Radiant|Lab Grown|IGI

1.51ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG826699205

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

Certificate IGI LG826699205

Diamond specifications and retailer prices

From $241 USD
As of October 30, 2026
Save $1,198 USD (83%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,439 USD at Frank Darling · As of October 31, 2026
View at Frank Darling

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826699205 or 826699205. Listed at 6 retailers as of October 30, 2026, with prices from $241 to $1,439, a $1,198 spread on the same certified stone. Frank Darling lists it at $1,439. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle56.3°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826699205
Dimensions8.14 × 5.63 × 3.82 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.14 mm5.63 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826699205
Side View
Table 65.0%Crown 56.3°Girdle: MediumPavilion 37.6°Culet: NoneDepth 67.9%

Caratlytics Score

How it works →
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: $1,439 USD|Low: $241 USD|High: $2,140 USD|Avg: $809 USD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 2$241 USD
Retailer 10$355 USD
Retailer 5$366 USD
Retailer 4$397 USD
Retailer 12$515 USD
Retailer 9$557 USD
Retailer 7$670 USD
Retailer 8$1,000 USD
Retailer 6$1,035 USD
Retailer 3$1,151 USD
Frank Darling$1,439 USD
Retailer 11$2,140 USD

18 data points across 12 retailers

6 retailers$241 USD to $1,439 USD

A
Cheapest Retailer
-
$241 USD
Final sale: no returns
B+
Retailer 2
-
$366 USD
View
Retailer 3
-
$670 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$1,000 USD
View
Price last confirmed 25 days ago
Retailer 5
-
$1,035 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Frank Darling
100193695757KD · Oct 31
$1,439 USD
View
5 more retailers have this diamond
Prices start from $241 USDSave up to $1,198 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
$241 USD