Radiant|Lab Grown|IGI

1.51ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG794647143

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

Certificate IGI LG794647143

Diamond specifications and retailer prices

From $201 USD
As of October 27, 2026
Save $1,709 USD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,910 USD at Brilliant Earth · As of October 29, 2026
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 E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG794647143 or 794647143. Listed at 21 retailers as of October 27, 2026, with prices from $201 to $1,910, a $1,709 spread on the same certified stone. Brilliant Earth lists it at $1,910. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
E
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794647143
Dimensions7.98 × 5.58 × 3.85 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.98 mm5.58 mm1.51 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794647143
Side View
Table 65.0%Crown 44.6°Girdle: MediumPavilion 35.3°Culet: NoneDepth 69.0%

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 27
Current: $1,910 USD|Low: $201 USD|High: $2,010 USD|Avg: $641 USD|-5.0%
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 3$201 USD
Retailer 11$224 USD
Retailer 17$233 USD
Retailer 5$249 USD
Retailer 6$249 USD
Retailer 21$292 USD
Retailer 13$427 USD
Retailer 12$431 USD
Retailer 2$456 USD
Retailer 20$462 USD
Retailer 9$503 USD
Retailer 15$580 USD
Retailer 7$580 USD
Retailer 4$799 USD
Retailer 18$802 USD
Retailer 10$853 USD
Retailer 8$1,012 USD
Retailer 19$1,025 USD
Retailer 16$1,165 USD
Retailer 14$1,195 USD
Brilliant Earth$1,910 USD

39 data points across 21 retailers

21 retailers$201 USD to $1,910 USD

A
Cheapest Retailer
-
$201 USD
A
Retailer 2
-
$224 USD
View
Final sale: no returns
A
Retailer 3
-
$233 USD
View
A
Retailer 4
-
$249 USD
View
A
Retailer 5
-
$249 USD
View
Retailer 6
-
$292 USD
£230 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$427 USD
ZAR 6,897 ZAR
View
B+
Retailer 8
-
$431 USD
View
A
Retailer 9
-
$456 USD
£359 GBP
View
Retailer 10
-
$462 USD
€440 EUR
View
Price last confirmed 7 days ago
A
Retailer 11
-
$503 USD
View
A
Retailer 12
-
$580 USD
A$892 AUD
View
B+
Retailer 13
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$580 USD
View
B+
Retailer 14
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$799 USD
View
B
Retailer 15
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$802 USD
View
B+
Retailer 16
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$853 USD
View
B
Retailer 17
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$1,012 USD
View
Retailer 18
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$1,025 USD
View
Price last confirmed 12 days ago
B
Retailer 19
-
$1,165 USD
£917 GBP
View
B
Retailer 20
-
$1,195 USD
View
Most Expensive
B
Brilliant Earth
18917719A · Oct 29
$1,910 USD
View
20 more retailers have this diamond
Prices start from $201 USDSave up to $1,709 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
$201 USD