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Asscher|Lab Grown|IGI

1.65ct G SI1 Asscher Lab Grown Diamond

ID • G/SI1 • IGI LG659456560

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG659456560

Diamond specifications and retailer prices

From $278 CAD
$199 USD
As of October 30, 2026
Save $1,370 CAD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,648 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.65ct lab-grown asscher diamond

This 1.65ct lab-grown asscher sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG659456560 or 659456560. Listed at 15 retailers as of October 30, 2026, with prices from $278 to $1,648, a $1,370 spread on the same certified stone. Brilliant Earth lists it at $1,648. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG659456560
Dimensions6.60 × 6.59 × 4.27 mm
L/W Ratio1.00
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
6.60 mm6.59 mm1.65 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG659456560
Side View
Table 60.0%Crown 32.1°Girdle: MediumPavilion 39°Culet: NoneDepth 64.8%

Caratlytics Score

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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: $1,648 CAD|Low: $278 CAD|High: $2,500 CAD|Avg: $857 CAD|-34.1%
Brilliant Earth
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 30, 2026
Retailer 13$278 CAD
Retailer 5$340 CAD
Retailer 6$351 CAD
Retailer 3$416 CAD
Retailer 7$529 CAD
Retailer 9$545 CAD
Retailer 2$552 CAD
Retailer 11$679 CAD
Retailer 4$1,007 CAD
Retailer 12$1,064 CAD
Retailer 10$1,285 CAD
Retailer 8$1,446 CAD
Retailer 14$1,567 CAD
Brilliant Earth$1,648 CAD

35 data points across 14 retailers

15 retailers$278 CAD to $1,648 CAD

A
Cheapest Retailer
-
$278 CAD
$199 USD
Final sale: no returns
A
Retailer 2
-
$340 CAD
HK$1,900 HKD
View
Retailer 3
-
$351 CAD
$251 USD
View
Price last confirmed 15 days ago
B+
Retailer 4
-
$416 CAD
$298 USD
View
A
Retailer 5
-
$529 CAD
€361 EUR
View
A
Retailer 6
-
$545 CAD
£307 GBP
View
A
Retailer 7
-
$552 CAD
£311 GBP
View
A
Retailer 8
-
$679 CAD
$486 USD
View
B+
Retailer 9
-
$1,007 CAD
SGD 974 SGD
View
B+
Retailer 10
-
$1,050 CAD
£592 GBP
View
B+
Retailer 11
-
$1,064 CAD
$762 USD
View
B+
Retailer 12
-
$1,285 CAD
$920 USD
View
B+
Retailer 13
-
$1,446 CAD
£815 GBP
View
B
Retailer 14
-
$1,567 CAD
$1,122 USD
View
Most Expensive
B
Brilliant Earth
18876904A · Oct 30
$1,648 CAD
$1,180 USD
View
14 more retailers have this diamond
Prices start from $278 CADSave up to $1,370 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 Asscher
$278 CAD