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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 $283 AUD
$199 USD
As of November 1, 2026
Save $1,397 AUD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,680 AUD at Brilliant Earth · As of October 31, 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 31, 2026, with prices from $283 to $1,680, a $1,397 spread on the same certified stone. Brilliant Earth lists it at $1,680. 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
Colour
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: Nov 1
Current: $1,680 AUD|Low: $283 AUD|High: $2,548 AUD|Avg: $877 AUD|-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
November 2, 2026
Retailer 13$283 AUD
Retailer 5$346 AUD
Retailer 6$357 AUD
Retailer 3$424 AUD
Retailer 8$540 AUD
Retailer 9$556 AUD
Retailer 2$563 AUD
Retailer 11$692 AUD
Retailer 4$1,026 AUD
Retailer 12$1,085 AUD
Retailer 10$1,310 AUD
Retailer 7$1,464 AUD
Retailer 14$1,597 AUD
Brilliant Earth$1,680 AUD

36 data points across 14 retailers

15 retailers$283 AUD to $1,680 AUD

A
Cheapest Retailer
-
$283 AUD
$199 USD
Final sale: no returns
A
Retailer 2
-
$346 AUD
HK$1,900 HKD
View
Retailer 3
-
$357 AUD
$251 USD
View
Price last confirmed 17 days ago
B+
Retailer 4
-
$424 AUD
$298 USD
View
A
Retailer 5
-
$540 AUD
€361 EUR
View
A
Retailer 6
-
$556 AUD
£307 GBP
View
A
Retailer 7
-
$563 AUD
£311 GBP
View
A
Retailer 8
-
$692 AUD
$486 USD
View
B+
Retailer 9
-
$1,026 AUD
SGD 974 SGD
View
B+
Retailer 10
-
$1,070 AUD
£592 GBP
View
B+
Retailer 11
-
$1,085 AUD
$762 USD
View
B+
Retailer 12
-
$1,310 AUD
$920 USD
View
B+
Retailer 13
-
$1,464 AUD
£810 GBP
View
B
Retailer 14
-
$1,597 AUD
$1,122 USD
View
Most Expensive
B
Brilliant Earth
18876904A · Oct 31
$1,680 AUD
$1,180 USD
View
14 more retailers have this diamond
Prices start from $283 AUDSave up to $1,397 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
1.65ct Asscher
$283 AUD