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Asscher|Lab Grown|IGI

1.51ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG492125321

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG492125321

Diamond specifications and retailer prices

From $1,027 USD
£809 GBP
As of October 29, 2026
Save $880 USD (46%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,907 USD at B2C Jewels · As of October 29, 2026
View at B2C Jewels

About this 1.51ct lab-grown asscher diamond

This 1.51ct lab-grown asscher sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492125321 or 492125321. Listed at 2 retailers as of October 29, 2026, with prices from $1,027 to $1,907, a $880 spread on the same certified stone. B2C Jewels lists it at $1,907. 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

1.51
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.8°
Pavilion angle44.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492125321
Dimensions6.29 × 6.26 × 4.24 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
6.29 mm6.26 mm1.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492125321
Side View
Table 65.5%Crown 25.8°Girdle: MediumPavilion 44.2°Culet: NoneDepth 67.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $1,907 USD|Low: $333 USD|High: $2,394 USD|Avg: $968 USD|+257.8%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
September 23, 2026
Retailer 6$387 USD
Retailer 3$421 USD
Retailer 4$797 USD
Retailer 5$1,210 USD
B2C Jewels$1,907 USD
Retailer 2$2,010 USD

61 data points across 6 retailers

2 retailers$1,027 USD to $1,907 USD

B
Cheapest Retailer
-
$1,027 USD
£809 GBP
Most Expensive
B
B2C Jewels
20034108 · Oct 29
$1,907 USD
View
1 more retailer has this diamond
Prices start from $1,027 USDSave up to $880 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.

B
1.51ct Asscher
$1,027 USD