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Radiant|Lab Grown|IGI

1.58ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG743546531

Certificate IGI LG743546531

Diamond specifications and retailer prices

From $355 USD
Save $4,365 USD (92%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,720 USD at Brilliant Earth
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 25 retailers, with prices from $355 to $4,720 at Brilliant Earth, a $4,365 spread on the same certified stone. 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

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $4,720 USD|Low: $283 USD|High: $4,720 USD|Avg: $1,394 USD
Brilliant Earth
Retailer 2
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Retailer 21
October 1, 2026
Retailer 2$398 USD
Retailer 13$508 USD
Retailer 15$512 USD
Retailer 16$560 USD
Retailer 7$698 USD
Retailer 5$698 USD
Retailer 3$741 USD
Retailer 17$783 USD
Retailer 11$1,008 USD
Retailer 21$1,022 USD
Retailer 9$1,113 USD
Retailer 18$1,184 USD
Retailer 14$1,457 USD
Retailer 6$1,477 USD
Retailer 12$1,689 USD
Retailer 4$1,716 USD
Retailer 19$1,741 USD
Retailer 8$1,805 USD
Retailer 10$1,945 USD
Retailer 20$2,620 USD
Brilliant Earth$4,720 USD

37 data points across 21 retailers

25 retailers$355 USD to $4,720 USD

A
Cheapest Retailer
-
$355 USD
A
Retailer 2
-
$398 USD
View
A
Retailer 3
-
$412 USD
View
A
Retailer 4
-
$435 USD
View
A
Retailer 5
-
$508 USD
View
A
Retailer 6
-
$512 USD
HK$4,000 HKD
View
A
Retailer 7
-
$560 USD
View
A
Retailer 8
-
$698 USD
View
A
Retailer 9
-
$698 USD
€665 EUR
View
A
Retailer 10
-
$741 USD
ZAR 11,973 ZAR
View
A
Retailer 11
-
$783 USD
£616 GBP
View
A
Retailer 12
-
$1,008 USD
View
A
Retailer 13
-
$1,022 USD
A$1,573 AUD
View
A
Retailer 14
-
$1,113 USD
View
A
Retailer 15
-
$1,184 USD
View
B+
Retailer 16
-
$1,416 USD
View
B+
Retailer 17
-
$1,457 USD
View
B+
Retailer 18
-
$1,477 USD
SGD 1,996 SGD
View
B+
Retailer 19
-
$1,689 USD
View
B+
Retailer 20
-
$1,716 USD
A$2,640 AUD
View
B+
Retailer 21
-
$1,741 USD
£1,371 GBP
View
B+
Retailer 22
-
$1,805 USD
View
B+
Retailer 23
-
$1,985 USD
View
B
Retailer 24
-
$2,620 USD
View
Most Expensive
B
Brilliant Earth
16656243A · Sep 29
$4,720 USD
View
24 more retailers have this diamond
Prices start from $355 USDSave up to $4,365 USD

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.

A
1.58ct Radiant
$355 USD