Asscher|Lab Grown|IGI

1.00ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG807663059

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG807663059

Diamond specifications and retailer prices

From €128 EUR
$144 USD
As of November 2, 2026
Save €776 EUR (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €904 EUR 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG807663059 or 807663059. Listed at 17 retailers as of November 1, 2026, with prices from €128 to €904, a €776 spread on the same certified stone. Reve Diamonds lists it at €904. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle47.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807663059
Dimensions5.61 × 5.45 × 3.93 mm
L/W Ratio1.03
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
5.61 mm5.45 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807663059
Side View
Table 61.0%Crown 32°Girdle: MediumPavilion 47.8°CuletDepth 72.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €743 EUR|Low: €120 EUR|High: €904 EUR|Avg: €351 EUR|+0.9%
Retailer 1
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
Reve Diamonds
November 2, 2026
Retailer 14€128 EUR
Retailer 10€143 EUR
Retailer 12€149 EUR
Retailer 5€159 EUR
Retailer 8€190 EUR
Retailer 6€271 EUR
Retailer 9€273 EUR
Retailer 2€295 EUR
Retailer 3€302 EUR
Retailer 7€416 EUR
Retailer 11€511 EUR
Retailer 4€560 EUR
Retailer 13€580 EUR
Retailer 1€743 EUR
Reve Diamonds€904 EUR

32 data points across 15 retailers

17 retailers€128 EUR to €904 EUR

A
Cheapest Retailer
-
€128 EUR
$144 USD
A
Retailer 2
-
€143 EUR
$160 USD
View
Final sale: no returns
A
Retailer 3
-
€149 EUR
$167 USD
View
Retailer 4
-
€155 EUR
$174 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€159 EUR
$178 USD
View
A
Retailer 6
-
€190 EUR
£168 GBP
View
A
Retailer 7
-
€271 EUR
View
A
Retailer 8
-
€273 EUR
£241 GBP
View
B+
Retailer 9
-
€295 EUR
$331 USD
View
A
Retailer 10
-
€302 EUR
£266 GBP
View
B+
Retailer 11
-
€416 EUR
$467 USD
View
Retailer 12
-
€469 EUR
$526 USD
View
Price last confirmed 113 days ago
B
Retailer 13
-
€511 EUR
$573 USD
View
B
Retailer 14
-
€560 EUR
$628 USD
View
B
Retailer 15
-
€580 EUR
$650 USD
View
B
Retailer 16
-
€743 EUR
£656 GBP
View
Most Expensive
B
Reve Diamonds
379D0A863 · Nov 1
€904 EUR
$1,014 USD
View
16 more retailers have this diamond
Prices start from €128 EURSave up to €776 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
1.00ct Asscher
€128 EUR