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Asscher|Lab Grown|IGI

1.63ct E IF Asscher Lab Grown Diamond

ID • E/IF • IGI LG818659701

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG818659701

Diamond specifications and retailer prices

From $259 USD
As of October 27, 2026
Save $3,481 USD (93%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,740 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.63ct lab-grown asscher diamond

This 1.63ct lab-grown asscher sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818659701 or 818659701. Listed at 23 retailers as of October 27, 2026, with prices from $259 to $3,740, a $3,481 spread on the same certified stone. Brilliant Earth lists it at $3,740. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659701
Dimensions6.53 × 6.50 × 4.28 mm
L/W Ratio1.00
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
6.53 mm6.50 mm1.63 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659701
Side View
Table 61.0%Crown 33.1°Girdle: Slightly ThickPavilion 40.1°Culet: NoneDepth 65.8%

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 27
Current: $3,740 USD|Low: $249 USD|High: $3,740 USD|Avg: $1,057 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
Retailer 16
October 29, 2026
Retailer 7$259 USD
Retailer 6$301 USD
Retailer 8$322 USD
Retailer 12$333 USD
Retailer 15$480 USD
Retailer 10$525 USD
Retailer 14$552 USD
Retailer 2$613 USD
Retailer 16$748 USD
Retailer 5$815 USD
Retailer 9$1,070 USD
Retailer 13$1,105 USD
Retailer 3$1,153 USD
Retailer 11$1,295 USD
Retailer 4$3,550 USD
Brilliant Earth$3,740 USD

29 data points across 16 retailers

23 retailers$259 USD to $3,740 USD

A
Cheapest Retailer
-
$259 USD
A
Retailer 2
-
$290 USD
View
Final sale: no returns
A
Retailer 3
-
$301 USD
View
A
Retailer 4
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$322 USD
View
A
Retailer 5
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$322 USD
View
A
Retailer 6
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$333 USD
£262 GBP
View
A
Retailer 7
-
$480 USD
View
A
Retailer 8
-
$525 USD
€500 EUR
View
A
Retailer 9
-
$535 USD
View
A
Retailer 10
-
$552 USD
ZAR 8,925 ZAR
View
A
Retailer 11
-
$589 USD
View
A
Retailer 12
-
$613 USD
£482 GBP
View
A
Retailer 13
-
$748 USD
A$1,150 AUD
View
A
Retailer 14
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$815 USD
View
A
Retailer 15
-
$1,034 USD
View
A
Retailer 16
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$1,070 USD
View
A
Retailer 17
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$1,085 USD
View
B+
Retailer 18
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$1,105 USD
SGD 1,493 SGD
View
A
Retailer 19
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$1,151 USD
View
B+
Retailer 20
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$1,153 USD
View
B+
Retailer 21
-
$1,295 USD
£1,020 GBP
View
B
Retailer 22
-
$3,550 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21433863A · Oct 28
$3,740 USD
View
22 more retailers have this diamond
Prices start from $259 USDSave up to $3,481 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
1.63ct Asscher
$259 USD