Asscher|Lab Grown|IGI

1.00ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG524247380

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG524247380

Diamond specifications and retailer prices

From $158 USD
As of October 30, 2026
Save $665 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $823 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG524247380 or 524247380. Listed at 14 retailers as of October 29, 2026, with prices from $158 to $823, a $665 spread on the same certified stone. MOH London lists it at $823. 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 angle21.5°
Pavilion angle44.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG524247380
Dimensions5.50 × 5.48 × 3.53 mm
L/W Ratio1.00
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
5.50 mm5.48 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG524247380
Side View
Table 64.5%Crown 21.5°Girdle: MediumPavilion 44.2°Culet: NoneDepth 64.4%

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: $823 USD|Low: $158 USD|High: $828 USD|Avg: $387 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 9$158 USD
Retailer 8$175 USD
Retailer 6$232 USD
Retailer 3$300 USD
Retailer 2$307 USD
Retailer 4$332 USD
Retailer 10$420 USD
Retailer 5$444 USD
Retailer 7$640 USD
MOH London$823 USD

42 data points across 10 retailers

14 retailers$158 USD to $823 USD

A
Cheapest Retailer
-
$158 USD
Final sale: no returns
A
Retailer 2
-
$164 USD
View
A
Retailer 3
-
$175 USD
View
A
Retailer 4
-
$205 USD
HK$1,600 HKD
View
B+
Retailer 5
-
$232 USD
View
A
Retailer 6
-
$300 USD
£236 GBP
View
A
Retailer 7
-
$307 USD
€292 EUR
View
A
Retailer 8
-
$332 USD
£262 GBP
View
B+
Retailer 9
-
$420 USD
View
B+
Retailer 10
-
$444 USD
View
B
Retailer 11
-
$485 USD
SGD 655 SGD
View
B
Retailer 12
-
$640 USD
View
B
Retailer 13
-
$682 USD
£537 GBP
View
Most Expensive
B
MOH London
LG524247380 · Oct 29
$823 USD
£648 GBP
View
13 more retailers have this diamond
Prices start from $158 USDSave up to $665 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
$158 USD