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Round|Lab Grown|IGI

3.03ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG623405881

Shape and cutting style on the report: Round brilliant

Certificate IGI LG623405881

Diamond specifications and retailer prices

From £331 GBP
$441 USD
As of October 29, 2026
Save £2,297 GBP (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,628 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.03ct lab-grown round diamond

This 3.03ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG623405881 or 623405881. Listed at 15 retailers as of October 29, 2026, with prices from £331 to £2,628, a £2,297 spread on the same certified stone. Do Amore Diamonds lists it at £2,628. 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
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623405881
Dimensions9.24 × 9.21 × 5.72 mm
L/W Ratio1.00
Girdle conditionFaceted
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
9.24 mm9.21 mm3.03 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623405881
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.9%

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 29
Current: £2,628 GBP|Low: £244 GBP|High: £2,628 GBP|Avg: £1,087 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 10£331 GBP
Retailer 5£582 GBP
Retailer 9£582 GBP
Retailer 11£595 GBP
Retailer 12£607 GBP
Retailer 2£879 GBP
Retailer 8£1,030 GBP
Retailer 7£1,318 GBP
Retailer 3£1,415 GBP
Retailer 6£1,496 GBP
Retailer 4£1,682 GBP
Do Amore Diamonds£2,628 GBP

22 data points across 12 retailers

15 retailers£331 GBP to £2,628 GBP

A
Cheapest Retailer
-
£331 GBP
$441 USD
Final sale: no returns
Retailer 2
-
£367 GBP
$489 USD
View
Price last confirmed 27 days ago
A
Retailer 3
-
£367 GBP
$489 USD
View
B+
Retailer 4
-
£582 GBP
$775 USD
View
A
Retailer 5
-
£582 GBP
$775 USD
View
A
Retailer 6
-
£595 GBP
$793 USD
View
A
Retailer 7
-
£607 GBP
$808 USD
View
B+
Retailer 8
-
£879 GBP
ZAR 18,918 ZAR
View
B+
Retailer 9
-
£1,030 GBP
$1,371 USD
View
B
Retailer 10
-
£1,302 GBP
$1,734 USD
View
Retailer 11
-
£1,302 GBP
$1,734 USD
View
Price last confirmed 22 days ago
B
Retailer 12
-
£1,318 GBP
$1,755 USD
View
B
Retailer 13
-
£1,415 GBP
$1,885 USD
View
B
Retailer 14
-
£1,496 GBP
View
Most Expensive
B
Do Amore Diamonds
27-2839BE437 · Oct 30
£2,628 GBP
$3,500 USD
View
14 more retailers have this diamond
Prices start from £331 GBPSave up to £2,297 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 Round
£331 GBP