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Asscher|Lab Grown|IGI

1.67ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG578326268

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG578326268

Diamond specifications and retailer prices

From £238 GBP
As of November 5, 2026
Save £1,293 GBP (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,531 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.67ct lab-grown asscher diamond

This 1.67ct lab-grown asscher sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG578326268 or 578326268. Listed at 11 retailers as of November 2, 2026, with prices from £238 to £1,531, a £1,293 spread on the same certified stone. Do Amore Diamonds lists it at £1,531. 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

1.67
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578326268
Dimensions6.66 × 6.65 × 4.14 mm
L/W Ratio1.00
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
6.66 mm6.65 mm1.67 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578326268
Side View
Table 63.0%Crown 31.2°Girdle: MediumPavilion 37.6°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
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: Nov 5
Current: £1,531 GBP|Low: £117 GBP|High: £1,531 GBP|Avg: £597 GBP|+5.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 3£117 GBP
Retailer 4£238 GBP
Retailer 8£267 GBP
Retailer 7£291 GBP
Retailer 6£351 GBP
Retailer 9£452 GBP
Retailer 11£676 GBP
Retailer 2£700 GBP
Retailer 10£849 GBP
Retailer 5£988 GBP
Do Amore Diamonds£1,531 GBP

28 data points across 11 retailers

11 retailers£238 GBP to £1,531 GBP

A
Cheapest Retailer
-
£238 GBP
B+
Retailer 2
-
£267 GBP
View
A
Retailer 3
-
£291 GBP
View
Retailer 4
-
£351 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£452 GBP
View
B+
Retailer 6
-
£650 GBP
View
B+
Retailer 7
-
£676 GBP
View
B+
Retailer 8
-
£700 GBP
View
Retailer 9
-
£849 GBP
View
Price last confirmed 11 days ago
B
Retailer 10
-
£988 GBP
View
Most Expensive
B
Do Amore Diamonds
27-064A617F9 · Nov 2
£1,531 GBP
$2,060 USD
View
10 more retailers have this diamond
Prices start from £238 GBPSave up to £1,293 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
1.67ct Asscher
£238 GBP