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Heart|Lab Grown|IGI

1.51ct D FL Heart Lab Grown Diamond

VG • D/FL • IGI LG825656728

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825656728

Diamond specifications and retailer prices

From $927 AUD
$651 USD
As of November 2, 2026
Save $3,611 AUD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,538 AUD at MOH London · As of October 26, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG825656728 or 825656728. Listed at 19 retailers as of October 26, 2026, with prices from $927 to $4,538, a $3,611 spread on the same certified stone. MOH London lists it at $4,538. 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

1.51
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825656728
Dimensions7.20 × 8.03 × 4.50 mm
L/W Ratio1.12
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
7.20 mm8.03 mm1.51 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825656728
Side View
Table 59.0%Crown 35.8°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 56.0%

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: $4,538 AUD|Low: $927 AUD|High: $5,558 AUD|Avg: $2,549 AUD|-18.2%
MOH London
Retailer 2
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Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 5$927 AUD
Retailer 18$1,009 AUD
Retailer 7$1,038 AUD
Retailer 15$1,076 AUD
Retailer 2$1,216 AUD
Retailer 13$1,267 AUD
Retailer 11$1,463 AUD
Retailer 9$1,529 AUD
Retailer 3$1,607 AUD
Retailer 8$1,620 AUD
Retailer 12$1,719 AUD
Retailer 17$1,976 AUD
Retailer 14$2,476 AUD
Retailer 6$2,723 AUD
Retailer 16$3,025 AUD
Retailer 4$3,472 AUD
Retailer 10$3,712 AUD
Retailer 19$3,750 AUD
MOH London$4,538 AUD

28 data points across 19 retailers

19 retailers$927 AUD to $4,538 AUD

A
Cheapest Retailer
-
$927 AUD
$651 USD
A
Retailer 2
-
$1,009 AUD
$709 USD
View
A
Retailer 3
-
$1,038 AUD
$729 USD
View
Final sale: no returns
A
Retailer 4
-
$1,076 AUD
$756 USD
View
A
Retailer 5
-
$1,216 AUD
£673 GBP
View
A
Retailer 6
-
$1,267 AUD
$890 USD
View
Retailer 7
-
$1,463 AUD
$1,028 USD
View
Price last confirmed 20 days ago
B+
Retailer 8
-
$1,529 AUD
$1,074 USD
View
B+
Retailer 9
-
$1,607 AUD
$1,129 USD
View
B+
Retailer 10
-
$1,620 AUD
$1,138 USD
View
B+
Retailer 11
-
$1,719 AUD
£951 GBP
View
B+
Retailer 12
-
$1,976 AUD
ZAR 22,429 ZAR
View
B+
Retailer 13
-
$2,476 AUD
$1,739 USD
View
B
Retailer 14
-
$2,723 AUD
$1,913 USD
View
B
Retailer 15
-
$3,025 AUD
$2,125 USD
View
B
Retailer 16
-
$3,472 AUD
$2,439 USD
View
B
Retailer 17
-
$3,712 AUD
$2,607 USD
View
B
Retailer 18
-
$3,750 AUD
$2,634 USD
View
Most Expensive
B
MOH London
LG825656728 · Oct 26
$4,538 AUD
£2,510 GBP
View
18 more retailers have this diamond
Prices start from $927 AUDSave up to $3,611 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
$927 AUD