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Asscher|Lab Grown|IGI

1.00ct G SI1 Asscher Lab Grown Diamond

ID • G/SI1 • IGI LG665409323

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG665409323

Diamond specifications and retailer prices

From $328 CAD
$235 USD
As of October 26, 2026
Save $1,384 CAD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,712 CAD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1ct lab-grown asscher diamond

This 1ct lab-grown asscher sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG665409323 or 665409323. Listed at 14 retailers as of October 26, 2026, with prices from $328 to $1,712, a $1,384 spread on the same certified stone. Reve Diamonds lists it at $1,712. 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

1.00
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665409323
Dimensions5.51 × 5.37 × 3.73 mm
L/W Ratio1.03
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 Faint Blue
Top View
5.51 mm5.37 mm1.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665409323
Side View
Table 66.0%Crown 38.6°Girdle: MED-STKPavilion 42.4°Culet: NoneDepth 69.5%

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 26
Current: $672 CAD|Low: $230 CAD|High: $6,687 CAD|Avg: $883 CAD|+5.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
October 31, 2026
Retailer 2$328 CAD
Retailer 11$363 CAD
Retailer 4$615 CAD
Retailer 12$626 CAD
Retailer 1$672 CAD
Retailer 6$691 CAD
Retailer 8$691 CAD
Retailer 9$691 CAD
Retailer 5$768 CAD
Retailer 10$993 CAD
Retailer 3$1,244 CAD
Retailer 7$1,465 CAD
Reve Diamonds$1,712 CAD

44 data points across 13 retailers

14 retailers$328 CAD to $1,712 CAD

A
Cheapest Retailer
-
$328 CAD
$235 USD
Final sale: no returns
A
Retailer 2
-
$363 CAD
$260 USD
View
B+
Retailer 3
-
$615 CAD
$440 USD
View
B
Retailer 4
-
$626 CAD
$448 USD
View
B
Retailer 5
-
$636 CAD
£358 GBP
View
B+
Retailer 6
-
$672 CAD
£379 GBP
View
B
Retailer 7
-
$691 CAD
€471 EUR
View
B+
Retailer 8
-
$691 CAD
£389 GBP
View
B+
Retailer 9
-
$691 CAD
$495 USD
View
B+
Retailer 10
-
$768 CAD
$550 USD
View
B
Retailer 11
-
$993 CAD
$711 USD
View
B
Retailer 12
-
$1,244 CAD
$890 USD
View
B
Retailer 13
-
$1,465 CAD
£826 GBP
View
Most Expensive
B
Reve Diamonds
78EB266E9 · Oct 30
$1,712 CAD
$1,226 USD
View
13 more retailers have this diamond
Prices start from $328 CADSave up to $1,384 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
1.00ct Asscher
$328 CAD