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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 €284 EUR
$317 USD
As of October 30, 2026
Save €2,366 EUR (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €2,649 EUR at Brilliant Earth · As of October 31, 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 €284 to €2,649, a €2,366 spread on the same certified stone. Brilliant Earth lists it at €2,649. 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
Color
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: €2,649 EUR|Low: €272 EUR|High: €2,811 EUR|Avg: €806 EUR|-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
November 1, 2026
Retailer 16€284 EUR
Retailer 4€352 EUR
Retailer 7€352 EUR
Retailer 9€362 EUR
Retailer 6€474 EUR
Retailer 14€492 EUR
Retailer 11€549 EUR
Retailer 8€576 EUR
Retailer 13€605 EUR
Retailer 10€628 EUR
Retailer 12€859 EUR
Retailer 15€867 EUR
Retailer 5€1,131 EUR
Retailer 3€1,216 EUR
Retailer 2€1,411 EUR
Brilliant Earth€2,649 EUR

40 data points across 16 retailers

23 retailers€284 EUR to €2,649 EUR

A
Cheapest Retailer
-
€284 EUR
$317 USD
A
Retailer 2
-
€317 EUR
$354 USD
View
Final sale: no returns
A
Retailer 3
-
€329 EUR
$368 USD
View
Retailer 4
-
€352 EUR
$393 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€352 EUR
$393 USD
View
A
Retailer 6
-
€362 EUR
£319 GBP
View
A
Retailer 7
-
€474 EUR
$530 USD
View
A
Retailer 8
-
€492 EUR
$550 USD
View
A
Retailer 9
-
€549 EUR
View
A
Retailer 10
-
€576 EUR
$644 USD
View
A
Retailer 11
-
€605 EUR
ZAR 10,916 ZAR
View
A
Retailer 12
-
€628 EUR
£552 GBP
View
B+
Retailer 13
-
€834 EUR
$932 USD
View
B+
Retailer 14
-
€859 EUR
A$1,476 AUD
View
B+
Retailer 15
-
€867 EUR
$969 USD
View
B+
Retailer 16
-
€949 EUR
$1,060 USD
View
B+
Retailer 17
-
€1,131 EUR
$1,264 USD
View
B+
Retailer 18
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€1,172 EUR
$1,310 USD
View
Retailer 19
-
€1,216 EUR
A$2,090 AUD
View
Price last confirmed 25 days ago
B
Retailer 20
-
€1,251 EUR
£1,101 GBP
View
B
Retailer 21
-
€1,403 EUR
$1,567 USD
View
B+
Retailer 22
-
€1,411 EUR
£1,241 GBP
View
Most Expensive
B
Brilliant Earth
9481162A · Oct 31
€2,649 EUR
$2,960 USD
View
22 more retailers have this diamond
Prices start from €284 EURSave up to €2,366 EUR

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
€284 EUR