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Round|Lab Grown|IGI

3.06ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG638428433

Shape and cutting style on the report: Round brilliant

Certificate IGI LG638428433

Diamond specifications and retailer prices

From £335 GBP
$446 USD
As of October 29, 2026
Save £2,316 GBP (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,651 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.06ct lab-grown round diamond

This 3.06ct 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 LG638428433 or 638428433. Listed at 16 retailers as of October 29, 2026, with prices from £335 to £2,651, a £2,316 spread on the same certified stone. Do Amore Diamonds lists it at £2,651. 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

3.06
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638428433
Dimensions9.29 × 9.23 × 5.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.29 mm9.23 mm3.06 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638428433
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.1%

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 29
Current: £2,651 GBP|Low: £335 GBP|High: £2,651 GBP|Avg: £1,044 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£335 GBP
Retailer 9£587 GBP
Retailer 5£589 GBP
Retailer 11£599 GBP
Retailer 12£617 GBP
Retailer 4£864 GBP
Retailer 2£888 GBP
Retailer 8£1,039 GBP
Retailer 7£1,329 GBP
Retailer 3£1,427 GBP
Retailer 6£1,504 GBP
Do Amore Diamonds£2,651 GBP

24 data points across 12 retailers

16 retailers£335 GBP to £2,651 GBP

A
Cheapest Retailer
-
£335 GBP
$446 USD
Final sale: no returns
A
Retailer 2
-
£370 GBP
$493 USD
View
Retailer 3
-
£370 GBP
$493 USD
View
Price last confirmed 27 days ago
B+
Retailer 4
-
£587 GBP
$782 USD
View
A
Retailer 5
-
£589 GBP
$785 USD
View
A
Retailer 6
-
£599 GBP
$798 USD
View
A
Retailer 7
-
£617 GBP
$822 USD
View
B+
Retailer 8
-
£888 GBP
ZAR 19,094 ZAR
View
B+
Retailer 9
-
£1,039 GBP
$1,384 USD
View
Retailer 10
-
£1,314 GBP
$1,750 USD
View
Price last confirmed 22 days ago
B
Retailer 11
-
£1,314 GBP
$1,750 USD
View
B
Retailer 12
-
£1,329 GBP
$1,770 USD
View
Retailer 13
-
£1,344 GBP
$1,790 USD
View
Price last confirmed 26 days ago
B
Retailer 14
-
£1,427 GBP
$1,900 USD
View
B
Retailer 15
-
£1,504 GBP
View
Most Expensive
B
Do Amore Diamonds
27-8C67F6FAA · Oct 30
£2,651 GBP
$3,530 USD
View
15 more retailers have this diamond
Prices start from £335 GBPSave up to £2,316 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
3.06ct Round
£335 GBP