Round|Lab Grown|IGI

1.51ct E I1 Round Lab Grown Diamond

EX • E/I1 • IGI LG468101086

Certificate IGI LG468101086

Diamond specifications and retailer prices

From $432 USD
As of October 28, 2026
Save $2,146 USD (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,578 USD at B2C Jewels · As of October 29, 2026
View at B2C Jewels

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG468101086 or 468101086. Listed at 3 retailers as of October 28, 2026, with prices from $432 to $2,578, a $2,146 spread on the same certified stone. B2C Jewels lists it at $2,578. 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
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG468101086
Dimensions7.38 × 7.42 × 4.48 mm
L/W Ratio1.01
Top View
7.38 mm7.42 mm1.51 ctE / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG468101086
Side View
Table 56.5%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: $2,578 USD|Low: $432 USD|High: $2,578 USD|Avg: $1,201 USD
B2C Jewels
Retailer 2
Retailer 3
October 29, 2026
Retailer 3$432 USD
Retailer 2$534 USD
B2C Jewels$2,578 USD

13 data points across 3 retailers

3 retailers$432 USD to $2,578 USD

B+
Cheapest Retailer
-
$432 USD
B
Retailer 2
-
$534 USD
€509 EUR
View
Most Expensive
B
B2C Jewels
19375033 · Oct 29
$2,578 USD
View
2 more retailers have this diamond
Prices start from $432 USDSave up to $2,146 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.

B+
1.51ct Round
$432 USD