Asscher|Lab Grown|IGI

1.53ct D IF Asscher Lab Grown Diamond

EX • D/IF • IGI LG842662173

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG842662173

Diamond specifications and retailer prices

From $639 USD
As of October 30, 2026
Save $949 USD (60%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,285 USD at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 1.53ct lab-grown asscher diamond

This 1.53ct 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 LG842662173 or 842662173. Listed at 9 retailers as of October 29, 2026, with a 148% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842662173
Dimensions6.38 × 6.29 × 4.17 mm
L/W Ratio1.01
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
6.38 mm6.29 mm1.53 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842662173
Side View
Table 65.0%Crown 31.2°Girdle: Slightly ThickPavilion 42.6°Culet: NoneDepth 66.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $2,285 USD|Low: $639 USD|High: $2,285 USD|Avg: $1,169 USD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 8$639 USD
Retailer 5$653 USD
Retailer 3$703 USD
Retailer 6$1,040 USD
Retailer 9$1,243 USD
Retailer 7$1,312 USD
Retailer 2$1,409 USD
Retailer 4$1,588 USD
Rare Carat$2,285 USD

23 data points across 9 retailers

9 retailers$639 USD to $1,588 USD

A
Cheapest Retailer
-
$639 USD
A
Retailer 2
-
$653 USD
View
A
Retailer 3
-
$703 USD
£554 GBP
View
A
Retailer 4
-
$1,040 USD
View
B+
Retailer 5
-
$1,243 USD
View
B+
Retailer 6
-
$1,312 USD
View
B+
Retailer 7
-
$1,409 USD
A$2,167 AUD
View
B+
Retailer 8
-
$1,588 USD
£1,250 GBP
View
Most Expensive
Rare Carat
3S842662173 · Oct 19
$2,285 USD
View
Price last confirmed 12 days ago
8 more retailers have this diamond
Prices start from $639 USDSave up to $949 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
1.53ct Asscher
$639 USD