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Round|Lab Grown|IGI

3.06ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG682503688

Shape and cutting style on the report: Round brilliant

Certificate IGI LG682503688

Diamond specifications and retailer prices

From £583 GBP
$776 USD
As of October 29, 2026
Save £7,970 GBP (93%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: £8,553 GBP at Brilliant Earth · As of October 29, 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 LG682503688 or 682503688. Listed at 29 retailers as of October 29, 2026, with prices from £583 to £8,553, a £7,970 spread on the same certified stone. Brilliant Earth lists it at £8,553. 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 angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG682503688
Dimensions9.29 × 9.37 × 5.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
9.29 mm9.37 mm3.06 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG682503688
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.4%

Caratlytics Score

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A+
Exceptional
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: £8,553 GBP|Low: £559 GBP|High: £8,553 GBP|Avg: £1,826 GBP
Brilliant Earth
Retailer 2
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Retailer 24
October 30, 2026
Retailer 3£583 GBP
Retailer 15£652 GBP
Retailer 9£676 GBP
Retailer 10£676 GBP
Retailer 20£788 GBP
Retailer 7£900 GBP
Retailer 2£1,031 GBP
Retailer 24£1,045 GBP
Retailer 21£1,048 GBP
Retailer 13£1,077 GBP
Retailer 22£1,494 GBP
Retailer 23£1,526 GBP
Retailer 19£1,570 GBP
Retailer 8£1,595 GBP
Retailer 12£1,601 GBP
Retailer 5£1,901 GBP
Retailer 6£2,156 GBP
Retailer 16£2,276 GBP
Retailer 11£2,277 GBP
Retailer 14£2,336 GBP
Retailer 17£2,419 GBP
Retailer 18£2,548 GBP
Retailer 4£3,501 GBP
Brilliant Earth£8,553 GBP

32 data points across 24 retailers

29 retailers£583 GBP to £8,553 GBP

A+
Cheapest Retailer
-
£583 GBP
$776 USD
Retailer 2
-
£614 GBP
$818 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
£652 GBP
$868 USD
View
Final sale: no returns
A
Retailer 4
-
£676 GBP
$900 USD
View
Retailer 5
-
£676 GBP
$900 USD
View
Price last confirmed 12 days ago
Retailer 6
-
£703 GBP
$936 USD
View
Price last confirmed 38 days ago
A
Retailer 7
-
£788 GBP
HK$8,200 HKD
View
A
Retailer 8
-
£900 GBP
$1,198 USD
View
A
Retailer 9
-
£1,031 GBP
View
A
Retailer 10
-
£1,045 GBP
$1,392 USD
View
A
Retailer 11
-
£1,048 GBP
$1,395 USD
View
A
Retailer 12
-
£1,077 GBP
€1,366 EUR
View
A
Retailer 13
-
£1,494 GBP
$1,989 USD
View
Retailer 14
-
£1,526 GBP
A$3,126 AUD
View
Price last confirmed 8 days ago
A
Retailer 15
-
£1,570 GBP
ZAR 33,775 ZAR
View
A
Retailer 16
-
£1,595 GBP
A$3,268 AUD
View
A
Retailer 17
-
£1,601 GBP
$2,132 USD
View
A
Retailer 18
-
£1,901 GBP
$2,532 USD
View
Retailer 19
-
£2,003 GBP
$2,667 USD
View
Price last confirmed 38 days ago
A
Retailer 20
-
£2,156 GBP
$2,871 USD
View
A
Retailer 21
-
£2,276 GBP
SGD 4,095 SGD
View
B+
Retailer 22
-
£2,277 GBP
$3,032 USD
View
A
Retailer 23
-
£2,286 GBP
$3,044 USD
View
B+
Retailer 24
-
£2,336 GBP
$3,111 USD
View
B+
Retailer 25
-
£2,419 GBP
$3,221 USD
View
B+
Retailer 26
-
£2,548 GBP
View
Retailer 27
-
£3,501 GBP
A$7,172 AUD
View
Price last confirmed 21 days ago
Retailer 28
-
£4,559 GBP
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
14268187A · Oct 29
£8,553 GBP
$11,390 USD
View
28 more retailers have this diamond
Prices start from £583 GBPSave up to £7,970 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
£583 GBP