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Asscher|Lab Grown|IGI

1.62ct F SI1 Asscher Lab Grown Diamond

ID • F/SI1 • IGI LG610310920

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG610310920

Diamond specifications and retailer prices

From £630 GBP
As of November 2, 2026
8 retailers carry this diamond
Most expensive: £1,321 GBP at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.62ct lab-grown asscher diamond

This 1.62ct lab-grown asscher sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG610310920 or 610310920. Listed at 8 retailers as of November 2, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.62
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610310920
Dimensions6.48 × 6.43 × 4.21 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.48 mm6.43 mm1.62 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610310920
Side View
Table 62.0%Crown 34.1°Girdle: MediumPavilion 40°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £1,321 GBP|Low: £149 GBP|High: £1,366 GBP|Avg: £609 GBP|-3.3%
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
October 12, 2026
Retailer 13£197 GBP
Retailer 14£264 GBP
Retailer 10£282 GBP
Retailer 11£366 GBP
Retailer 5£398 GBP
Retailer 8£400 GBP
Retailer 3£446 GBP
Retailer 6£450 GBP
Retailer 12£618 GBP
Retailer 15£733 GBP
Retailer 2£818 GBP
Retailer 4£826 GBP
Retailer 9£879 GBP
Retailer 7£1,164 GBP
Brilliant Earth£1,321 GBP

16 data points across 15 retailers

8 retailers

Retailer 1
-
£197 GBP
$264 USD
Price last confirmed 25 days ago
Retailer 2
-
£366 GBP
$490 USD
View
Price last confirmed 23 days ago
Retailer 3
-
£398 GBP
View
Price last confirmed 24 days ago
Retailer 4
-
£450 GBP
$603 USD
View
Price last confirmed 23 days ago
B+
Retailer 5
-
£630 GBP
View
Retailer 6
-
£826 GBP
$1,107 USD
View
Price last confirmed 25 days ago
Retailer 7
-
£879 GBP
View
Price last confirmed 25 days ago
Most Expensive
Brilliant Earth
9171541Y · Oct 8
£1,321 GBP
$1,770 USD
View
Price last confirmed 24 days ago
7 more retailers have this diamond
Prices start from £630 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.

B+
1.62ct Asscher
£630 GBP