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 $144 USD
As of October 30, 2026
Save $870 USD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,014 USD 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 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 October 30, 2026, with prices from $144 to $1,014, a $870 spread on the same certified stone. Reve Diamonds lists it at $1,014. 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
Color
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: Oct 30
Current: $306 USD|Low: $135 USD|High: $1,014 USD|Avg: $396 USD|+5.1%
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
October 31, 2026
Retailer 10$144 USD
Retailer 7$167 USD
Retailer 11$174 USD
Retailer 3$178 USD
Retailer 13$214 USD
Retailer 4$305 USD
Retailer 1$306 USD
Retailer 12$331 USD
Retailer 14$338 USD
Retailer 8$461 USD
Retailer 6$561 USD
Retailer 2$628 USD
Retailer 9$650 USD
Retailer 5$820 USD
Reve Diamonds$1,014 USD

32 data points across 15 retailers

17 retailers$144 USD to $1,014 USD

A
Cheapest Retailer
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$144 USD
A
Retailer 2
-
$167 USD
View
A
Retailer 3
-
$174 USD
View
Final sale: no returns
A
Retailer 4
-
$174 USD
View
A
Retailer 5
-
$178 USD
View
A
Retailer 6
-
$214 USD
£168 GBP
View
A
Retailer 7
-
$305 USD
€290 EUR
View
A
Retailer 8
-
$306 USD
£241 GBP
View
B+
Retailer 9
-
$331 USD
View
A
Retailer 10
-
$338 USD
£266 GBP
View
B
Retailer 11
-
$461 USD
View
Retailer 12
-
$526 USD
View
Price last confirmed 111 days ago
B
Retailer 13
-
$561 USD
View
B
Retailer 14
-
$628 USD
View
B
Retailer 15
-
$650 USD
View
B
Retailer 16
-
$820 USD
£646 GBP
View
Most Expensive
B
Reve Diamonds
379D0A863 · Oct 30
$1,014 USD
View
16 more retailers have this diamond
Prices start from $144 USDSave up to $870 USD

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
$144 USD