Asscher|Lab Grown|IGI

3.03ct G VS1 Asscher Lab Grown Diamond

EX • G/VS1 • IGI LG839606310

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG839606310

Diamond specifications and retailer prices

From £334 GBP
$448 USD
As of October 31, 2026
Save £1,778 GBP (84%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,224 GBP at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 3.03ct lab-grown asscher diamond

This 3.03ct lab-grown asscher sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839606310 or 839606310. Listed at 5 retailers as of October 31, 2026, with a 532% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.03
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839606310
Dimensions7.89 × 7.84 × 5.42 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.89 mm7.84 mm3.03 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839606310
Side View
Table 63.0%Crown 38.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 69.1%

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 31
Current: £334 GBP|Low: £334 GBP|High: £2,113 GBP|Avg: £1,008 GBP|-4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 28, 2026
Retailer 1£334 GBP
Retailer 3£473 GBP
Retailer 5£635 GBP
Retailer 4£1,526 GBP
Retailer 2£2,113 GBP

12 data points across 5 retailers

5 retailers£334 GBP to £2,113 GBP

A
Cheapest Retailer
-
£334 GBP
$448 USD
Final sale: no returns
B+
Retailer 2
-
£473 GBP
$634 USD
View
B+
Retailer 3
-
£1,526 GBP
$2,045 USD
View
B
Retailer 4
-
£2,113 GBP
$2,831 USD
View
Most Expensive
Brilliant Earth
21552477A · Sep 28
£2,224 GBP
$2,980 USD
View
Price last confirmed 34 days ago
4 more retailers have this diamond
Prices start from £334 GBPSave up to £1,778 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
3.03ct Asscher
£334 GBP