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Heart|Lab Grown|IGI

1.25ct D VVS1 Heart Lab Grown Diamond

VG • D/VVS1 • IGI LG831697869

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831697869

Diamond specifications and retailer prices

From $306 AUD
As of November 4, 2026
Save $1,214 AUD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,521 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.25ct lab-grown heart diamond

This 1.25ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG831697869 or 831697869. Listed at 18 retailers as of November 4, 2026, with prices from $306 to $1,521, a $1,214 spread on the same certified stone. MOH London lists it at $1,521. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.25
Carat
D
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831697869
Dimensions6.78 × 7.65 × 4.14 mm
L/W Ratio1.13
Girdle conditionFaceted
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
6.78 mm7.65 mm1.25 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831697869
Side View
Table 58.0%Crown 34.2°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 54.1%

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: $1,521 AUD|Low: $306 AUD|High: $1,533 AUD|Avg: $798 AUD|-0.8%
MOH London
Retailer 2
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Retailer 4
Retailer 5
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Retailer 7
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 4$306 AUD
Retailer 7$344 AUD
Retailer 10$356 AUD
Retailer 3$381 AUD
Retailer 16$381 AUD
Retailer 12$432 AUD
Retailer 8$651 AUD
Retailer 15$656 AUD
Retailer 18$660 AUD
Retailer 2$697 AUD
Retailer 5$728 AUD
Retailer 6$881 AUD
Retailer 13$929 AUD
Retailer 14$994 AUD
Retailer 19$1,223 AUD
Retailer 9$1,234 AUD
Retailer 11$1,297 AUD
Retailer 17$1,301 AUD
MOH London$1,521 AUD

17 data points across 19 retailers

18 retailers$306 AUD to $1,521 AUD

A
Cheapest Retailer
-
$306 AUD
A
Retailer 2
-
$344 AUD
View
Final sale: no returns
A
Retailer 3
-
$356 AUD
View
Retailer 4
-
$381 AUD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$381 AUD
View
A
Retailer 6
-
$432 AUD
View
B+
Retailer 7
-
$651 AUD
View
B+
Retailer 8
-
$656 AUD
View
B+
Retailer 9
-
$697 AUD
View
B+
Retailer 10
-
$728 AUD
View
B+
Retailer 11
-
$881 AUD
View
B+
Retailer 12
-
$929 AUD
View
B+
Retailer 13
-
$994 AUD
View
B
Retailer 14
-
$1,223 AUD
View
B
Retailer 15
-
$1,234 AUD
View
B
Retailer 16
-
$1,297 AUD
View
B
Retailer 17
-
$1,301 AUD
View
Most Expensive
B
MOH London
LG831697869 · Nov 5
$1,521 AUD
£840 GBP
View
17 more retailers have this diamond
Prices start from $306 AUDSave up to $1,214 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
1.25ct Heart
$306 AUD