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Radiant|Lab Grown|IGI

1.58ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG638430994

Certificate IGI LG638430994

Diamond specifications and retailer prices

From $334 USD
Save $2,276 USD (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,610 USD at Rare Carat
View at Rare Carat

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 LG638430994 or 638430994. Listed at 25 retailers, with prices from $334 to $2,610 at Rare Carat, a $2,276 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 angle40.6°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638430994
Dimensions8.08 × 5.84 × 3.87 mm
L/W Ratio1.38
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
8.08 mm5.84 mm1.58 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638430994
Side View
Table 62.0%Crown 40.6°Girdle: MediumPavilion 34.6°Culet: NoneDepth 66.3%

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: $2,610 USD|Low: $266 USD|High: $2,610 USD|Avg: $1,127 USD|+5.9%
Rare Carat
Retailer 2
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Retailer 20
October 1, 2026
Retailer 2$399 USD
Retailer 15$474 USD
Retailer 14$476 USD
Retailer 16$520 USD
Retailer 4$657 USD
Retailer 5$673 USD
Retailer 3$697 USD
Retailer 17$733 USD
Retailer 9$939 USD
Retailer 20$961 USD
Retailer 7$1,105 USD
Retailer 18$1,114 USD
Retailer 11$1,375 USD
Retailer 12$1,570 USD
Retailer 10$1,621 USD
Retailer 19$1,680 USD
Retailer 6$1,712 USD
Retailer 13$1,716 USD
Retailer 8$1,811 USD
Rare Carat$2,610 USD

41 data points across 20 retailers

25 retailers$334 USD to $2,610 USD

A
Cheapest Retailer
-
$334 USD
A
Retailer 2
-
$387 USD
View
A
Retailer 3
-
$399 USD
View
A
Retailer 4
-
$409 USD
View
A
Retailer 5
-
$474 USD
HK$3,700 HKD
View
A
Retailer 6
-
$476 USD
View
A
Retailer 7
-
$520 USD
View
A
Retailer 8
-
$657 USD
€626 EUR
View
A
Retailer 9
-
$673 USD
View
A
Retailer 10
-
$697 USD
ZAR 11,261 ZAR
View
A
Retailer 11
-
$734 USD
£578 GBP
View
A
Retailer 12
-
$939 USD
View
A
Retailer 13
-
$961 USD
A$1,479 AUD
View
A
Retailer 14
-
$1,105 USD
View
A
Retailer 15
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$1,114 USD
View
B+
Retailer 16
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$1,332 USD
View
B+
Retailer 17
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$1,375 USD
View
B+
Retailer 18
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$1,621 USD
View
B+
Retailer 19
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$1,680 USD
£1,323 GBP
View
B+
Retailer 20
-
$1,712 USD
View
B+
Retailer 21
-
$1,716 USD
A$2,640 AUD
View
B+
Retailer 22
-
$1,848 USD
View
B
Retailer 23
-
$2,535 USD
View
B
Retailer 24
-
$2,585 USD
View
Price last confirmed 72 days ago
Most Expensive
B
Rare Carat
P2047-51 · Sep 28
$2,610 USD
View
24 more retailers have this diamond
Prices start from $334 USDSave up to $2,276 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
$334 USD