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 $551 USD
As of October 30, 2026
Save $2,279 USD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,220 USD 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 9 retailers as of October 30, 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
Color
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: Oct 30
Current: $3,220 USD|Low: $307 USD|High: $4,290 USD|Avg: $1,402 USD|+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
October 31, 2026
Retailer 3$307 USD
Retailer 6$343 USD
Retailer 12$551 USD
Retailer 2$555 USD
Retailer 4$824 USD
Retailer 14$859 USD
Retailer 15$886 USD
Retailer 11$1,018 USD
Retailer 5$1,122 USD
Retailer 13$1,204 USD
Retailer 9$1,474 USD
Retailer 7$1,750 USD
Retailer 10$2,370 USD
Retailer 8$2,830 USD
Rare Carat$3,220 USD

17 data points across 15 retailers

9 retailers$551 USD to $2,830 USD

A
Cheapest Retailer
-
$551 USD
A
Retailer 2
-
$555 USD
View
Retailer 3
-
$886 USD
ZAR 14,308 ZAR
View
Price last confirmed 50 days ago
B+
Retailer 4
-
$1,018 USD
View
B+
Retailer 5
-
$1,204 USD
View
B+
Retailer 6
-
$1,474 USD
£1,161 GBP
View
B
Retailer 7
-
$2,370 USD
View
B
Retailer 8
-
$2,830 USD
View
Most Expensive
Rare Carat
VL-123850 · Oct 21
$3,220 USD
View
Price last confirmed 10 days ago
8 more retailers have this diamond
Prices start from $551 USDSave up to $2,279 USD

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
$551 USD