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Radiant|Lab Grown|IGI

1.67ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG744514675

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

Certificate IGI LG744514675

Diamond specifications and retailer prices

From $358 SGD
$280 USD
As of October 30, 2026
Save $4,014 SGD (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,372 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.67ct lab-grown radiant diamond

This 1.67ct 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 LG744514675 or 744514675. Listed at 17 retailers as of October 30, 2026, with prices from $358 to $4,372, a $4,014 spread on the same certified stone. Brilliant Earth lists it at $4,372. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744514675
Dimensions8.76 × 5.91 × 3.72 mm
L/W Ratio1.48
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
8.76 mm5.91 mm1.67 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744514675
Side View
Table 65.0%Crown 39.2°Girdle: Slightly ThickPavilion 32°Culet: NoneDepth 62.9%

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: $4,372 SGD|Low: $358 SGD|High: $5,075 SGD|Avg: $1,658 SGD|-13.9%
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
October 31, 2026
Retailer 12$358 SGD
Retailer 4$415 SGD
Retailer 9$447 SGD
Retailer 13$671 SGD
Retailer 16$733 SGD
Retailer 7$735 SGD
Retailer 2$815 SGD
Retailer 11$1,143 SGD
Retailer 8$1,223 SGD
Retailer 15$1,365 SGD
Retailer 3$1,403 SGD
Retailer 17$1,576 SGD
Retailer 6$2,018 SGD
Retailer 10$2,285 SGD
Retailer 14$3,183 SGD
Retailer 5$3,695 SGD
Brilliant Earth$4,372 SGD

33 data points across 17 retailers

17 retailers$358 SGD to $4,372 SGD

A
Cheapest Retailer
-
$358 SGD
$280 USD
A
Retailer 2
-
$415 SGD
$325 USD
View
A
Retailer 3
-
$447 SGD
$350 USD
View
Final sale: no returns
A
Retailer 4
-
$671 SGD
$525 USD
View
A
Retailer 5
-
$733 SGD
$573 USD
View
A
Retailer 6
-
$735 SGD
$575 USD
View
A
Retailer 7
-
$815 SGD
€607 EUR
View
A
Retailer 8
-
$1,143 SGD
A$1,376 AUD
View
A
Retailer 9
-
$1,223 SGD
$957 USD
View
A
Retailer 10
-
$1,365 SGD
$1,068 USD
View
A
Retailer 11
-
$1,403 SGD
$1,098 USD
View
B+
Retailer 12
-
$1,576 SGD
$1,233 USD
View
Retailer 13
-
$2,018 SGD
£1,243 GBP
View
Price last confirmed 13 days ago
B+
Retailer 14
-
$2,285 SGD
A$2,750 AUD
View
B
Retailer 15
-
$3,183 SGD
$2,490 USD
View
B
Retailer 16
-
$3,695 SGD
$2,890 USD
View
Most Expensive
B
Brilliant Earth
17388439Y · Oct 31
$4,372 SGD
$3,420 USD
View
16 more retailers have this diamond
Prices start from $358 SGDSave up to $4,014 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
1.67ct Radiant
$358 SGD