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Radiant|Lab Grown|IGI

1.45ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG816613026

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

Certificate IGI LG816613026

Diamond specifications and retailer prices

From $978 NZD
$551 USD
As of November 1, 2026
Save $4,044 NZD (81%) vs most expensive(unlock to see where)
8 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 LG816613026 or 816613026. Listed at 8 retailers as of October 31, 2026, with a 414% 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 angle44.2°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816613026
Dimensions7.97 × 5.74 × 3.81 mm
L/W Ratio1.39
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
7.97 mm5.74 mm1.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816613026
Side View
Table 63.0%Crown 44.2°Girdle: MediumPavilion 35.6°Culet: NoneDepth 66.4%

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: Nov 1
Current: $5,713 NZD|Low: $545 NZD|High: $7,612 NZD|Avg: $2,476 NZD|+1.1%
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
November 1, 2026
Retailer 3$545 NZD
Retailer 6$609 NZD
Retailer 12$978 NZD
Retailer 8$985 NZD
Retailer 4$1,462 NZD
Retailer 14$1,523 NZD
Retailer 15$1,571 NZD
Retailer 11$1,806 NZD
Retailer 5$1,991 NZD
Retailer 13$2,137 NZD
Retailer 2$2,603 NZD
Retailer 7$3,106 NZD
Retailer 10$4,205 NZD
Retailer 9$5,021 NZD
Rare Carat$5,713 NZD

18 data points across 15 retailers

8 retailers$978 NZD to $5,021 NZD

A
Cheapest Retailer
-
$978 NZD
$551 USD
A
Retailer 2
-
$985 NZD
$555 USD
View
B+
Retailer 3
-
$1,806 NZD
$1,018 USD
View
B+
Retailer 4
-
$2,137 NZD
$1,204 USD
View
B+
Retailer 5
-
$2,603 NZD
£1,155 GBP
View
B
Retailer 6
-
$4,205 NZD
$2,370 USD
View
B
Retailer 7
-
$5,021 NZD
$2,830 USD
View
Most Expensive
Rare Carat
VL-123850 · Oct 21
$5,713 NZD
$3,220 USD
View
Price last confirmed 11 days ago
7 more retailers have this diamond
Prices start from $978 NZDSave up to $4,044 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
$978 NZD