailer 2
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Retailer 26
November 1, 2026
Retailer 9$385 SGD
Retailer 12$460 SGD
Retailer 19$474 SGD
Retailer 3$560 SGD
Retailer 4$678 SGD
Retailer 25$704 SGD
Retailer 10$741 SGD
Retailer 14$812 SGD
Retailer 13$855 SGD
Retailer 24$905 SGD
Retailer 2$943 SGD
Retailer 22$1,029 SGD
Retailer 11$1,083 SGD
Retailer 15$1,192 SGD
Retailer 23$1,227 SGD
Retailer 5$1,465 SGD
Retailer 18$1,800 SGD
Retailer 6$1,833 SGD
Retailer 16$1,898 SGD
Retailer 8$1,932 SGD
Retailer 17$2,022 SGD
Retailer 21$2,120 SGD
Retailer 20$2,166 SGD
Retailer 26$3,145 SGD
Retailer 7$3,413 SGD
Brilliant Earth$3,758 SGD

37 data points across 26 retailers

33 retailers$385 SGD to $3,758 SGD

A
Cheapest Retailer
-
$385 SGD
$301 USD
Retailer 2
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$385 SGD
$301 USD
View
Price last confirmed 24 days ago
Retailer 3
-
$409 SGD
$320 USD
View
Price last confirmed 32 days ago
A
Retailer 4
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$460 SGD
$360 USD
View
Final sale: no returns
Retailer 5
-
$474 SGD
$371 USD
View
Price last confirmed 34 days ago
Retailer 6
-
$477 SGD
$373 USD
View
Price last confirmed 29 days ago
Retailer 7
-
$501 SGD
$392 USD
View
Price last confirmed 33 days ago
Retailer 8
-
$560 SGD
£345 GBP
View
Price last confirmed 15 days ago
A
Retailer 9
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$678 SGD
$530 USD
View
A
Retailer 10
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$704 SGD
HK$4,300 HKD
View
A
Retailer 11
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$741 SGD
$580 USD
View
A
Retailer 12
-
$812 SGD
$635 USD
View
A
Retailer 13
-
$855 SGD
€637 EUR
View
A
Retailer 14
-
$905 SGD
ZAR 11,431 ZAR
View
A
Retailer 15
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$943 SGD
£581 GBP
View
A
Retailer 16
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$1,029 SGD
A$1,238 AUD
View
A
Retailer 17
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$1,083 SGD
$847 USD
View
A
Retailer 18
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$1,192 SGD
$933 USD
View
A
Retailer 19
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$1,227 SGD
A$1,477 AUD
View
B+
Retailer 20
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$1,465 SGD
$1,146 USD
View
Retailer 21
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$1,693 SGD
$1,324 USD
View
Price last confirmed 21 days ago
B+
Retailer 22
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$1,693 SGD
$1,324 USD
View
Retailer 23
-
$1,800 SGD
$1,408 USD
View
Price last confirmed 31 days ago
B+
Retailer 24
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$1,833 SGD
$1,434 USD
View
B+
Retailer 25
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$1,898 SGD
$1,484 USD
View
B+
Retailer 26
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$1,932 SGD
$1,511 USD
View
B+
Retailer 27
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$2,022 SGD
View
B+
Retailer 28
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$2,120 SGD
£1,306 GBP
View
B+
Retailer 29
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$2,166 SGD
A$2,607 AUD
View
B
Retailer 30
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$3,145 SGD
$2,460 USD
View
B
Retailer 31
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$3,413 SGD
$2,670 USD
View
B
Retailer 32
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$3,487 SGD
$2,728 USD
View
Most Expensive
B
Brilliant Earth
18669069Y · Oct 31
$3,758 SGD
$2,940 USD
View
32 more retailers have this diamond
Prices start from $385 SGDSave up to $3,374 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
$385 SGD