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Heart|Lab Grown|IGI

1.51ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG817689369

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817689369

Diamond specifications and retailer prices

From $680 NZD
As of November 4, 2026
Save $1,436 NZD (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,116 NZD at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817689369 or 817689369. Listed at 11 retailers as of November 4, 2026, with prices from $680 to $2,116, a $1,436 spread on the same certified stone. Diamond Exchange Canada lists it at $2,116. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817689369
Dimensions8.03 × 7.51 × 4.47 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.03 mm7.51 mm1.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817689369
Side View
Table 58.0%Crown 32.4°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 55.7%

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 4
Current: $932 NZD|Low: $680 NZD|High: $2,206 NZD|Avg: $1,343 NZD|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 5$680 NZD
Retailer 7$704 NZD
Retailer 10$861 NZD
Retailer 4$913 NZD
Retailer 1$932 NZD
Retailer 8$1,243 NZD
Retailer 2$1,713 NZD
Retailer 3$2,014 NZD
Retailer 6$2,028 NZD
Retailer 9$2,065 NZD

43 data points across 10 retailers

11 retailers$680 NZD to $2,116 NZD

B+
Cheapest Retailer
-
$680 NZD
A
Retailer 2
-
$704 NZD
View
A
Retailer 3
-
$861 NZD
View
A
Retailer 4
-
$913 NZD
View
A
Retailer 5
-
$932 NZD
View
B+
Retailer 6
-
$1,243 NZD
View
B
Retailer 7
-
$1,713 NZD
View
B
Retailer 8
-
$2,014 NZD
View
B
Retailer 9
-
$2,028 NZD
View
B
Retailer 10
-
$2,065 NZD
View
Most Expensive
B
Diamond Exchange Canada
1967020747 · Nov 5
$2,116 NZD
CA$1,652 CAD
View
10 more retailers have this diamond
Prices start from $680 NZDSave up to $1,436 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 Heart
$680 NZD