Asscher|Lab Grown|IGI

12.03ct G VS1 Asscher Lab Grown Diamond

ID • G/VS1 • IGI LG704517038

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG704517038

Diamond specifications and retailer prices

From £1,539 GBP
As of October 30, 2026
Save £13,044 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £14,583 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.03ct lab-grown asscher diamond

This 12.03ct lab-grown asscher sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG704517038 or 704517038. Listed at 22 retailers as of October 30, 2026, with prices from £1,539 to £14,583, a £13,044 spread on the same certified stone. Brilliant Earth lists it at £14,583. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

12.03
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.1°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704517038
Dimensions12.72 × 12.63 × 7.97 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.72 mm12.63 mm12.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704517038
Side View
Table 70.0%Crown 29.1°Girdle: ThickPavilion 41.5°Culet: NoneDepth 63.1%

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 30
Current: £14,583 GBP|Low: £1,534 GBP|High: £14,583 GBP|Avg: £3,918 GBP
Brilliant Earth
Retailer 2
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October 31, 2026
Retailer 13£1,539 GBP
Retailer 12£1,647 GBP
Retailer 5£1,792 GBP
Retailer 9£1,844 GBP
Retailer 11£1,911 GBP
Retailer 16£2,034 GBP
Retailer 4£2,626 GBP
Retailer 2£2,630 GBP
Retailer 19£2,665 GBP
Retailer 3£2,732 GBP
Retailer 14£2,958 GBP
Retailer 20£2,994 GBP
Retailer 15£3,354 GBP
Retailer 17£3,546 GBP
Retailer 6£3,628 GBP
Retailer 18£5,101 GBP
Retailer 10£5,406 GBP
Retailer 7£6,337 GBP
Retailer 8£6,677 GBP
Brilliant Earth£14,583 GBP

30 data points across 20 retailers

22 retailers£1,539 GBP to £14,583 GBP

A
Cheapest Retailer
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£1,539 GBP
A
Retailer 2
-
£1,647 GBP
$2,207 USD
View
A
Retailer 3
-
£1,792 GBP
$2,401 USD
View
A
Retailer 4
-
£1,844 GBP
$2,471 USD
View
Final sale: no returns
Retailer 5
-
£1,911 GBP
$2,560 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
£1,911 GBP
$2,560 USD
View
A
Retailer 7
-
£2,034 GBP
$2,725 USD
View
A
Retailer 8
-
£2,626 GBP
$3,519 USD
View
A
Retailer 9
-
£2,630 GBP
View
A
Retailer 10
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£2,665 GBP
HK$27,900 HKD
View
A
Retailer 11
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£2,732 GBP
$3,660 USD
View
A
Retailer 12
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£2,958 GBP
ZAR 64,021 ZAR
View
A
Retailer 13
-
£2,994 GBP
$4,012 USD
View
A
Retailer 14
-
£3,354 GBP
€4,280 EUR
View
Retailer 15
-
£3,546 GBP
A$7,309 AUD
View
Price last confirmed 9 days ago
A
Retailer 16
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£3,628 GBP
View
A
Retailer 17
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£3,743 GBP
CA$6,965 CAD
View
B+
Retailer 18
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£5,101 GBP
$6,835 USD
View
B+
Retailer 19
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£5,406 GBP
$7,244 USD
View
B+
Retailer 20
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£6,337 GBP
$8,491 USD
View
B
Retailer 21
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£6,677 GBP
$8,946 USD
View
Most Expensive
B
Brilliant Earth
16043497A · Oct 31
£14,583 GBP
$19,540 USD
View
21 more retailers have this diamond
Prices start from £1,539 GBPSave up to £13,044 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
12.03ct Asscher
£1,539 GBP