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Radiant|Lab Grown|IGI

1.45ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG836619997

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

Certificate IGI LG836619997

Diamond specifications and retailer prices

From $548 NZD
$309 USD
As of October 30, 2026
Save $4,792 NZD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,731 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 LG836619997 or 836619997. Listed at 19 retailers as of October 30, 2026, with a 874% 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 angle40°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619997
Dimensions7.73 × 5.70 × 3.91 mm
L/W Ratio1.36
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
7.73 mm5.70 mm1.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619997
Side View
Table 68.0%Crown 40°Girdle: MED-STKPavilion 38°Culet: NoneDepth 68.6%

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 30
Current: $5,731 NZD|Low: $548 NZD|High: $7,896 NZD|Avg: $2,095 NZD|-1.7%
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
Retailer 19
October 31, 2026
Retailer 8$548 NZD
Retailer 18$635 NZD
Retailer 10$656 NZD
Retailer 7$680 NZD
Retailer 17$680 NZD
Retailer 16$958 NZD
Retailer 19$1,107 NZD
Retailer 15$1,168 NZD
Retailer 13$1,207 NZD
Retailer 2$1,259 NZD
Retailer 4$1,916 NZD
Retailer 3$2,088 NZD
Retailer 9$2,136 NZD
Retailer 6$2,184 NZD
Retailer 5$2,268 NZD
Retailer 11$2,506 NZD
Retailer 14$2,738 NZD
Retailer 12$5,341 NZD
Rare Carat$5,731 NZD

36 data points across 19 retailers

19 retailers$548 NZD to $5,341 NZD

A
Cheapest Retailer
-
$548 NZD
$309 USD
A
Retailer 2
-
$635 NZD
$358 USD
View
A
Retailer 3
-
$656 NZD
$370 USD
View
Final sale: no returns
A
Retailer 4
-
$680 NZD
$383 USD
View
A
Retailer 5
-
$680 NZD
$383 USD
View
A
Retailer 6
-
$958 NZD
$540 USD
View
A
Retailer 7
-
$1,107 NZD
$624 USD
View
A
Retailer 8
-
$1,168 NZD
ZAR 10,634 ZAR
View
A
Retailer 9
-
$1,207 NZD
£536 GBP
View
A
Retailer 10
-
$1,259 NZD
€676 EUR
View
B+
Retailer 11
-
$1,916 NZD
$1,080 USD
View
B+
Retailer 12
-
$2,088 NZD
$1,177 USD
View
B+
Retailer 13
-
$2,136 NZD
$1,204 USD
View
B+
Retailer 14
-
$2,184 NZD
$1,231 USD
View
B+
Retailer 15
-
$2,268 NZD
$1,278 USD
View
B+
Retailer 16
-
$2,506 NZD
SGD 1,909 SGD
View
B+
Retailer 17
-
$2,738 NZD
£1,215 GBP
View
B
Retailer 18
-
$5,341 NZD
$3,010 USD
View
Most Expensive
Rare Carat
PD-241676 · Oct 21
$5,731 NZD
$3,230 USD
View
Price last confirmed 10 days ago
18 more retailers have this diamond
Prices start from $548 NZDSave up to $4,792 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
$548 NZD