Radiant|Lab Grown|IGI

1.58ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG668432793

Certificate IGI LG668432793

Diamond specifications and retailer prices

From $334 USD
Save $3,986 USD (92%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $4,320 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 LG668432793 or 668432793. Listed at 27 retailers, with prices from $334 to $4,320 at Brilliant Earth, a $3,986 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 angle43.9°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668432793
Dimensions8.16 × 5.90 × 3.88 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
8.16 mm5.90 mm1.58 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668432793
Side View
Table 64.0%Crown 43.9°Girdle: MediumPavilion 34.2°Culet: NoneDepth 65.8%

Caratlytics Score

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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: $4,320 USD|Low: $266 USD|High: $4,320 USD|Avg: $1,249 USD
Brilliant Earth
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October 1, 2026
Retailer 21$334 USD
Retailer 6$387 USD
Retailer 20$399 USD
Retailer 9$409 USD
Retailer 22$474 USD
Retailer 13$476 USD
Retailer 23$520 USD
Retailer 8$657 USD
Retailer 11$673 USD
Retailer 7$697 USD
Retailer 24$733 USD
Retailer 16$939 USD
Retailer 5$961 USD
Retailer 14$1,105 USD
Retailer 25$1,114 USD
Retailer 19$1,332 USD
Retailer 18$1,375 USD
Retailer 10$1,384 USD
Retailer 17$1,621 USD
Retailer 3$1,680 USD
Retailer 12$1,712 USD
Retailer 2$1,716 USD
Retailer 15$1,811 USD
Retailer 4$2,610 USD
Brilliant Earth$4,320 USD

41 data points across 25 retailers

27 retailers$334 USD to $4,320 USD

A
Cheapest Retailer
-
$334 USD
A
Retailer 2
-
$387 USD
View
A
Retailer 3
-
$399 USD
View
A
Retailer 4
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$409 USD
View
A
Retailer 5
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$474 USD
HK$3,700 HKD
View
A
Retailer 6
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$476 USD
View
A
Retailer 7
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$520 USD
View
A
Retailer 8
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$657 USD
€626 EUR
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A
Retailer 9
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$673 USD
View
A
Retailer 10
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$697 USD
ZAR 11,261 ZAR
View
A
Retailer 11
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$719 USD
£566 GBP
View
Price last confirmed 21 days ago
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Retailer 12
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$734 USD
£578 GBP
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A
Retailer 13
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$939 USD
View
A
Retailer 14
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$961 USD
A$1,479 AUD
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A
Retailer 15
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$1,105 USD
View
A
Retailer 16
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$1,114 USD
View
B+
Retailer 17
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$1,332 USD
View
B+
Retailer 18
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$1,375 USD
View
B+
Retailer 19
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$1,384 USD
SGD 1,870 SGD
View
B+
Retailer 20
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$1,621 USD
View
B+
Retailer 21
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$1,680 USD
£1,323 GBP
View
B+
Retailer 22
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$1,712 USD
View
B+
Retailer 23
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$1,716 USD
A$2,640 AUD
View
B+
Retailer 24
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$1,848 USD
View
B
Retailer 25
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$2,535 USD
View
B
Retailer 26
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$2,610 USD
View
Most Expensive
B
Brilliant Earth
13182539A · Sep 29
$4,320 USD
View
26 more retailers have this diamond
Prices start from $334 USDSave up to $3,986 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