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Radiant|Lab Grown|IGI

1.67ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG732520458

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

Certificate IGI LG732520458

Diamond specifications and retailer prices

From $345 SGD
$270 USD
As of October 30, 2026
Save $4,027 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 30, 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 LG732520458 or 732520458. Listed at 17 retailers as of October 30, 2026, with prices from $345 to $4,372, a $4,027 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 angle36.7°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732520458
Dimensions8.70 × 5.84 × 3.86 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
8.70 mm5.84 mm1.67 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732520458
Side View
Table 65.0%Crown 36.7°Girdle: MediumPavilion 34.5°Culet: NoneDepth 66.1%

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: $4,372 SGD|Low: $316 SGD|High: $5,075 SGD|Avg: $1,643 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 13$345 SGD
Retailer 5$400 SGD
Retailer 9$442 SGD
Retailer 14$656 SGD
Retailer 7$710 SGD
Retailer 17$710 SGD
Retailer 2$785 SGD
Retailer 12$1,099 SGD
Retailer 8$1,220 SGD
Retailer 16$1,315 SGD
Retailer 4$1,362 SGD
Retailer 3$1,520 SGD
Retailer 11$1,904 SGD
Retailer 10$2,285 SGD
Retailer 15$3,068 SGD
Retailer 6$3,695 SGD
Brilliant Earth$4,372 SGD

37 data points across 17 retailers

17 retailers$345 SGD to $4,372 SGD

A+
Cheapest Retailer
-
$345 SGD
$270 USD
A
Retailer 2
-
$400 SGD
$313 USD
View
A
Retailer 3
-
$442 SGD
$346 USD
View
Final sale: no returns
A
Retailer 4
-
$656 SGD
$513 USD
View
A
Retailer 5
-
$710 SGD
$555 USD
View
A
Retailer 6
-
$710 SGD
$555 USD
View
A
Retailer 7
-
$785 SGD
€585 EUR
View
A
Retailer 8
-
$1,099 SGD
A$1,323 AUD
View
A
Retailer 9
-
$1,220 SGD
$954 USD
View
A
Retailer 10
-
$1,315 SGD
$1,029 USD
View
A
Retailer 11
-
$1,362 SGD
$1,065 USD
View
A
Retailer 12
-
$1,520 SGD
$1,189 USD
View
B+
Retailer 13
-
$1,904 SGD
£1,173 GBP
View
B+
Retailer 14
-
$2,285 SGD
A$2,750 AUD
View
B+
Retailer 15
-
$3,068 SGD
$2,400 USD
View
B
Retailer 16
-
$3,695 SGD
$2,890 USD
View
Most Expensive
B
Brilliant Earth
16112448Y · Oct 30
$4,372 SGD
$3,420 USD
View
16 more retailers have this diamond
Prices start from $345 SGDSave up to $4,027 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
$345 SGD