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Radiant|Lab Grown|IGI

1.63ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG739567284

Certificate IGI LG739567284

Diamond specifications and retailer prices

From $382 USD
Save $3,748 USD (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,130 USD at Brilliant Earth
View at Brilliant Earth

About this 1.63ct lab-grown radiant diamond

This 1.63ct 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 LG739567284 or 739567284. Listed at 23 retailers, with prices from $382 to $4,130 at Brilliant Earth, a $3,748 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

1.63
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739567284
Dimensions8.56 × 5.84 × 3.77 mm
L/W Ratio1.47
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
8.56 mm5.84 mm1.63 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739567284
Side View
Table 68.0%Crown 41.9°Girdle: MED-STKPavilion 32.8°Culet: NoneDepth 64.6%

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: $4,130 USD|Low: $304 USD|High: $4,170 USD|Avg: $1,574 USD|-1.0%
Brilliant Earth
Retailer 2
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Retailer 21
October 1, 2026
Retailer 5$427 USD
Retailer 17$474 USD
Retailer 2$630 USD
Retailer 20$715 USD
Retailer 4$798 USD
Retailer 13$855 USD
Retailer 18$880 USD
Retailer 8$925 USD
Retailer 21$1,110 USD
Retailer 6$1,148 USD
Retailer 16$1,221 USD
Retailer 12$1,222 USD
Retailer 3$1,524 USD
Retailer 10$1,766 USD
Retailer 19$1,827 USD
Retailer 14$1,833 USD
Retailer 9$1,940 USD
Retailer 15$1,944 USD
Retailer 7$2,924 USD
Retailer 11$3,390 USD
Brilliant Earth$4,130 USD

32 data points across 21 retailers

23 retailers$382 USD to $4,130 USD

A
Cheapest Retailer
-
$382 USD
A
Retailer 2
-
$427 USD
View
A
Retailer 3
-
$428 USD
View
A
Retailer 4
-
$468 USD
View
A
Retailer 5
-
$474 USD
View
A
Retailer 6
-
$630 USD
View
A
Retailer 7
-
$715 USD
View
A
Retailer 8
-
$798 USD
View
A
Retailer 9
-
$857 USD
£675 GBP
View
A
Retailer 10
-
$880 USD
ZAR 14,216 ZAR
View
A
Retailer 11
-
$925 USD
View
A
Retailer 12
-
$1,110 USD
View
A
Retailer 13
-
$1,148 USD
View
B+
Retailer 14
-
$1,221 USD
A$1,879 AUD
View
B+
Retailer 15
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$1,222 USD
View
B+
Retailer 16
-
$1,524 USD
£1,200 GBP
View
B+
Retailer 17
-
$1,766 USD
View
B+
Retailer 18
-
$1,827 USD
View
B+
Retailer 19
-
$1,833 USD
View
B+
Retailer 20
-
$1,940 USD
View
B+
Retailer 21
-
$1,944 USD
£1,531 GBP
View
B
Retailer 22
-
$3,390 USD
View
Most Expensive
B
Brilliant Earth
18396284Y · Oct 1
$4,130 USD
View
22 more retailers have this diamond
Prices start from $382 USDSave up to $3,748 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
1.63ct Radiant
$382 USD