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Heart|Lab Grown|IGI

1.25ct E VS1 Heart Lab Grown Diamond

VG • E/VS1 • IGI LG831610883

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831610883

Diamond specifications and retailer prices

From $578 AUD
$406 USD
As of October 30, 2026
Save $1,111 AUD (66%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,689 AUD at MOH London · As of October 29, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG831610883 or 831610883. Listed at 6 retailers as of October 29, 2026, with prices from $578 to $1,689, a $1,111 spread on the same certified stone. MOH London lists it at $1,689. 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
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831610883
Dimensions7.21 × 7.34 × 4.18 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.21 mm7.34 mm1.25 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831610883
Side View
Table 64.0%Crown 32.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 56.9%

Caratlytics Score

How it works →
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: $1,689 AUD|Low: $578 AUD|High: $1,699 AUD|Avg: $927 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 5$578 AUD
Retailer 4$597 AUD
Retailer 2$651 AUD
Retailer 6$816 AUD
Retailer 3$1,135 AUD
MOH London$1,689 AUD

43 data points across 6 retailers

6 retailers$578 AUD to $1,689 AUD

A
Cheapest Retailer
-
$578 AUD
$406 USD
A
Retailer 2
-
$597 AUD
£330 GBP
View
B+
Retailer 3
-
$651 AUD
$457 USD
View
B+
Retailer 4
-
$816 AUD
$573 USD
View
B
Retailer 5
-
$1,135 AUD
$798 USD
View
Most Expensive
B
MOH London
LG831610883 · Oct 29
$1,689 AUD
£934 GBP
View
5 more retailers have this diamond
Prices start from $578 AUDSave up to $1,111 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
$578 AUD