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Radiant|Lab Grown|IGI

1.45ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG768629727

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG768629727

Diamond specifications and retailer prices

From $1,385 NZD
HK$6,100 HKD
As of October 31, 2026
Save $6,297 NZD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,683 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.45ct lab-grown radiant diamond

This 1.45ct lab-grown radiant 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 top-tier cut grade and certified by IGI LG768629727 or 768629727. Listed at 12 retailers as of October 29, 2026, with prices from $1,385 to $7,683, a $6,297 spread on the same certified stone. Brilliant Earth lists it at $7,683. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629727
Dimensions8.02 × 5.80 × 3.68 mm
L/W Ratio1.38
Culet sizePointed
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
8.02 mm5.80 mm1.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629727
Side View
Table 63.0%Crown 39.8°Girdle: MED-STKPavilion 33.9°Culet: NoneDepth 63.4%

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 31
Current: $7,683 NZD|Low: $1,385 NZD|High: $7,913 NZD|Avg: $3,158 NZD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3$1,385 NZD
Retailer 8$1,581 NZD
Retailer 12$1,694 NZD
Retailer 2$1,841 NZD
Retailer 5$1,855 NZD
Retailer 11$2,062 NZD
Retailer 7$2,063 NZD
Retailer 10$2,830 NZD
Retailer 4$3,559 NZD
Retailer 9$3,896 NZD
Retailer 6$5,039 NZD
Brilliant Earth$7,683 NZD

43 data points across 12 retailers

12 retailers$1,385 NZD to $7,683 NZD

A
Cheapest Retailer
-
$1,385 NZD
HK$6,100 HKD
A
Retailer 2
-
$1,581 NZD
$891 USD
View
A
Retailer 3
-
$1,694 NZD
$955 USD
View
B+
Retailer 4
-
$1,841 NZD
€988 EUR
View
B+
Retailer 5
-
$1,855 NZD
£823 GBP
View
B+
Retailer 6
-
$2,062 NZD
$1,162 USD
View
B+
Retailer 7
-
$2,063 NZD
ZAR 18,785 ZAR
View
B+
Retailer 8
-
$2,830 NZD
$1,595 USD
View
B
Retailer 9
-
$3,559 NZD
$2,006 USD
View
B
Retailer 10
-
$3,896 NZD
$2,196 USD
View
B
Retailer 11
-
$5,039 NZD
£2,236 GBP
View
Most Expensive
B
Brilliant Earth
18782442A · Oct 29
$7,683 NZD
$4,330 USD
View
11 more retailers have this diamond
Prices start from $1,385 NZDSave up to $6,297 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 Radiant
$1,385 NZD