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Asscher|Lab Grown|IGI

1.51ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG625457920

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG625457920

Diamond specifications and retailer prices

From $301 USD
As of November 2, 2026
Save $2,669 USD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,970 USD at Brilliant Earth · As of October 31, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG625457920 or 625457920. Listed at 24 retailers as of October 31, 2026, with prices from $301 to $2,970, a $2,669 spread on the same certified stone. Brilliant Earth lists it at $2,970. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625457920
Dimensions6.21 × 6.16 × 4.15 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
6.21 mm6.16 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625457920
Side View
Table 66.0%Crown 37.7°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 67.4%

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: Nov 2
Current: $2,970 USD|Low: $301 USD|High: $2,970 USD|Avg: $975 USD
Brilliant Earth
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
Retailer 15
November 2, 2026
Retailer 2$301 USD
Retailer 7$373 USD
Retailer 11$373 USD
Retailer 8$395 USD
Retailer 6$502 USD
Retailer 14$586 USD
Retailer 10$644 USD
Retailer 9$663 USD
Retailer 3$870 USD
Retailer 4$966 USD
Retailer 12$1,201 USD
Retailer 5$1,213 USD
Retailer 13$1,394 USD
Retailer 15$1,505 USD
Brilliant Earth$2,970 USD

35 data points across 15 retailers

24 retailers$301 USD to $2,970 USD

A
Cheapest Retailer
-
$301 USD
A
Retailer 2
-
$336 USD
View
Final sale: no returns
Retailer 3
-
$373 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$373 USD
View
A
Retailer 5
-
$395 USD
£311 GBP
View
A
Retailer 6
-
$502 USD
View
A
Retailer 7
-
$530 USD
View
A
Retailer 8
-
$586 USD
€558 EUR
View
A
Retailer 9
-
$644 USD
ZAR 10,405 ZAR
View
A
Retailer 10
-
$663 USD
£522 GBP
View
A
Retailer 11
-
$708 USD
View
A
Retailer 12
-
$870 USD
A$1,339 AUD
View
A
Retailer 13
-
$966 USD
View
B+
Retailer 14
-
$1,010 USD
View
B+
Retailer 15
-
$1,201 USD
View
B+
Retailer 16
-
$1,213 USD
View
B+
Retailer 17
-
$1,248 USD
View
B+
Retailer 18
-
$1,394 USD
A$2,145 AUD
View
B+
Retailer 19
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$1,505 USD
£1,185 GBP
View
B+
Retailer 20
-
$1,517 USD
View
Retailer 21
-
$2,295 USD
View
Price last confirmed 33 days ago
B
Retailer 22
-
$2,544 USD
£2,003 GBP
View
B
Retailer 23
-
$2,845 USD
£2,240 GBP
View
Most Expensive
B
Brilliant Earth
13390469A · Oct 31
$2,970 USD
View
23 more retailers have this diamond
Prices start from $301 USDSave up to $2,669 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
$301 USD