Radiant|Lab Grown|IGI

1.51ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG837616914

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG837616914

Diamond specifications and retailer prices

From $548 USD
As of October 30, 2026
Save $2,753 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,301 USD at Yadav Diamonds · As of October 30, 2026
View at Yadav Diamonds

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837616914 or 837616914. Listed at 15 retailers as of October 30, 2026, with prices from $548 to $3,301, a $2,753 spread on the same certified stone. Yadav Diamonds lists it at $3,301. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837616914
Dimensions8.09 × 5.64 × 4.01 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.09 mm5.64 mm1.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837616914
Side View
Table 69.0%Crown 38.8°Girdle: MED-STKPavilion 38°Culet: NoneDepth 71.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,100 USD|Low: $339 USD|High: $3,470 USD|Avg: $1,083 USD|-10.7%
Retailer 1
Retailer 2
Retailer 3
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Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 17
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Retailer 20
Yadav Diamonds
October 30, 2026
Retailer 11$339 USD
Retailer 4$346 USD
Retailer 17$360 USD
Retailer 5$505 USD
Retailer 18$540 USD
Retailer 16$548 USD
Retailer 19$590 USD
Retailer 6$602 USD
Retailer 8$639 USD
Retailer 15$731 USD
Retailer 20$1,009 USD
Retailer 10$1,162 USD
Retailer 12$1,206 USD
Retailer 13$1,214 USD
Retailer 9$1,402 USD
Retailer 7$1,410 USD
Retailer 14$1,423 USD
Retailer 2$1,437 USD
Retailer 3$1,445 USD
Retailer 1$3,100 USD
Yadav Diamonds$3,301 USD

12 data points across 21 retailers

15 retailers$548 USD to $3,301 USD

Retailer 1
-
$268 USD
Price last confirmed 29 days ago
Retailer 2
-
$341 USD
View
Price last confirmed 32 days ago
Retailer 3
-
$360 USD
£284 GBP
View
Price last confirmed 28 days ago
A
Retailer 4
-
$548 USD
View
Retailer 5
-
$590 USD
ZAR 9,533 ZAR
View
Price last confirmed 29 days ago
Retailer 6
-
$639 USD
View
Price last confirmed 28 days ago
A
Retailer 7
-
$731 USD
View
Retailer 8
-
$1,111 USD
View
Price last confirmed 30 days ago
Retailer 9
-
$1,162 USD
View
Price last confirmed 29 days ago
B+
Retailer 10
-
$1,206 USD
CA$1,674 CAD
View
Retailer 11
-
$1,402 USD
£1,104 GBP
View
Price last confirmed 30 days ago
B+
Retailer 12
-
$1,423 USD
View
Retailer 13
-
$1,437 USD
A$2,211 AUD
View
Price last confirmed 30 days ago
B
Retailer 14
-
$3,100 USD
View
Most Expensive
B
Yadav Diamonds
13312108 · Oct 30
$3,301 USD
View
14 more retailers have this diamond
Prices start from $548 USDSave up to $2,753 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Radiant
$548 USD