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Asscher|Lab Grown|IGI

1.51ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG514289908

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG514289908

Diamond specifications and retailer prices

From $239 USD
As of November 4, 2026
Save $1,751 USD (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,990 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG514289908 or 514289908. Listed at 15 retailers as of November 4, 2026, with prices from $239 to $1,990, a $1,751 spread on the same certified stone. Do Amore Diamonds lists it at $1,990. 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 angle28.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514289908
Dimensions6.24 × 6.19 × 4.16 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
6.24 mm6.19 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514289908
Side View
Table 64.5%Crown 28.1°Girdle: MediumPavilion 40.3°Culet: NoneDepth 67.2%

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: Nov 4
Current: $1,990 USD|Low: $239 USD|High: $1,990 USD|Avg: $790 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 13$239 USD
Retailer 6$396 USD
Retailer 11$400 USD
Retailer 8$477 USD
Retailer 14$513 USD
Retailer 2$526 USD
Retailer 10$543 USD
Retailer 5$617 USD
Retailer 9$930 USD
Retailer 3$1,085 USD
Retailer 7$1,139 USD
Retailer 4$1,163 USD
Retailer 12$1,220 USD
Do Amore Diamonds$1,990 USD

46 data points across 14 retailers

15 retailers$239 USD to $1,990 USD

A
Cheapest Retailer
-
$239 USD
Final sale: no returns
A
Retailer 2
-
$396 USD
View
B+
Retailer 3
-
$400 USD
View
Retailer 4
-
$477 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$513 USD
View
A
Retailer 6
-
$526 USD
View
Retailer 7
-
$543 USD
View
Price last confirmed 14 days ago
B+
Retailer 8
-
$617 USD
View
B+
Retailer 9
-
$794 USD
View
B+
Retailer 10
-
$930 USD
View
B
Retailer 11
-
$1,085 USD
View
B
Retailer 12
-
$1,139 USD
View
B
Retailer 13
-
$1,163 USD
View
B
Retailer 14
-
$1,220 USD
View
Most Expensive
B
Do Amore Diamonds
27-3702E8DE2 · Nov 4
$1,990 USD
View
14 more retailers have this diamond
Prices start from $239 USDSave up to $1,751 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
$239 USD