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Round|Lab Grown|IGI

3.06ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG735582320

Shape and cutting style on the report: Round brilliant

Certificate IGI LG735582320

Diamond specifications and retailer prices

From £553 GBP
$741 USD
As of October 29, 2026
Save £5,127 GBP (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £5,680 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.06ct lab-grown round diamond

This 3.06ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735582320 or 735582320. Listed at 27 retailers as of October 29, 2026, with prices from £553 to £5,680, a £5,127 spread on the same certified stone. Brilliant Earth lists it at £5,680. 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
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735582320
Dimensions9.33 × 9.38 × 5.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.33 mm9.38 mm3.06 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735582320
Side View
Table 57.0%Crown 32.9°Girdle: MediumPavilion 41°Culet: NoneDepth 61.1%

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 29
Current: £5,680 GBP|Low: £553 GBP|High: £6,568 GBP|Avg: £1,990 GBP|-13.5%
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 3£553 GBP
Retailer 27£602 GBP
Retailer 7£641 GBP
Retailer 24£699 GBP
Retailer 17£865 GBP
Retailer 6£868 GBP
Retailer 25£917 GBP
Retailer 9£1,052 GBP
Retailer 10£1,066 GBP
Retailer 2£1,083 GBP
Retailer 21£1,132 GBP
Retailer 12£1,231 GBP
Retailer 8£1,580 GBP
Retailer 26£1,597 GBP
Retailer 13£1,644 GBP
Retailer 23£1,663 GBP
Retailer 19£1,809 GBP
Retailer 4£1,990 GBP
Retailer 14£2,161 GBP
Retailer 15£2,168 GBP
Retailer 18£2,528 GBP
Retailer 20£2,652 GBP
Retailer 22£2,658 GBP
Retailer 11£3,485 GBP
Retailer 5£4,030 GBP
Retailer 16£4,911 GBP
Brilliant Earth£5,680 GBP

29 data points across 27 retailers

27 retailers£553 GBP to £5,680 GBP

A
Cheapest Retailer
-
£553 GBP
$741 USD
A
Retailer 2
-
£602 GBP
$806 USD
View
A
Retailer 3
-
£641 GBP
$859 USD
View
A
Retailer 4
-
£699 GBP
$936 USD
View
Final sale: no returns
A
Retailer 5
-
£865 GBP
$1,159 USD
View
Retailer 6
-
£868 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
£917 GBP
HK$9,600 HKD
View
A
Retailer 8
-
£1,052 GBP
$1,410 USD
View
A
Retailer 9
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£1,066 GBP
$1,428 USD
View
A
Retailer 10
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£1,083 GBP
View
A
Retailer 11
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£1,132 GBP
€1,445 EUR
View
A
Retailer 12
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£1,231 GBP
$1,649 USD
View
A
Retailer 13
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£1,580 GBP
$2,117 USD
View
Retailer 14
-
£1,597 GBP
A$3,293 AUD
View
Price last confirmed 9 days ago
A
Retailer 15
-
£1,644 GBP
ZAR 35,584 ZAR
View
A
Retailer 16
-
£1,663 GBP
A$3,428 AUD
View
A
Retailer 17
-
£1,809 GBP
$2,424 USD
View
A
Retailer 18
-
£1,990 GBP
$2,667 USD
View
B+
Retailer 19
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£2,161 GBP
$2,895 USD
View
B+
Retailer 20
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£2,168 GBP
$2,905 USD
View
B+
Retailer 21
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£2,528 GBP
$3,388 USD
View
B+
Retailer 22
-
£2,652 GBP
SGD 4,802 SGD
View
B+
Retailer 23
-
£2,658 GBP
View
Retailer 24
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£3,485 GBP
A$7,183 AUD
View
Price last confirmed 25 days ago
Retailer 25
-
£4,030 GBP
$5,400 USD
View
Price last confirmed 9 days ago
B
Retailer 26
-
£4,911 GBP
$6,580 USD
View
Most Expensive
B
Brilliant Earth
21476045Y · Oct 30
£5,680 GBP
$7,610 USD
View
26 more retailers have this diamond
Prices start from £553 GBPSave up to £5,127 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
£553 GBP