CaratHunter
Plans
Radiant|Lab Grown|IGI

1.65ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG559296256

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

Certificate IGI LG559296256

Diamond specifications and retailer prices

From $251 CAD
$179 USD
As of October 27, 2026
Save $2,157 CAD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,407 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.65ct lab-grown radiant diamond

This 1.65ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG559296256 or 559296256. Listed at 9 retailers as of October 27, 2026, with prices from $251 to $2,407, a $2,157 spread on the same certified stone. Do Amore Diamonds lists it at $2,407. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.65
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.1°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559296256
Dimensions8.41 × 5.89 × 3.95 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.41 mm5.89 mm1.65 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559296256
Side View
Table 66.5%Crown 49.1°Girdle: MediumPavilion 36°Culet: NoneDepth 67.1%

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 27
Current: $2,407 CAD|Low: $200 CAD|High: $2,463 CAD|Avg: $973 CAD|-2.3%
Do Amore Diamonds
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
October 29, 2026
Retailer 11$251 CAD
Retailer 13$287 CAD
Retailer 10$290 CAD
Retailer 9$550 CAD
Retailer 4$610 CAD
Retailer 5$763 CAD
Retailer 14$771 CAD
Retailer 6$930 CAD
Retailer 8$1,054 CAD
Retailer 3$1,091 CAD
Retailer 12$1,101 CAD
Retailer 7$1,351 CAD
Retailer 2$1,610 CAD
Do Amore Diamonds$2,407 CAD

16 data points across 14 retailers

9 retailers$251 CAD to $2,407 CAD

A
Cheapest Retailer
-
$251 CAD
$179 USD
A
Retailer 2
-
$287 CAD
$205 USD
View
Final sale: no returns
A
Retailer 3
-
$290 CAD
$207 USD
View
B+
Retailer 4
-
$550 CAD
$393 USD
View
B+
Retailer 5
-
$1,054 CAD
$753 USD
View
B+
Retailer 6
-
$1,101 CAD
$787 USD
View
B
Retailer 7
-
$1,351 CAD
$965 USD
View
Price last confirmed 10 days ago
B
Retailer 8
-
$1,610 CAD
£906 GBP
View
Most Expensive
B
Do Amore Diamonds
27-07695C7B0 · Oct 29
$2,407 CAD
$1,720 USD
View
8 more retailers have this diamond
Prices start from $251 CADSave up to $2,157 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
1.65ct Radiant
$251 CAD