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Asscher|Lab Grown|IGI

1.51ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG530292776

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG530292776

Diamond specifications and retailer prices

From $210 USD
As of November 1, 2026
Save $1,030 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,240 USD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG530292776 or 530292776. Listed at 13 retailers as of November 1, 2026, with prices from $210 to $1,240, a $1,030 spread on the same certified stone. Brilliant Earth lists it at $1,240. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530292776
Dimensions6.27 × 6.21 × 4.18 mm
L/W Ratio1.01
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
6.27 mm6.21 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530292776
Side View
Table 67.0%Crown 29°Girdle: MediumPavilion 40.1°Culet: NoneDepth 67.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,240 USD|Low: $210 USD|High: $1,410 USD|Avg: $671 USD|-12.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11$210 USD
Retailer 4$273 USD
Retailer 9$315 USD
Retailer 10$420 USD
Retailer 2$422 USD
Retailer 8$491 USD
Retailer 7$495 USD
Retailer 6$588 USD
Retailer 12$802 USD
Retailer 3$935 USD
Retailer 5$1,087 USD
Brilliant Earth$1,240 USD

43 data points across 12 retailers

13 retailers$210 USD to $1,240 USD

A
Cheapest Retailer
-
$210 USD
Final sale: no returns
Retailer 2
-
$273 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$315 USD
View
A
Retailer 4
-
$420 USD
£331 GBP
View
A
Retailer 5
-
$422 USD
£332 GBP
View
A
Retailer 6
-
$491 USD
View
A
Retailer 7
-
$495 USD
€471 EUR
View
B+
Retailer 8
-
$588 USD
View
B+
Retailer 9
-
$802 USD
View
B
Retailer 10
-
$935 USD
View
B
Retailer 11
-
$1,087 USD
£856 GBP
View
B
Retailer 12
-
$1,240 USD
View
Most Expensive
B
Brilliant Earth
15296282A · Nov 1
$1,240 USD
View
12 more retailers have this diamond
Prices start from $210 USDSave up to $1,030 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
1.51ct Asscher
$210 USD