Asscher|Lab Grown|IGI

1.00ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG450012680

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG450012680

Diamond specifications and retailer prices

From $313 USD
£246 GBP
As of October 30, 2026
Save $819 USD (72%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,132 USD at MOH London · As of October 29, 2026
View at MOH London

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 LG450012680 or 450012680. Listed at 8 retailers as of October 29, 2026, with prices from $313 to $1,132, a $819 spread on the same certified stone. MOH London lists it at $1,132. 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
SymmetryVery Good
FluorescenceNone
Crown angle24.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG450012680
Dimensions5.56 × 5.44 × 3.47 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by high pressure high temperature process (HPHT). Type II
Top View
5.56 mm5.44 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG450012680
Side View
Table 51.0%Crown 24.7°Girdle: ThickPavilion 37.8°Culet: NoneDepth 63.8%

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 30
Current: $1,132 USD|Low: $313 USD|High: $1,132 USD|Avg: $549 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$313 USD
Retailer 6$346 USD
Retailer 5$419 USD
Retailer 3$457 USD
Retailer 8$460 USD
Retailer 4$478 USD
Retailer 9$480 USD
Retailer 7$848 USD
MOH London$1,132 USD

3 data points across 9 retailers

8 retailers$313 USD to $1,132 USD

A
Cheapest Retailer
-
$313 USD
£246 GBP
Retailer 2
-
$346 USD
HK$2,700 HKD
View
Price last confirmed 55 days ago
B+
Retailer 3
-
$419 USD
View
B+
Retailer 4
-
$457 USD
£360 GBP
View
B
Retailer 5
-
$478 USD
View
B
Retailer 6
-
$824 USD
£649 GBP
View
Retailer 7
-
$848 USD
SGD 1,146 SGD
View
Price last confirmed 22 days ago
Most Expensive
B
MOH London
LG450012680 · Oct 29
$1,132 USD
£891 GBP
View
7 more retailers have this diamond
Prices start from $313 USDSave up to $819 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
$313 USD