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Radiant|Lab Grown|IGI

1.45ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG825657802

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

Certificate IGI LG825657802

Diamond specifications and retailer prices

From $474 NZD
$267 USD
As of October 30, 2026
Save $4,548 NZD (91%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,713 NZD at Rare Carat · As of October 21, 2026
View at Rare Carat

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 LG825657802 or 825657802. Listed at 14 retailers as of October 30, 2026, with a 960% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825657802
Dimensions8.15 × 5.60 × 3.81 mm
L/W Ratio1.46
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
8.15 mm5.60 mm1.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825657802
Side View
Table 65.0%Crown 39°Girdle: MediumPavilion 36.7°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
A+
Exceptional
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: $5,713 NZD|Low: $474 NZD|High: $7,612 NZD|Avg: $2,414 NZD|-0.3%
Rare Carat
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
October 31, 2026
Retailer 13$474 NZD
Retailer 4$550 NZD
Retailer 10$610 NZD
Retailer 17$978 NZD
Retailer 2$985 NZD
Retailer 14$1,049 NZD
Retailer 6$1,523 NZD
Retailer 7$1,571 NZD
Retailer 16$1,806 NZD
Retailer 8$1,991 NZD
Retailer 18$2,087 NZD
Retailer 3$2,137 NZD
Retailer 12$2,616 NZD
Retailer 9$3,106 NZD
Retailer 15$4,205 NZD
Retailer 5$4,335 NZD
Retailer 11$5,021 NZD
Rare Carat$5,713 NZD

20 data points across 18 retailers

14 retailers$474 NZD to $5,021 NZD

A+
Cheapest Retailer
-
$474 NZD
$267 USD
A
Retailer 2
-
$550 NZD
$310 USD
View
A
Retailer 3
-
$978 NZD
$551 USD
View
A
Retailer 4
-
$985 NZD
$555 USD
View
A
Retailer 5
-
$1,049 NZD
$591 USD
View
Retailer 6
-
$1,571 NZD
ZAR 14,308 ZAR
View
Price last confirmed 50 days ago
B+
Retailer 7
-
$1,806 NZD
$1,018 USD
View
B+
Retailer 8
-
$2,087 NZD
$1,176 USD
View
B+
Retailer 9
-
$2,137 NZD
$1,204 USD
View
B+
Retailer 10
-
$2,616 NZD
£1,161 GBP
View
B
Retailer 11
-
$4,205 NZD
$2,370 USD
View
B
Retailer 12
-
$4,335 NZD
$2,443 USD
View
B
Retailer 13
-
$5,021 NZD
$2,830 USD
View
Most Expensive
Rare Carat
PE-236930 · Oct 21
$5,713 NZD
$3,220 USD
View
Price last confirmed 10 days ago
13 more retailers have this diamond
Prices start from $474 NZDSave up to $4,548 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
$474 NZD