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Round|Lab Grown|IGI

3.06ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG638428434

Shape and cutting style on the report: Round brilliant

Certificate IGI LG638428434

Diamond specifications and retailer prices

From £333 GBP
$446 USD
As of October 29, 2026
Save £2,302 GBP (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,635 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 LG638428434 or 638428434. Listed at 16 retailers as of October 29, 2026, with prices from £333 to £2,635, a £2,302 spread on the same certified stone. Do Amore Diamonds lists it at £2,635. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638428434
Dimensions9.21 × 9.14 × 5.80 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
9.21 mm9.14 mm3.06 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638428434
Side View
Table 58.0%Crown 35.9°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

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: £2,635 GBP|Low: £245 GBP|High: £2,635 GBP|Avg: £990 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 29, 2026
Retailer 10£333 GBP
Retailer 8£489 GBP
Retailer 4£495 GBP
Retailer 9£584 GBP
Retailer 11£596 GBP
Retailer 12£613 GBP
Retailer 5£882 GBP
Retailer 7£1,033 GBP
Retailer 6£1,321 GBP
Retailer 3£1,418 GBP
Retailer 2£1,500 GBP
Do Amore Diamonds£2,635 GBP

22 data points across 12 retailers

16 retailers£333 GBP to £2,635 GBP

A
Cheapest Retailer
-
£333 GBP
$446 USD
Final sale: no returns
Retailer 2
-
£368 GBP
$493 USD
View
Price last confirmed 28 days ago
A
Retailer 3
-
£368 GBP
$493 USD
View
Retailer 4
-
£368 GBP
$493 USD
View
Price last confirmed 23 days ago
A
Retailer 5
-
£489 GBP
$655 USD
View
B+
Retailer 6
-
£584 GBP
$782 USD
View
A
Retailer 7
-
£596 GBP
$798 USD
View
A
Retailer 8
-
£613 GBP
$822 USD
View
B+
Retailer 9
-
£882 GBP
ZAR 19,094 ZAR
View
B+
Retailer 10
-
£1,033 GBP
$1,384 USD
View
Retailer 11
-
£1,306 GBP
$1,750 USD
View
Price last confirmed 30 days ago
B
Retailer 12
-
£1,306 GBP
$1,750 USD
View
B
Retailer 13
-
£1,321 GBP
$1,770 USD
View
B
Retailer 14
-
£1,418 GBP
$1,900 USD
View
B
Retailer 15
-
£1,500 GBP
View
Most Expensive
B
Do Amore Diamonds
27-A9C1D8CAE · Oct 30
£2,635 GBP
$3,530 USD
View
15 more retailers have this diamond
Prices start from £333 GBPSave up to £2,302 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
£333 GBP