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Radiant|Lab Grown|IGI

1.57ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG768623613

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

Certificate IGI LG768623613

Diamond specifications and retailer prices

From $424 SGD
$332 USD
As of October 30, 2026
Save $2,880 SGD (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,305 SGD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG768623613 or 768623613. Listed at 25 retailers as of October 28, 2026, with prices from $424 to $3,305, a $2,880 spread on the same certified stone. Rare Carat lists it at $3,305. 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 angle38.5°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768623613
Dimensions8.58 × 5.77 × 3.75 mm
L/W Ratio1.49
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
8.58 mm5.77 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768623613
Side View
Table 62.0%Crown 38.5°Girdle: MediumPavilion 33.5°Culet: NoneDepth 65.0%

Caratlytics Score

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A+
Exceptional
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: $3,305 SGD|Low: $424 SGD|High: $3,362 SGD|Avg: $1,307 SGD|-1.7%
Rare Carat
Retailer 2
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Retailer 24
October 31, 2026
Retailer 6$424 SGD
Retailer 9$474 SGD
Retailer 23$492 SGD
Retailer 3$527 SGD
Retailer 10$527 SGD
Retailer 18$558 SGD
Retailer 4$573 SGD
Retailer 21$722 SGD
Retailer 2$851 SGD
Retailer 11$851 SGD
Retailer 8$858 SGD
Retailer 20$905 SGD
Retailer 13$943 SGD
Retailer 19$1,227 SGD
Retailer 5$1,396 SGD
Retailer 24$1,544 SGD
Retailer 15$1,680 SGD
Retailer 7$1,693 SGD
Retailer 17$1,748 SGD
Retailer 16$1,989 SGD
Retailer 12$2,046 SGD
Retailer 14$2,065 SGD
Retailer 22$2,112 SGD
Rare Carat$3,305 SGD

35 data points across 24 retailers

25 retailers$424 SGD to $3,305 SGD

A+
Cheapest Retailer
-
$424 SGD
$332 USD
A
Retailer 2
-
$474 SGD
$371 USD
View
Final sale: no returns
A
Retailer 3
-
$492 SGD
$385 USD
View
A
Retailer 4
-
$527 SGD
$412 USD
View
A
Retailer 5
-
$527 SGD
$412 USD
View
A
Retailer 6
-
$558 SGD
£344 GBP
View
A
Retailer 7
-
$573 SGD
HK$3,500 HKD
View
A
Retailer 8
-
$722 SGD
$565 USD
View
A
Retailer 9
-
$851 SGD
€634 EUR
View
A
Retailer 10
-
$851 SGD
$666 USD
View
A
Retailer 11
-
$858 SGD
$671 USD
View
A
Retailer 12
-
$905 SGD
ZAR 11,432 ZAR
View
A
Retailer 13
-
$943 SGD
£581 GBP
View
A
Retailer 14
-
$1,227 SGD
A$1,477 AUD
View
B+
Retailer 15
-
$1,396 SGD
$1,092 USD
View
B+
Retailer 16
-
$1,544 SGD
$1,208 USD
View
B+
Retailer 17
-
$1,680 SGD
View
B+
Retailer 18
-
$1,693 SGD
$1,324 USD
View
B+
Retailer 19
-
$1,748 SGD
$1,368 USD
View
B+
Retailer 20
-
$1,849 SGD
$1,446 USD
View
B+
Retailer 21
-
$1,989 SGD
$1,556 USD
View
B+
Retailer 22
-
$2,046 SGD
£1,260 GBP
View
B+
Retailer 23
-
$2,065 SGD
$1,615 USD
View
B+
Retailer 24
-
$2,112 SGD
£1,301 GBP
View
Most Expensive
B
Rare Carat
A5-163A · Oct 28
$3,305 SGD
$2,585 USD
View
24 more retailers have this diamond
Prices start from $424 SGDSave up to $2,880 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
$424 SGD