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Asscher|Lab Grown|IGI

1.63ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG831698079

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG831698079

Diamond specifications and retailer prices

From £390 GBP
$523 USD
As of October 29, 2026
Save £3,491 GBP (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,881 GBP 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831698079 or 831698079. Listed at 17 retailers as of October 28, 2026, with prices from £390 to £3,881, a £3,491 spread on the same certified stone. Brilliant Earth lists it at £3,881. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831698079
Dimensions6.60 × 6.55 × 4.30 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
6.60 mm6.55 mm1.63 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831698079
Side View
Table 61.0%Crown 34.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 65.6%

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 29
Current: £414 GBP|Low: £390 GBP|High: £1,739 GBP|Avg: £958 GBP|+0.2%
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
Retailer 15
Retailer 16
October 30, 2026
Retailer 2£390 GBP
Retailer 1£414 GBP
Retailer 5£455 GBP
Retailer 3£500 GBP
Retailer 15£615 GBP
Retailer 9£642 GBP
Retailer 11£671 GBP
Retailer 10£804 GBP
Retailer 13£895 GBP
Retailer 14£1,095 GBP
Retailer 4£1,255 GBP
Retailer 16£1,279 GBP
Retailer 8£1,353 GBP
Retailer 12£1,436 GBP
Retailer 6£1,667 GBP
Retailer 7£1,739 GBP

7 data points across 16 retailers

17 retailers£390 GBP to £3,881 GBP

A
Cheapest Retailer
-
£390 GBP
$523 USD
A
Retailer 2
-
£414 GBP
View
A
Retailer 3
-
£455 GBP
$610 USD
View
Final sale: no returns
A
Retailer 4
-
£500 GBP
$670 USD
View
A
Retailer 5
-
£615 GBP
$824 USD
View
A
Retailer 6
-
£642 GBP
View
A
Retailer 7
-
£671 GBP
ZAR 14,516 ZAR
View
A
Retailer 8
-
£804 GBP
€1,026 EUR
View
B+
Retailer 9
-
£895 GBP
$1,199 USD
View
B+
Retailer 10
-
£1,095 GBP
$1,467 USD
View
B+
Retailer 11
-
£1,255 GBP
$1,681 USD
View
B+
Retailer 12
-
£1,279 GBP
$1,714 USD
View
B+
Retailer 13
-
£1,353 GBP
$1,813 USD
View
B+
Retailer 14
-
£1,436 GBP
View
B
Retailer 15
-
£1,667 GBP
SGD 3,018 SGD
View
B
Retailer 16
-
£1,739 GBP
$2,330 USD
View
Most Expensive
B
Brilliant Earth
22262597A · Oct 28
£3,881 GBP
$5,200 USD
View
16 more retailers have this diamond
Prices start from £390 GBPSave up to £3,491 GBP

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
£390 GBP