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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 €178 EUR
$199 USD
As of October 30, 2026
Save €878 EUR (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,056 EUR 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 30, 2026, with prices from €178 to €1,056, a €878 spread on the same certified stone. Brilliant Earth lists it at €1,056. 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: €1,056 EUR|Low: €178 EUR|High: €1,602 EUR|Avg: €549 EUR|-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 1, 2026
Retailer 13€178 EUR
Retailer 5€218 EUR
Retailer 6€225 EUR
Retailer 3€267 EUR
Retailer 8€339 EUR
Retailer 9€349 EUR
Retailer 7€354 EUR
Retailer 11€435 EUR
Retailer 4€645 EUR
Retailer 12€682 EUR
Retailer 10€823 EUR
Retailer 2€921 EUR
Retailer 14€1,004 EUR
Brilliant Earth€1,056 EUR

36 data points across 14 retailers

15 retailers€178 EUR to €1,056 EUR

A
Cheapest Retailer
-
€178 EUR
$199 USD
Final sale: no returns
A
Retailer 2
-
€218 EUR
HK$1,900 HKD
View
Retailer 3
-
€225 EUR
$251 USD
View
Price last confirmed 16 days ago
B+
Retailer 4
-
€267 EUR
$298 USD
View
A
Retailer 5
-
€339 EUR
View
A
Retailer 6
-
€349 EUR
£307 GBP
View
A
Retailer 7
-
€354 EUR
£311 GBP
View
A
Retailer 8
-
€435 EUR
$486 USD
View
B+
Retailer 9
-
€645 EUR
SGD 974 SGD
View
B+
Retailer 10
-
€673 EUR
£592 GBP
View
B+
Retailer 11
-
€682 EUR
$762 USD
View
Retailer 12
-
€823 EUR
$920 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
€921 EUR
£810 GBP
View
B
Retailer 14
-
€1,004 EUR
$1,122 USD
View
Most Expensive
B
Brilliant Earth
18876904A · Oct 31
€1,056 EUR
$1,180 USD
View
14 more retailers have this diamond
Prices start from €178 EURSave up to €878 EUR

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
€178 EUR