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Asscher|Lab Grown|IGI

1.01ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG474137371

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG474137371

Diamond specifications and retailer prices

From €142 EUR
$159 USD
As of October 30, 2026
Save €595 EUR (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €738 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.01ct lab-grown asscher diamond

This 1.01ct 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 LG474137371 or 474137371. Listed at 13 retailers as of October 30, 2026, with prices from €142 to €738, a €595 spread on the same certified stone. MOH London lists it at €738. 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

1.01
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.5°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474137371
Dimensions5.44 × 5.34 × 3.25 mm
L/W Ratio1.02
Girdle conditionFaceted
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
5.44 mm5.34 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474137371
Side View
Table 67.0%Crown 29.5°Girdle: Slightly ThickPavilion 32.9°Culet: NoneDepth 60.9%

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: €738 EUR|Low: €142 EUR|High: €747 EUR|Avg: €320 EUR|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 11€142 EUR
Retailer 7€148 EUR
Retailer 2€158 EUR
Retailer 9€158 EUR
Retailer 10€208 EUR
Retailer 5€271 EUR
Retailer 6€276 EUR
Retailer 8€300 EUR
Retailer 3€377 EUR
Retailer 4€508 EUR
MOH London€738 EUR

42 data points across 11 retailers

13 retailers€142 EUR to €738 EUR

A
Cheapest Retailer
-
€142 EUR
$159 USD
Final sale: no returns
A
Retailer 2
-
€148 EUR
$165 USD
View
A
Retailer 3
-
€158 EUR
$176 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
€158 EUR
$176 USD
View
A
Retailer 5
-
€183 EUR
HK$1,600 HKD
View
B+
Retailer 6
-
€208 EUR
$232 USD
View
A
Retailer 7
-
€271 EUR
£238 GBP
View
A
Retailer 8
-
€276 EUR
View
A
Retailer 9
-
€300 EUR
£264 GBP
View
B+
Retailer 10
-
€377 EUR
$421 USD
View
B
Retailer 11
-
€508 EUR
$567 USD
View
B
Retailer 12
-
€616 EUR
£542 GBP
View
Most Expensive
B
MOH London
LG474137371 · Nov 1
€738 EUR
£649 GBP
View
12 more retailers have this diamond
Prices start from €142 EURSave up to €595 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
1.01ct Asscher
€142 EUR