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Radiant|Lab Grown|IGI

1.51ct E VVS2 Radiant Lab Grown Diamond

ID • E/VVS2 • IGI LG754571280

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

Certificate IGI LG754571280

Diamond specifications and retailer prices

From $518 NZD
$292 USD
As of October 30, 2026
Save $3,119 NZD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,637 NZD 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG754571280 or 754571280. Listed at 20 retailers as of October 29, 2026, with prices from $518 to $3,637, a $3,119 spread on the same certified stone. Brilliant Earth lists it at $3,637. 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
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754571280
Dimensions7.79 × 5.49 × 3.89 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.79 mm5.49 mm1.51 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754571280
Side View
Table 68.0%Crown 45.2°Girdle: MED-STKPavilion 32.7°Culet: NoneDepth 70.9%

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 30
Current: $3,637 NZD|Low: $499 NZD|High: $3,815 NZD|Avg: $1,417 NZD|-4.7%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 4$518 NZD
Retailer 20$578 NZD
Retailer 8$601 NZD
Retailer 5$644 NZD
Retailer 9$644 NZD
Retailer 17$738 NZD
Retailer 15$923 NZD
Retailer 10$1,008 NZD
Retailer 7$1,056 NZD
Retailer 11$1,104 NZD
Retailer 14$1,106 NZD
Retailer 2$1,139 NZD
Retailer 13$1,496 NZD
Retailer 18$1,977 NZD
Retailer 6$2,069 NZD
Retailer 12$2,154 NZD
Retailer 19$2,475 NZD
Retailer 16$2,582 NZD
Retailer 3$2,641 NZD
Brilliant Earth$3,637 NZD

43 data points across 20 retailers

20 retailers$518 NZD to $3,637 NZD

A
Cheapest Retailer
-
$518 NZD
$292 USD
A
Retailer 2
-
$578 NZD
$326 USD
View
Final sale: no returns
A
Retailer 3
-
$601 NZD
$339 USD
View
A
Retailer 4
-
$644 NZD
$363 USD
View
A
Retailer 5
-
$644 NZD
$363 USD
View
Retailer 6
-
$738 NZD
£327 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$923 NZD
$520 USD
View
A
Retailer 8
-
$1,008 NZD
$568 USD
View
A
Retailer 9
-
$1,056 NZD
$595 USD
View
A
Retailer 10
-
$1,104 NZD
$622 USD
View
A
Retailer 11
-
$1,106 NZD
ZAR 10,066 ZAR
View
A
Retailer 12
-
$1,139 NZD
£506 GBP
View
B+
Retailer 13
-
$1,496 NZD
A$1,297 AUD
View
B
Retailer 14
-
$1,977 NZD
$1,114 USD
View
B
Retailer 15
-
$2,069 NZD
$1,166 USD
View
B
Retailer 16
-
$2,154 NZD
$1,214 USD
View
B
Retailer 17
-
$2,475 NZD
$1,395 USD
View
B
Retailer 18
-
$2,582 NZD
£1,146 GBP
View
B
Retailer 19
-
$2,641 NZD
$1,489 USD
View
Most Expensive
B
Brilliant Earth
17973714A · Oct 29
$3,637 NZD
$2,050 USD
View
19 more retailers have this diamond
Prices start from $518 NZDSave up to $3,119 NZD

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
$518 NZD