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Round|Lab Grown|IGI

1.51ct E VVS2 Round Lab Grown Diamond

ID • E/VVS2 • IGI LG780615148

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780615148

Diamond specifications and retailer prices

From $409 NZD
As of November 5, 2026
Save $1,880 NZD (82%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,722 NZD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round 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 LG780615148 or 780615148. Listed at 25 retailers as of November 5, 2026, with a 460% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780615148
Dimensions7.39 × 7.35 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.39 mm7.35 mm1.51 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780615148
Side View
Table 60.0%Crown 34.7°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,035 NZD|Low: $409 NZD|High: $2,289 NZD|Avg: $1,131 NZD|+13.5%
Retailer 1
Retailer 2
Retailer 3
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Retailer 22
November 6, 2026
Retailer 7$409 NZD
Retailer 9$455 NZD
Retailer 2$473 NZD
Retailer 13$507 NZD
Retailer 22$507 NZD
Retailer 4$680 NZD
Retailer 12$770 NZD
Retailer 8$872 NZD
Retailer 19$873 NZD
Retailer 14$889 NZD
Retailer 16$934 NZD
Retailer 3$955 NZD
Retailer 1$1,035 NZD
Retailer 15$1,073 NZD
Retailer 18$1,181 NZD
Retailer 11$1,628 NZD
Retailer 6$1,633 NZD
Retailer 10$1,720 NZD
Retailer 20$1,814 NZD
Retailer 21$1,830 NZD
Retailer 17$2,028 NZD
Retailer 5$2,289 NZD

37 data points across 22 retailers

25 retailers$409 NZD to $2,289 NZD

A
Cheapest Retailer
-
$409 NZD
A
Retailer 2
-
$455 NZD
View
Final sale: no returns
A
Retailer 3
-
$473 NZD
View
A
Retailer 4
-
$507 NZD
View
Retailer 5
-
$507 NZD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$680 NZD
View
A
Retailer 7
-
$770 NZD
View
A
Retailer 8
-
$872 NZD
View
A
Retailer 9
-
$873 NZD
View
Retailer 10
-
$889 NZD
View
Price last confirmed 15 days ago
A
Retailer 11
-
$934 NZD
View
A
Retailer 12
-
$955 NZD
View
A
Retailer 13
-
$1,035 NZD
View
B+
Retailer 14
-
$1,073 NZD
View
B+
Retailer 15
-
$1,181 NZD
View
B+
Retailer 16
-
$1,628 NZD
View
B+
Retailer 17
-
$1,633 NZD
View
B
Retailer 18
-
$1,720 NZD
View
Retailer 19
-
$1,750 NZD
View
Price last confirmed 109 days ago
B+
Retailer 20
-
$1,814 NZD
View
Retailer 21
-
$1,830 NZD
View
Price last confirmed 8 days ago
B+
Retailer 22
-
$2,028 NZD
View
B
Retailer 23
-
$2,062 NZD
View
B
Retailer 24
-
$2,289 NZD
View
Most Expensive
Queensmith
LG780615148 · Oct 27
$4,722 NZD
£2,090 GBP
View
Price last confirmed 9 days ago
24 more retailers have this diamond
Prices start from $409 NZDSave up to $1,880 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 Round
$409 NZD