Asscher|Lab Grown|IGI

1.51ct D IF Asscher Lab Grown Diamond

EX • D/IF • IGI LG649453786

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG649453786

Diamond specifications and retailer prices

From $459 USD
As of October 30, 2026
Save $3,871 USD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,330 USD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG649453786 or 649453786. Listed at 20 retailers as of October 30, 2026, with prices from $459 to $4,330, a $3,871 spread on the same certified stone. Diamond Quarter lists it at $4,330. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649453786
Dimensions6.28 × 6.28 × 4.01 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
6.28 mm6.28 mm1.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649453786
Side View
Table 63.0%Crown 33°Girdle: MediumPavilion 40.7°Culet: NoneDepth 63.9%

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: $838 USD|Low: $420 USD|High: $3,750 USD|Avg: $1,278 USD|+1.9%
Retailer 1
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 1, 2026
Retailer 11$459 USD
Retailer 4$710 USD
Retailer 13$725 USD
Retailer 5$806 USD
Retailer 8$826 USD
Retailer 1$838 USD
Retailer 10$882 USD
Retailer 6$1,189 USD
Retailer 7$1,195 USD
Retailer 2$1,502 USD
Retailer 9$1,896 USD
Retailer 3$1,919 USD
Retailer 12$2,270 USD
Retailer 14$3,750 USD

43 data points across 14 retailers

20 retailers$459 USD to $4,330 USD

A
Cheapest Retailer
-
$459 USD
Final sale: no returns
A
Retailer 2
-
$615 USD
View
A
Retailer 3
-
$666 USD
HK$5,200 HKD
View
A
Retailer 4
-
$710 USD
View
A
Retailer 5
-
$725 USD
View
A
Retailer 6
-
$806 USD
View
A
Retailer 7
-
$826 USD
€787 EUR
View
A
Retailer 8
-
$838 USD
£660 GBP
View
A
Retailer 9
-
$882 USD
ZAR 14,251 ZAR
View
B+
Retailer 10
-
$1,189 USD
View
B+
Retailer 11
-
$1,195 USD
A$1,839 AUD
View
Retailer 12
-
$1,502 USD
A$2,310 AUD
View
Price last confirmed 31 days ago
B
Retailer 13
-
$1,744 USD
View
B
Retailer 14
-
$1,803 USD
View
B+
Retailer 15
-
$1,896 USD
£1,493 GBP
View
B
Retailer 16
-
$1,919 USD
SGD 2,593 SGD
View
Retailer 17
-
$2,270 USD
View
Price last confirmed 13 days ago
B
Retailer 18
-
$3,330 USD
View
B
Retailer 19
-
$3,750 USD
View
Most Expensive
B
Diamond Quarter
1.51IFDLG86A205N · Oct 31
$4,330 USD
£3,410 GBP
View
19 more retailers have this diamond
Prices start from $459 USDSave up to $3,871 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
$459 USD