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Radiant|Lab Grown|IGI

1.60ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG620474192

Certificate IGI LG620474192

Diamond specifications and retailer prices

From $310 USD
Save $3,490 USD (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,800 USD at Brilliant Earth
View at Brilliant Earth

About this 1.6ct lab-grown radiant diamond

This 1.6ct 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 LG620474192 or 620474192. Listed at 21 retailers, with prices from $310 to $3,800 at Brilliant Earth, a $3,490 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

1.60
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620474192
Dimensions8.32 × 5.97 × 3.90 mm
L/W Ratio1.39
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
8.32 mm5.97 mm1.60 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620474192
Side View
Table 64.0%Crown 43.7°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 65.3%

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: $3,800 USD|Low: $246 USD|High: $3,850 USD|Avg: $1,222 USD|-1.3%
Brilliant Earth
Retailer 2
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Retailer 4
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Retailer 7
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Retailer 12
Retailer 13
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Retailer 19
Retailer 20
October 1, 2026
Retailer 15$310 USD
Retailer 9$346 USD
Retailer 3$359 USD
Retailer 6$379 USD
Retailer 5$384 USD
Retailer 16$540 USD
Retailer 14$626 USD
Retailer 12$681 USD
Retailer 4$714 USD
Retailer 7$721 USD
Retailer 17$752 USD
Retailer 10$878 USD
Retailer 20$984 USD
Retailer 18$1,078 USD
Retailer 13$1,363 USD
Retailer 2$1,477 USD
Retailer 8$1,523 USD
Retailer 19$1,720 USD
Retailer 11$2,750 USD
Brilliant Earth$3,800 USD

37 data points across 20 retailers

21 retailers$310 USD to $3,800 USD

A
Cheapest Retailer
-
$310 USD
A
Retailer 2
-
$346 USD
View
A
Retailer 3
-
$359 USD
View
A
Retailer 4
-
$379 USD
View
A
Retailer 5
-
$384 USD
View
A
Retailer 6
-
$540 USD
View
A
Retailer 7
-
$626 USD
View
A
Retailer 8
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$681 USD
€649 EUR
View
Price last confirmed 47 days ago
A
Retailer 9
-
$714 USD
ZAR 11,529 ZAR
View
A
Retailer 10
-
$721 USD
View
A
Retailer 11
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$753 USD
£593 GBP
View
A
Retailer 12
-
$878 USD
View
A
Retailer 13
-
$984 USD
A$1,514 AUD
View
A
Retailer 14
-
$1,078 USD
View
B+
Retailer 15
-
$1,363 USD
View
B+
Retailer 16
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$1,477 USD
View
B+
Retailer 17
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$1,523 USD
View
B+
Retailer 18
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$1,720 USD
£1,354 GBP
View
B
Retailer 19
-
$2,750 USD
View
B
Retailer 20
-
$3,350 USD
View
Most Expensive
B
Brilliant Earth
13715388Y · Oct 1
$3,800 USD
View
20 more retailers have this diamond
Prices start from $310 USDSave up to $3,490 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
1.60ct Radiant
$310 USD