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Asscher|Lab Grown|IGI

1.56ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG687536518

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG687536518

Diamond specifications and retailer prices

From $371 USD
As of October 31, 2026
Save $3,639 USD (91%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,010 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.56ct lab-grown asscher diamond

This 1.56ct 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 LG687536518 or 687536518. Listed at 19 retailers as of October 31, 2026, with prices from $371 to $4,010, a $3,639 spread on the same certified stone. Brilliant Earth lists it at $4,010. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687536518
Dimensions6.52 × 6.36 × 4.21 mm
L/W Ratio1.03
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
6.52 mm6.36 mm1.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687536518
Side View
Table 59.0%Crown 37.6°Girdle: Slightly ThickPavilion 42.5°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
A+
Exceptional
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 31
Current: $4,010 USD|Low: $367 USD|High: $4,010 USD|Avg: $1,214 USD|+3.4%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 7$371 USD
Retailer 19$411 USD
Retailer 6$565 USD
Retailer 4$664 USD
Retailer 18$670 USD
Retailer 12$687 USD
Retailer 15$707 USD
Retailer 2$737 USD
Retailer 14$959 USD
Retailer 3$1,070 USD
Retailer 17$1,080 USD
Retailer 8$1,366 USD
Retailer 10$1,466 USD
Retailer 9$1,516 USD
Retailer 5$1,614 USD
Retailer 13$1,657 USD
Retailer 11$1,792 USD
Retailer 16$2,265 USD
Brilliant Earth$4,010 USD

45 data points across 19 retailers

19 retailers$371 USD to $4,010 USD

A+
Cheapest Retailer
-
$371 USD
Final sale: no returns
A
Retailer 2
-
$411 USD
View
A
Retailer 3
-
$565 USD
View
A
Retailer 4
-
$664 USD
View
A
Retailer 5
-
$670 USD
View
A
Retailer 6
-
$687 USD
€654 EUR
View
A
Retailer 7
-
$707 USD
ZAR 11,419 ZAR
View
A
Retailer 8
-
$737 USD
£580 GBP
View
A
Retailer 9
-
$959 USD
A$1,475 AUD
View
B+
Retailer 10
-
$1,070 USD
View
A
Retailer 11
-
$1,080 USD
View
B+
Retailer 12
-
$1,366 USD
View
Retailer 13
-
$1,466 USD
A$2,255 AUD
View
Price last confirmed 29 days ago
B+
Retailer 14
-
$1,516 USD
View
B+
Retailer 15
-
$1,614 USD
View
B+
Retailer 16
-
$1,657 USD
£1,305 GBP
View
B+
Retailer 17
-
$1,829 USD
View
Retailer 18
-
$2,265 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
14720100A · Oct 31
$4,010 USD
View
18 more retailers have this diamond
Prices start from $371 USDSave up to $3,639 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+
1.56ct Asscher
$371 USD