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Asscher|Lab Grown|IGI

1.00ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG587327342

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG587327342

Diamond specifications and retailer prices

From $217 USD
As of October 28, 2026
Save $958 USD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,175 USD at Reve Diamonds · As of October 28, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG587327342 or 587327342. Listed at 14 retailers as of October 28, 2026, with prices from $217 to $1,175, a $958 spread on the same certified stone. Reve Diamonds lists it at $1,175. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG587327342
Dimensions5.44 × 5.39 × 3.74 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.44 mm5.39 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG587327342
Side View
Table 62.0%Crown 37.3°Girdle: Slightly ThickPavilion 41.5°Culet: NoneDepth 69.4%

Caratlytics Score

How it works →
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 28
Current: $438 USD|Low: $217 USD|High: $1,139 USD|Avg: $515 USD|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 3$217 USD
Retailer 11$241 USD
Retailer 4$410 USD
Retailer 10$419 USD
Retailer 1$438 USD
Retailer 6$450 USD
Retailer 5$457 USD
Retailer 2$553 USD
Retailer 8$616 USD
Retailer 9$890 USD
Retailer 7$1,132 USD

39 data points across 11 retailers

14 retailers$217 USD to $1,175 USD

A
Cheapest Retailer
-
$217 USD
Final sale: no returns
A
Retailer 2
-
$241 USD
View
Price last confirmed 13 days ago
B+
Retailer 3
-
$410 USD
€390 EUR
View
B+
Retailer 4
-
$419 USD
View
B+
Retailer 5
-
$438 USD
£345 GBP
View
B+
Retailer 6
-
$450 USD
View
B+
Retailer 7
-
$457 USD
£360 GBP
View
B+
Retailer 8
-
$553 USD
View
B
Retailer 9
-
$616 USD
View
B
Retailer 10
-
$622 USD
£490 GBP
View
B
Retailer 11
-
$827 USD
View
B
Retailer 12
-
$890 USD
View
B
Retailer 13
-
$1,132 USD
£891 GBP
View
Most Expensive
B
Reve Diamonds
2537EC6DB · Oct 28
$1,175 USD
View
13 more retailers have this diamond
Prices start from $217 USDSave up to $958 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
$217 USD