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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 $335 AUD
$235 USD
As of November 1, 2026
Save $1,413 AUD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,749 AUD at Reve Diamonds · As of November 1, 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 November 1, 2026, with prices from $335 to $1,749, a $1,413 spread on the same certified stone. Reve Diamonds lists it at $1,749. 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
Colour
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: Nov 1
Current: $686 AUD|Low: $331 AUD|High: $1,749 AUD|Avg: $877 AUD|+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
November 2, 2026
Retailer 2$335 AUD
Retailer 11$371 AUD
Retailer 4$628 AUD
Retailer 12$639 AUD
Retailer 1$686 AUD
Retailer 7$706 AUD
Retailer 8$706 AUD
Retailer 9$706 AUD
Retailer 6$785 AUD
Retailer 10$1,015 AUD
Retailer 3$1,270 AUD
Retailer 5$1,490 AUD
Reve Diamonds$1,749 AUD

44 data points across 13 retailers

14 retailers$335 AUD to $1,749 AUD

A
Cheapest Retailer
-
$335 AUD
$235 USD
Final sale: no returns
Retailer 2
-
$371 AUD
$260 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$628 AUD
$440 USD
View
B
Retailer 4
-
$639 AUD
$448 USD
View
B
Retailer 5
-
$650 AUD
£358 GBP
View
B+
Retailer 6
-
$686 AUD
£379 GBP
View
B
Retailer 7
-
$706 AUD
€471 EUR
View
B+
Retailer 8
-
$706 AUD
£389 GBP
View
B+
Retailer 9
-
$706 AUD
$495 USD
View
B+
Retailer 10
-
$785 AUD
$550 USD
View
B
Retailer 11
-
$1,015 AUD
$711 USD
View
B
Retailer 12
-
$1,270 AUD
$890 USD
View
B
Retailer 13
-
$1,490 AUD
£822 GBP
View
Most Expensive
B
Reve Diamonds
78EB266E9 · Nov 1
$1,749 AUD
$1,226 USD
View
13 more retailers have this diamond
Prices start from $335 AUDSave up to $1,413 AUD

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
$335 AUD