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Radiant|Lab Grown|IGI

1.33ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG623421833

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

Certificate IGI LG623421833

Diamond specifications and retailer prices

From $405 SGD
$317 USD
As of October 30, 2026
Save $3,379 SGD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,784 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.33ct lab-grown radiant diamond

This 1.33ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG623421833 or 623421833. Listed at 23 retailers as of October 30, 2026, with prices from $405 to $3,784, a $3,379 spread on the same certified stone. Brilliant Earth lists it at $3,784. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.1°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623421833
Dimensions7.27 × 5.55 × 3.76 mm
L/W Ratio1.31
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
7.27 mm5.55 mm1.33 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623421833
Side View
Table 65.0%Crown 48.1°Girdle: MediumPavilion 35.6°Culet: NoneDepth 67.7%

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: $3,784 SGD|Low: $389 SGD|High: $4,014 SGD|Avg: $1,179 SGD|-5.7%
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
Retailer 18
October 31, 2026
Retailer 18$405 SGD
Retailer 4$502 SGD
Retailer 7$502 SGD
Retailer 11$519 SGD
Retailer 6$678 SGD
Retailer 15$703 SGD
Retailer 16$783 SGD
Retailer 8$823 SGD
Retailer 14$864 SGD
Retailer 2$897 SGD
Retailer 9$1,191 SGD
Retailer 13$1,226 SGD
Retailer 17$1,239 SGD
Retailer 5$1,616 SGD
Retailer 3$1,737 SGD
Retailer 10$2,004 SGD
Retailer 12$2,026 SGD
Brilliant Earth$3,784 SGD

40 data points across 18 retailers

23 retailers$405 SGD to $3,784 SGD

A
Cheapest Retailer
-
$405 SGD
$317 USD
A
Retailer 2
-
$453 SGD
$354 USD
View
Final sale: no returns
A
Retailer 3
-
$470 SGD
$368 USD
View
A
Retailer 4
-
$502 SGD
$393 USD
View
A
Retailer 5
-
$502 SGD
$393 USD
View
A
Retailer 6
-
$519 SGD
£320 GBP
View
A
Retailer 7
-
$678 SGD
$530 USD
View
A
Retailer 8
-
$703 SGD
$550 USD
View
Retailer 9
-
$783 SGD
€583 EUR
View
Price last confirmed 8 days ago
A
Retailer 10
-
$823 SGD
$644 USD
View
A
Retailer 11
-
$864 SGD
ZAR 10,916 ZAR
View
A
Retailer 12
-
$897 SGD
£552 GBP
View
B+
Retailer 13
-
$1,191 SGD
$932 USD
View
B+
Retailer 14
-
$1,226 SGD
A$1,476 AUD
View
B+
Retailer 15
-
$1,239 SGD
$969 USD
View
B+
Retailer 16
-
$1,355 SGD
$1,060 USD
View
B+
Retailer 17
-
$1,616 SGD
$1,264 USD
View
B+
Retailer 18
-
$1,674 SGD
$1,310 USD
View
Retailer 19
-
$1,737 SGD
A$2,090 AUD
View
Price last confirmed 23 days ago
B
Retailer 20
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$1,787 SGD
£1,101 GBP
View
B
Retailer 21
-
$2,004 SGD
$1,567 USD
View
B+
Retailer 22
-
$2,026 SGD
£1,248 GBP
View
Most Expensive
B
Brilliant Earth
9481162A · Oct 30
$3,784 SGD
$2,960 USD
View
22 more retailers have this diamond
Prices start from $405 SGDSave up to $3,379 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
1.33ct Radiant
$405 SGD