CaratHunter
Plans
Radiant|Lab Grown|IGI

1.57ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG662441346

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

Certificate IGI LG662441346

Diamond specifications and retailer prices

From $404 CAD
$289 USD
As of October 30, 2026
Save $4,066 CAD (91%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: $4,470 CAD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1.57ct lab-grown radiant diamond

This 1.57ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG662441346 or 662441346. Listed at 32 retailers as of October 29, 2026, with prices from $404 to $4,470, a $4,066 spread on the same certified stone. Diamond Quarter lists it at $4,470. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.5°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662441346
Dimensions8.06 × 5.80 × 3.85 mm
L/W Ratio1.39
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
8.06 mm5.80 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662441346
Side View
Table 66.0%Crown 46.5°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
A
Excellent
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: $2,347 CAD|Low: $404 CAD|High: $4,735 CAD|Avg: $1,649 CAD|-0.8%
Retailer 1
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
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 4$404 CAD
Retailer 2$481 CAD
Retailer 19$712 CAD
Retailer 13$733 CAD
Retailer 5$779 CAD
Retailer 10$867 CAD
Retailer 21$895 CAD
Retailer 18$949 CAD
Retailer 16$985 CAD
Retailer 6$1,180 CAD
Retailer 11$1,245 CAD
Retailer 17$1,287 CAD
Retailer 3$1,537 CAD
Retailer 8$1,924 CAD
Retailer 14$2,001 CAD
Retailer 7$2,058 CAD
Retailer 15$2,137 CAD
Retailer 20$2,216 CAD
Retailer 1$2,347 CAD
Retailer 9$3,576 CAD
Retailer 22$3,590 CAD
Retailer 12$4,107 CAD

37 data points across 22 retailers

32 retailers$404 CAD to $4,470 CAD

A
Cheapest Retailer
-
$404 CAD
$289 USD
Retailer 2
-
$404 CAD
$289 USD
View
Price last confirmed 22 days ago
Retailer 3
-
$420 CAD
$301 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
$481 CAD
$344 USD
View
Final sale: no returns
Retailer 5
-
$488 CAD
$349 USD
View
Price last confirmed 33 days ago
Retailer 6
-
$500 CAD
$358 USD
View
Price last confirmed 27 days ago
Retailer 7
-
$514 CAD
$368 USD
View
Price last confirmed 32 days ago
A
Retailer 8
-
$712 CAD
$510 USD
View
A
Retailer 9
-
$733 CAD
HK$4,100 HKD
View
A
Retailer 10
-
$779 CAD
$558 USD
View
A
Retailer 11
-
$867 CAD
$621 USD
View
Retailer 12
-
$895 CAD
€610 EUR
View
Price last confirmed 7 days ago
A
Retailer 13
-
$949 CAD
ZAR 10,972 ZAR
View
A
Retailer 14
-
$985 CAD
£555 GBP
View
A
Retailer 15
-
$1,180 CAD
$845 USD
View
A
Retailer 16
-
$1,245 CAD
$891 USD
View
A
Retailer 17
-
$1,287 CAD
A$1,417 AUD
View
B+
Retailer 18
-
$1,537 CAD
$1,100 USD
View
Retailer 19
-
$1,775 CAD
$1,271 USD
View
Price last confirmed 20 days ago
B+
Retailer 20
-
$1,775 CAD
$1,271 USD
View
Retailer 21
-
$1,849 CAD
$1,324 USD
View
Price last confirmed 30 days ago
B+
Retailer 22
-
$1,924 CAD
$1,377 USD
View
B+
Retailer 23
-
$2,001 CAD
$1,433 USD
View
B+
Retailer 24
-
$2,058 CAD
$1,473 USD
View
B+
Retailer 25
-
$2,137 CAD
SGD 2,067 SGD
View
B+
Retailer 26
-
$2,216 CAD
£1,249 GBP
View
B+
Retailer 27
-
$2,347 CAD
A$2,585 AUD
View
B
Retailer 28
-
$3,464 CAD
$2,480 USD
View
B
Retailer 29
-
$3,576 CAD
$2,560 USD
View
B
Retailer 30
-
$3,590 CAD
$2,570 USD
View
B
Retailer 31
-
$4,107 CAD
$2,940 USD
View
Most Expensive
B
Diamond Quarter
1.57IFDLG46378CN · Oct 29
$4,470 CAD
£2,520 GBP
View
31 more retailers have this diamond
Prices start from $404 CADSave up to $4,066 CAD

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
1.57ct Radiant
$404 CAD