Heart|Lab Grown|IGI

1.45ct D FL Heart Lab Grown Diamond

VG • D/FL • IGI LG831698098

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831698098

Diamond specifications and retailer prices

From $853 NZD
$481 USD
As of November 1, 2026
Save $4,576 NZD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,429 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.45ct lab-grown heart diamond

This 1.45ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG831698098 or 831698098. Listed at 11 retailers as of October 31, 2026, with prices from $853 to $5,429, a $4,576 spread on the same certified stone. Brilliant Earth lists it at $5,429. 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

1.45
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831698098
Dimensions7.00 × 7.99 × 4.45 mm
L/W Ratio1.14
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
7.00 mm7.99 mm1.45 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831698098
Side View
Table 58.0%Crown 36.1°Girdle: STK-THKPavilion 36.7°Culet: NoneDepth 55.7%

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: Nov 1
Current: $5,429 NZD|Low: $853 NZD|High: $5,429 NZD|Avg: $1,924 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3$853 NZD
Retailer 4$907 NZD
Retailer 6$1,331 NZD
Retailer 10$1,395 NZD
Retailer 5$1,447 NZD
Retailer 7$1,514 NZD
Retailer 8$1,973 NZD
Retailer 9$2,472 NZD
Retailer 11$2,896 NZD
Retailer 2$3,443 NZD
Brilliant Earth$5,429 NZD

8 data points across 11 retailers

11 retailers$853 NZD to $5,429 NZD

A
Cheapest Retailer
-
$853 NZD
$481 USD
Final sale: no returns
A
Retailer 2
-
$907 NZD
£403 GBP
View
B+
Retailer 3
-
$1,331 NZD
$750 USD
View
A
Retailer 4
-
$1,395 NZD
$786 USD
View
A
Retailer 5
-
$1,447 NZD
£642 GBP
View
B+
Retailer 6
-
$1,514 NZD
ZAR 13,787 ZAR
View
B+
Retailer 7
-
$1,973 NZD
$1,112 USD
View
B
Retailer 8
-
$2,472 NZD
$1,393 USD
View
B
Retailer 9
-
$2,896 NZD
$1,632 USD
View
B
Retailer 10
-
$3,443 NZD
£1,528 GBP
View
Most Expensive
B
Brilliant Earth
22262574A · Oct 31
$5,429 NZD
$3,060 USD
View
10 more retailers have this diamond
Prices start from $853 NZDSave up to $4,576 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
1.45ct Heart
$853 NZD