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Radiant|Lab Grown|IGI

1.58ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG743546531

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

Certificate IGI LG743546531

Diamond specifications and retailer prices

From €299 EUR
$334 USD
As of October 30, 2026
Save €2,359 EUR (89%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: €2,658 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.58ct lab-grown radiant diamond

This 1.58ct 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 LG743546531 or 743546531. Listed at 29 retailers as of October 30, 2026, with prices from €299 to €2,658, a €2,359 spread on the same certified stone. Brilliant Earth lists it at €2,658. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743546531
Dimensions8.53 × 5.73 × 3.79 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
8.53 mm5.73 mm1.58 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743546531
Side View
Table 64.0%Crown 39.4°Girdle: MediumPavilion 33.4°Culet: NoneDepth 66.1%

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: €2,658 EUR|Low: €299 EUR|High: €3,867 EUR|Avg: €1,092 EUR|-31.3%
Brilliant Earth
Retailer 2
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Retailer 22
November 2, 2026
Retailer 4€299 EUR
Retailer 21€335 EUR
Retailer 11€424 EUR
Retailer 17€465 EUR
Retailer 5€521 EUR
Retailer 16€601 EUR
Retailer 9€602 EUR
Retailer 2€639 EUR
Retailer 13€664 EUR
Retailer 10€840 EUR
Retailer 20€864 EUR
Retailer 6€989 EUR
Retailer 3€1,088 EUR
Retailer 12€1,231 EUR
Retailer 14€1,239 EUR
Retailer 8€1,401 EUR
Retailer 7€1,451 EUR
Retailer 19€1,494 EUR
Retailer 18€1,523 EUR
Retailer 15€1,654 EUR
Retailer 22€2,305 EUR
Brilliant Earth€2,658 EUR

36 data points across 22 retailers

29 retailers€299 EUR to €2,658 EUR

A
Cheapest Retailer
-
€299 EUR
$334 USD
Retailer 2
-
€318 EUR
$355 USD
View
Price last confirmed 33 days ago
A
Retailer 3
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€335 EUR
$374 USD
View
Final sale: no returns
Retailer 4
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€369 EUR
$412 USD
View
Price last confirmed 35 days ago
Retailer 5
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€371 EUR
$414 USD
View
Price last confirmed 29 days ago
Retailer 6
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€389 EUR
$435 USD
View
Price last confirmed 34 days ago
A
Retailer 7
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€424 EUR
HK$3,700 HKD
View
A
Retailer 8
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€465 EUR
$520 USD
View
A
Retailer 9
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€521 EUR
$582 USD
View
A
Retailer 10
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€601 EUR
View
A
Retailer 11
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€602 EUR
$673 USD
View
A
Retailer 12
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€639 EUR
ZAR 11,539 ZAR
View
A
Retailer 13
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€664 EUR
£584 GBP
View
A
Retailer 14
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€840 EUR
$939 USD
View
A
Retailer 15
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€864 EUR
A$1,485 AUD
View
B+
Retailer 16
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€989 EUR
$1,105 USD
View
B+
Retailer 17
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€1,088 EUR
$1,215 USD
View
Retailer 18
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€1,192 EUR
$1,332 USD
View
Price last confirmed 22 days ago
B+
Retailer 19
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€1,192 EUR
$1,332 USD
View
B+
Retailer 20
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€1,231 EUR
$1,375 USD
View
B+
Retailer 21
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€1,239 EUR
SGD 1,870 SGD
View
Retailer 22
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€1,267 EUR
$1,416 USD
View
Price last confirmed 32 days ago
B+
Retailer 23
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€1,401 EUR
$1,565 USD
View
B+
Retailer 24
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€1,451 EUR
$1,621 USD
View
B+
Retailer 25
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€1,494 EUR
£1,314 GBP
View
B+
Retailer 26
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€1,523 EUR
A$2,618 AUD
View
B
Retailer 27
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€1,654 EUR
$1,848 USD
View
B
Retailer 28
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€2,305 EUR
$2,575 USD
View
Most Expensive
B
Brilliant Earth
16656243A · Oct 31
€2,658 EUR
$2,970 USD
View
28 more retailers have this diamond
Prices start from €299 EURSave up to €2,359 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
1.58ct Radiant
€299 EUR