CaratHunter
Plans
Heart|Lab Grown|IGI

1.51ct I VS1 Heart Lab Grown Diamond

ID • I/VS1 • IGI LG659434943

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG659434943

Diamond specifications and retailer prices

From $417 AUD
As of November 2, 2026
Save $1,653 AUD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,070 AUD at MOH London · As of November 3, 2026
View at MOH London

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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG659434943 or 659434943. Listed at 17 retailers as of November 2, 2026, with prices from $417 to $2,070, a $1,653 spread on the same certified stone. MOH London lists it at $2,070. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG659434943
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.37 mm7.13 mm1.51 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG659434943
Side View
Table 68.0%Crown 33.1°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 55.4%

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 2
Current: $2,070 AUD|Low: $400 AUD|High: $2,157 AUD|Avg: $972 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 9$417 AUD
Retailer 3$483 AUD
Retailer 11$516 AUD
Retailer 12$517 AUD
Retailer 2$670 AUD
Retailer 5$680 AUD
Retailer 6$743 AUD
Retailer 13$847 AUD
Retailer 4$887 AUD
Retailer 7$890 AUD
Retailer 8$1,587 AUD
Retailer 10$2,000 AUD
MOH London$2,070 AUD

40 data points across 13 retailers

17 retailers$417 AUD to $2,070 AUD

Retailer 1
-
$400 AUD
Price last confirmed 34 days ago
A
Retailer 2
-
$417 AUD
View
Retailer 3
-
$483 AUD
View
Price last confirmed 37 days ago
Retailer 4
-
$510 AUD
View
Price last confirmed 39 days ago
A
Retailer 5
-
$516 AUD
View
Retailer 6
-
$517 AUD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$670 AUD
View
A
Retailer 8
-
$680 AUD
View
B+
Retailer 9
-
$743 AUD
View
B+
Retailer 10
-
$847 AUD
View
B+
Retailer 11
-
$887 AUD
View
B+
Retailer 12
-
$890 AUD
View
B
Retailer 13
-
$1,587 AUD
View
Retailer 14
-
$1,660 AUD
View
Price last confirmed 36 days ago
B
Retailer 15
-
$1,728 AUD
View
Retailer 16
-
$2,000 AUD
View
Price last confirmed 18 days ago
Most Expensive
B
MOH London
LG659434943 · Nov 3
$2,070 AUD
£1,141 GBP
View
16 more retailers have this diamond
Prices start from $417 AUDSave up to $1,653 AUD

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
$417 AUD