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Radiant|Lab Grown|IGI

1.51ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG724545710

Certificate IGI LG724545710

Diamond specifications and retailer prices

From $341 USD
Save $4,169 USD (92%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $4,510 USD at Brilliant Earth
View at Brilliant Earth

About this 1.51ct lab-grown radiant diamond

This 1.51ct 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 LG724545710 or 724545710. Listed at 27 retailers, with prices from $341 to $4,510 at Brilliant Earth, a $4,169 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

1.51
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724545710
Dimensions8.00 × 5.79 × 3.82 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
8.00 mm5.79 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG724545710
Side View
Table 65.0%Crown 43.2°Girdle: Slightly ThickPavilion 35°Culet: NoneDepth 66.0%

Caratlytics Score

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

Price History

Last verified: Sep 30
Current: $4,510 USD|Low: $271 USD|High: $4,520 USD|Avg: $1,289 USD|-0.2%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
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Retailer 22
October 1, 2026
Retailer 5$381 USD
Retailer 17$486 USD
Retailer 16$488 USD
Retailer 18$535 USD
Retailer 4$671 USD
Retailer 7$678 USD
Retailer 3$711 USD
Retailer 19$749 USD
Retailer 11$963 USD
Retailer 22$980 USD
Retailer 9$1,023 USD
Retailer 20$1,136 USD
Retailer 10$1,395 USD
Retailer 15$1,401 USD
Retailer 6$1,419 USD
Retailer 14$1,524 USD
Retailer 12$1,643 USD
Retailer 13$1,659 USD
Retailer 2$1,713 USD
Retailer 8$1,746 USD
Retailer 21$2,615 USD
Brilliant Earth$4,510 USD

40 data points across 22 retailers

27 retailers$341 USD to $4,510 USD

A
Cheapest Retailer
-
$341 USD
A
Retailer 2
-
$381 USD
View
A
Retailer 3
-
$395 USD
View
A
Retailer 4
-
$417 USD
View
A
Retailer 5
-
$486 USD
HK$3,800 HKD
View
A
Retailer 6
-
$488 USD
View
A
Retailer 7
-
$535 USD
View
A
Retailer 8
-
$671 USD
€639 EUR
View
A
Retailer 9
-
$678 USD
View
A
Retailer 10
-
$711 USD
ZAR 11,485 ZAR
View
A
Retailer 11
-
$735 USD
£578 GBP
View
Price last confirmed 21 days ago
A
Retailer 12
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$750 USD
£591 GBP
View
A
Retailer 13
-
$963 USD
View
A
Retailer 14
-
$980 USD
A$1,508 AUD
View
A
Retailer 15
-
$1,023 USD
View
A
Retailer 16
-
$1,136 USD
View
B+
Retailer 17
-
$1,358 USD
View
B+
Retailer 18
-
$1,401 USD
View
B+
Retailer 19
-
$1,419 USD
SGD 1,917 SGD
View
B+
Retailer 20
-
$1,423 USD
View
B+
Retailer 21
-
$1,524 USD
£1,200 GBP
View
Price last confirmed 22 days ago
B+
Retailer 22
-
$1,643 USD
View
B+
Retailer 23
-
$1,659 USD
A$2,552 AUD
View
B+
Retailer 24
-
$1,713 USD
£1,349 GBP
View
B+
Retailer 25
-
$1,746 USD
View
B
Retailer 26
-
$2,615 USD
View
Most Expensive
B
Brilliant Earth
15368155A · Sep 29
$4,510 USD
View
26 more retailers have this diamond
Prices start from $341 USDSave up to $4,169 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
1.51ct Radiant
$341 USD