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Asscher|Lab Grown|IGI

1.03ct E IF Asscher Lab Grown Diamond

ID • E/IF • IGI LG723587900

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG723587900

Diamond specifications and retailer prices

From £185 GBP
$248 USD
As of October 30, 2026
Save £1,009 GBP (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,194 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG723587900 or 723587900. Listed at 21 retailers as of October 30, 2026, with prices from £185 to £1,194, a £1,009 spread on the same certified stone. Brilliant Earth lists it at £1,194. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG723587900
Dimensions5.62 × 5.59 × 3.68 mm
L/W Ratio1.01
Culet sizePointed
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
5.62 mm5.59 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG723587900
Side View
Table 69.0%Crown 38.2°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 65.8%

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: Oct 30
Current: £1,194 GBP|Low: £146 GBP|High: £1,217 GBP|Avg: £549 GBP|-1.8%
Brilliant Earth
Retailer 2
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Retailer 20
October 31, 2026
Retailer 20£185 GBP
Retailer 5£207 GBP
Retailer 18£215 GBP
Retailer 7£230 GBP
Retailer 10£230 GBP
Retailer 8£386 GBP
Retailer 13£391 GBP
Retailer 14£395 GBP
Retailer 4£402 GBP
Retailer 2£433 GBP
Retailer 19£446 GBP
Retailer 15£559 GBP
Retailer 6£608 GBP
Retailer 16£624 GBP
Retailer 3£739 GBP
Retailer 11£777 GBP
Retailer 12£826 GBP
Retailer 17£922 GBP
Retailer 9£1,006 GBP
Brilliant Earth£1,194 GBP

45 data points across 20 retailers

21 retailers£185 GBP to £1,194 GBP

A
Cheapest Retailer
-
£185 GBP
$248 USD
A
Retailer 2
-
£207 GBP
$277 USD
View
Final sale: no returns
A
Retailer 3
-
£215 GBP
$288 USD
View
A
Retailer 4
-
£230 GBP
$308 USD
View
A
Retailer 5
-
£230 GBP
$308 USD
View
A
Retailer 6
-
£386 GBP
$517 USD
View
A
Retailer 7
-
£391 GBP
€499 EUR
View
A
Retailer 8
-
£395 GBP
ZAR 8,547 ZAR
View
A
Retailer 9
-
£402 GBP
$538 USD
View
A
Retailer 10
-
£433 GBP
View
A
Retailer 11
-
£446 GBP
$597 USD
View
B+
Retailer 12
-
£559 GBP
A$1,153 AUD
View
B+
Retailer 13
-
£608 GBP
$814 USD
View
B+
Retailer 14
-
£624 GBP
A$1,287 AUD
View
B+
Retailer 15
-
£739 GBP
$990 USD
View
B
Retailer 16
-
£777 GBP
$1,042 USD
View
B
Retailer 17
-
£843 GBP
$1,130 USD
View
Retailer 18
-
£860 GBP
$1,152 USD
View
Price last confirmed 82 days ago
B+
Retailer 19
-
£922 GBP
View
B
Retailer 20
-
£1,006 GBP
$1,348 USD
View
Most Expensive
B
Brilliant Earth
16461686A · Oct 30
£1,194 GBP
$1,600 USD
View
20 more retailers have this diamond
Prices start from £185 GBPSave up to £1,009 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
£185 GBP