Radiant|Lab Grown|IGI

1.53ct H IF Radiant Lab Grown Diamond

ID • H/IF • IGI LG644486939

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

Certificate IGI LG644486939

Diamond specifications and retailer prices

From €231 EUR
As of November 4, 2026
Save €1,720 EUR (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €1,951 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG644486939 or 644486939. Listed at 25 retailers as of November 4, 2026, with prices from €231 to €1,951, a €1,720 spread on the same certified stone. Brilliant Earth lists it at €1,951. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
H
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644486939
Dimensions8.41 × 5.64 × 3.68 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 Faint Blue
Top View
8.41 mm5.64 mm1.53 ctH / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644486939
Side View
Table 65.0%Crown 41.8°Girdle: MED-STKPavilion 32.7°Culet: NoneDepth 65.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €1,951 EUR|Low: €231 EUR|High: €1,951 EUR|Avg: €689 EUR|+19.7%
Brilliant Earth
Retailer 2
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Retailer 23
November 5, 2026
Retailer 21€231 EUR
Retailer 6€267 EUR
Retailer 12€282 EUR
Retailer 17€286 EUR
Retailer 2€308 EUR
Retailer 10€309 EUR
Retailer 20€319 EUR
Retailer 4€385 EUR
Retailer 19€428 EUR
Retailer 8€533 EUR
Retailer 13€540 EUR
Retailer 11€543 EUR
Retailer 9€550 EUR
Retailer 7€724 EUR
Retailer 3€879 EUR
Retailer 22€919 EUR
Retailer 5€922 EUR
Retailer 23€965 EUR
Retailer 18€1,143 EUR
Retailer 16€1,181 EUR
Retailer 15€1,297 EUR
Retailer 14€1,336 EUR
Brilliant Earth€1,951 EUR

26 data points across 23 retailers

25 retailers€231 EUR to €1,951 EUR

A
Cheapest Retailer
-
€231 EUR
A
Retailer 2
-
€267 EUR
View
A
Retailer 3
-
€282 EUR
View
Final sale: no returns
A
Retailer 4
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€286 EUR
View
A
Retailer 5
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€308 EUR
View
Retailer 6
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€309 EUR
View
Price last confirmed 12 days ago
A
Retailer 7
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€319 EUR
View
B+
Retailer 8
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€385 EUR
View
A
Retailer 9
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€428 EUR
View
B+
Retailer 10
-
€533 EUR
View
A
Retailer 11
-
€540 EUR
View
A
Retailer 12
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€543 EUR
View
B+
Retailer 13
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€550 EUR
View
A
Retailer 14
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€724 EUR
View
B+
Retailer 15
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€879 EUR
View
B+
Retailer 16
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€919 EUR
View
B+
Retailer 17
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€922 EUR
View
B+
Retailer 18
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€965 EUR
View
B+
Retailer 19
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€1,143 EUR
View
Retailer 20
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€1,181 EUR
View
Price last confirmed 24 days ago
Retailer 21
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€1,297 EUR
View
Price last confirmed 23 days ago
Retailer 22
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€1,336 EUR
View
Price last confirmed 19 days ago
Retailer 23
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€1,360 EUR
View
Price last confirmed 67 days ago
B+
Retailer 24
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€1,630 EUR
View
Most Expensive
B+
Brilliant Earth
19983871A · Nov 4
€1,951 EUR
$2,190 USD
View
24 more retailers have this diamond
Prices start from €231 EURSave up to €1,720 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
1.53ct Radiant
€231 EUR