Radiant|Lab Grown|IGI

1.51ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG828673172

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

Certificate IGI LG828673172

Diamond specifications and retailer prices

From $316 USD
As of October 30, 2026
Save $2,204 USD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,520 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828673172 or 828673172. Listed at 21 retailers as of October 30, 2026, with prices from $316 to $2,520, a $2,204 spread on the same certified stone. Do Amore Diamonds lists it at $2,520. 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 angle45.7°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828673172
Dimensions5.60 × 5.60 × 3.90 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.60 mm5.60 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828673172
Side View
Table 69.0%Crown 45.7°Girdle: ThickPavilion 36.2°Culet: NoneDepth 69.6%

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: $2,520 USD|Low: $280 USD|High: $3,000 USD|Avg: $1,072 USD|+13.0%
Do Amore Diamonds
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
Retailer 16
Retailer 17
October 31, 2026
Retailer 4$316 USD
Retailer 16$410 USD
Retailer 11$455 USD
Retailer 17$510 USD
Retailer 15$667 USD
Retailer 2$691 USD
Retailer 14$905 USD
Retailer 13$1,001 USD
Retailer 9$1,040 USD
Retailer 6$1,352 USD
Retailer 7$1,354 USD
Retailer 10$1,398 USD
Retailer 3$1,410 USD
Retailer 8$1,441 USD
Retailer 5$1,553 USD
Retailer 12$1,563 USD
Do Amore Diamonds$2,520 USD

27 data points across 17 retailers

21 retailers$316 USD to $2,520 USD

A
Cheapest Retailer
-
$316 USD
Final sale: no returns
Retailer 2
-
$324 USD
View
Price last confirmed 29 days ago
A
Retailer 3
-
$410 USD
View
Retailer 4
-
$413 USD
View
Price last confirmed 32 days ago
A
Retailer 5
-
$455 USD
£358 GBP
View
A
Retailer 6
-
$510 USD
View
B+
Retailer 7
-
$667 USD
ZAR 10,772 ZAR
View
B+
Retailer 8
-
$691 USD
£544 GBP
View
B+
Retailer 9
-
$905 USD
A$1,392 AUD
View
B+
Retailer 10
-
$1,001 USD
A$1,540 AUD
View
Retailer 11
-
$1,040 USD
View
Price last confirmed 26 days ago
B
Retailer 12
-
$1,352 USD
View
Retailer 13
-
$1,354 USD
View
Price last confirmed 17 days ago
B
Retailer 14
-
$1,381 USD
CA$1,918 CAD
View
B
Retailer 15
-
$1,398 USD
View
B
Retailer 16
-
$1,410 USD
View
B
Retailer 17
-
$1,441 USD
View
Retailer 18
-
$1,485 USD
View
Price last confirmed 30 days ago
B
Retailer 19
-
$1,553 USD
SGD 2,098 SGD
View
B
Retailer 20
-
$1,563 USD
£1,231 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E270D61E6 · Oct 31
$2,520 USD
View
20 more retailers have this diamond
Prices start from $316 USDSave up to $2,204 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
$316 USD