Radiant|Lab Grown|IGI

1.30ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG715553630

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

Certificate IGI LG715553630

Diamond specifications and retailer prices

From $189 USD
As of October 27, 2026
Save $1,231 USD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,420 USD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.3ct lab-grown radiant diamond

This 1.3ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG715553630 or 715553630. Listed at 19 retailers as of October 22, 2026, with prices from $189 to $1,420, a $1,231 spread on the same certified stone. Brilliant Earth lists it at $1,420. 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

1.30
Carat
E
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715553630
Dimensions5.42 × 5.42 × 3.70 mm
L/W Ratio1.00
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
5.42 mm5.42 mm1.30 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715553630
Side View
Table 66.0%Crown 46.5°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 68.3%

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: $1,420 USD|Low: $149 USD|High: $1,520 USD|Avg: $619 USD|-6.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 14$189 USD
Retailer 3$210 USD
Retailer 15$234 USD
Retailer 5$315 USD
Retailer 9$402 USD
Retailer 2$423 USD
Retailer 11$429 USD
Retailer 4$489 USD
Retailer 10$571 USD
Retailer 13$575 USD
Retailer 12$765 USD
Retailer 6$806 USD
Retailer 8$1,100 USD
Retailer 7$1,157 USD
Brilliant Earth$1,420 USD

42 data points across 15 retailers

19 retailers$189 USD to $1,420 USD

A
Cheapest Retailer
-
$189 USD
A
Retailer 2
-
$210 USD
View
Final sale: no returns
A
Retailer 3
-
$219 USD
View
A
Retailer 4
-
$234 USD
View
A
Retailer 5
-
$234 USD
View
B+
Retailer 6
-
$315 USD
View
A
Retailer 7
-
$402 USD
ZAR 6,489 ZAR
View
A
Retailer 8
-
$423 USD
£333 GBP
View
B+
Retailer 9
-
$429 USD
€409 EUR
View
B+
Retailer 10
-
$489 USD
View
B+
Retailer 11
-
$571 USD
A$878 AUD
View
B
Retailer 12
-
$575 USD
View
B
Retailer 13
-
$752 USD
View
B
Retailer 14
-
$765 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
$793 USD
View
Price last confirmed 80 days ago
B
Retailer 16
-
$806 USD
View
B
Retailer 17
-
$1,100 USD
£866 GBP
View
B
Retailer 18
-
$1,157 USD
View
Most Expensive
B
Brilliant Earth
21313052A · Oct 22
$1,420 USD
View
18 more retailers have this diamond
Prices start from $189 USDSave up to $1,231 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
1.30ct Radiant
$189 USD