CaratHunter
Plans
Asscher|Lab Grown|IGI

1.03ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG807662948

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG807662948

Diamond specifications and retailer prices

From £108 GBP
$145 USD
As of October 30, 2026
Save £652 GBP (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £760 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.03ct lab-grown asscher diamond

This 1.03ct lab-grown asscher sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG807662948 or 807662948. Listed at 16 retailers as of October 30, 2026, with prices from £108 to £760, a £652 spread on the same certified stone. Reve Diamonds lists it at £760. 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

1.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807662948
Dimensions5.71 × 5.50 × 3.66 mm
L/W Ratio1.04
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
5.71 mm5.50 mm1.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807662948
Side View
Table 64.0%Crown 32.6°Girdle: MED-STKPavilion 38°Culet: NoneDepth 66.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £440 GBP|Low: £102 GBP|High: £760 GBP|Avg: £259 GBP
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
Reve Diamonds
October 30, 2026
Retailer 7£108 GBP
Retailer 6£123 GBP
Retailer 5£131 GBP
Retailer 8£132 GBP
Retailer 13£134 GBP
Retailer 14£230 GBP
Retailer 11£232 GBP
Retailer 9£249 GBP
Retailer 10£255 GBP
Retailer 3£342 GBP
Retailer 4£423 GBP
Retailer 1£440 GBP
Retailer 12£473 GBP
Retailer 2£619 GBP
Reve Diamonds£760 GBP

42 data points across 15 retailers

16 retailers£108 GBP to £760 GBP

A
Cheapest Retailer
-
£108 GBP
$145 USD
A
Retailer 2
-
£123 GBP
$165 USD
View
A
Retailer 3
-
£131 GBP
$176 USD
View
A
Retailer 4
-
£132 GBP
$177 USD
View
Final sale: no returns
A
Retailer 5
-
£134 GBP
$180 USD
View
A
Retailer 6
-
£230 GBP
€293 EUR
View
A
Retailer 7
-
£232 GBP
View
A
Retailer 8
-
£249 GBP
$333 USD
View
A
Retailer 9
-
£255 GBP
View
B+
Retailer 10
-
£342 GBP
$458 USD
View
Retailer 11
-
£360 GBP
$483 USD
View
Price last confirmed 110 days ago
B
Retailer 12
-
£423 GBP
$567 USD
View
B+
Retailer 13
-
£440 GBP
$590 USD
View
B
Retailer 14
-
£473 GBP
$634 USD
View
B
Retailer 15
-
£619 GBP
View
Most Expensive
B
Reve Diamonds
FFE4B83CF · Oct 30
£760 GBP
$1,018 USD
View
15 more retailers have this diamond
Prices start from £108 GBPSave up to £652 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
1.03ct Asscher
£108 GBP