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Heart|Lab Grown|IGI

1.25ct E VS1 Heart Lab Grown Diamond

VG • E/VS1 • IGI LG831682890

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831682890

Diamond specifications and retailer prices

From $329 AUD
$231 USD
As of October 30, 2026
Save $1,404 AUD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,732 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG831682890 or 831682890. Listed at 12 retailers as of October 30, 2026, with prices from $329 to $1,732, a $1,404 spread on the same certified stone. Reve Diamonds lists it at $1,732. 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 angle32.7°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831682890
Dimensions6.33 × 7.34 × 4.71 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.33 mm7.34 mm1.25 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831682890
Side View
Table 65.0%Crown 32.7°Girdle: STK-THKPavilion 43.1°Culet: NoneDepth 64.2%

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: Oct 30
Current: $669 AUD|Low: $329 AUD|High: $1,732 AUD|Avg: $852 AUD|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
October 31, 2026
Retailer 10$329 AUD
Retailer 5$460 AUD
Retailer 11$495 AUD
Retailer 8$608 AUD
Retailer 7$629 AUD
Retailer 2$661 AUD
Retailer 1$669 AUD
Retailer 9$895 AUD
Retailer 4$945 AUD
Retailer 3$1,252 AUD
Retailer 6$1,475 AUD
Reve Diamonds$1,732 AUD

10 data points across 12 retailers

12 retailers$329 AUD to $1,732 AUD

A
Cheapest Retailer
-
$329 AUD
$231 USD
Final sale: no returns
A
Retailer 2
-
$460 AUD
£254 GBP
View
B+
Retailer 3
-
$495 AUD
$348 USD
View
B+
Retailer 4
-
$608 AUD
€407 EUR
View
B+
Retailer 5
-
$629 AUD
ZAR 7,134 ZAR
View
B+
Retailer 6
-
$661 AUD
$464 USD
View
B+
Retailer 7
-
$669 AUD
£370 GBP
View
B+
Retailer 8
-
$895 AUD
View
B+
Retailer 9
-
$945 AUD
$664 USD
View
B
Retailer 10
-
$1,252 AUD
$880 USD
View
B
Retailer 11
-
$1,475 AUD
£816 GBP
View
Most Expensive
B
Reve Diamonds
C1A59E040 · Oct 30
$1,732 AUD
$1,217 USD
View
11 more retailers have this diamond
Prices start from $329 AUDSave up to $1,404 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
$329 AUD