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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 $1,157 NZD
$651 USD
As of November 2, 2026
Save $4,508 NZD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,665 NZD 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 $1,157 to $5,665, a $4,508 spread on the same certified stone. MOH London lists it at $5,665. 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: $5,665 NZD|Low: $1,157 NZD|High: $6,939 NZD|Avg: $3,273 NZD|-18.2%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 5$1,157 NZD
Retailer 17$1,260 NZD
Retailer 7$1,296 NZD
Retailer 15$1,344 NZD
Retailer 11$1,518 NZD
Retailer 13$1,582 NZD
Retailer 9$1,909 NZD
Retailer 3$2,007 NZD
Retailer 8$2,023 NZD
Retailer 12$2,147 NZD
Retailer 2$2,468 NZD
Retailer 14$3,091 NZD
Retailer 6$3,400 NZD
Retailer 16$3,777 NZD
Retailer 4$4,335 NZD
Retailer 10$4,634 NZD
Retailer 18$4,682 NZD
MOH London$5,665 NZD

28 data points across 18 retailers

19 retailers$1,157 NZD to $5,665 NZD

A
Cheapest Retailer
-
$1,157 NZD
$651 USD
A
Retailer 2
-
$1,260 NZD
$709 USD
View
A
Retailer 3
-
$1,296 NZD
$729 USD
View
Final sale: no returns
A
Retailer 4
-
$1,344 NZD
$756 USD
View
A
Retailer 5
-
$1,518 NZD
£673 GBP
View
A
Retailer 6
-
$1,582 NZD
$890 USD
View
Retailer 7
-
$1,827 NZD
$1,028 USD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
$1,909 NZD
$1,074 USD
View
B+
Retailer 9
-
$2,007 NZD
$1,129 USD
View
B+
Retailer 10
-
$2,023 NZD
$1,138 USD
View
B+
Retailer 11
-
$2,147 NZD
£951 GBP
View
B+
Retailer 12
-
$2,468 NZD
ZAR 22,431 ZAR
View
B+
Retailer 13
-
$3,091 NZD
$1,739 USD
View
B
Retailer 14
-
$3,400 NZD
$1,913 USD
View
B
Retailer 15
-
$3,777 NZD
$2,125 USD
View
B
Retailer 16
-
$4,335 NZD
$2,439 USD
View
B
Retailer 17
-
$4,634 NZD
$2,607 USD
View
B
Retailer 18
-
$4,682 NZD
$2,634 USD
View
Most Expensive
B
MOH London
LG825656728 · Oct 26
$5,665 NZD
£2,510 GBP
View
18 more retailers have this diamond
Prices start from $1,157 NZDSave up to $4,508 NZD

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
$1,157 NZD