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Round|Lab Grown|IGI

3.07ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG783658443

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783658443

Diamond specifications and retailer prices

From £488 GBP
$654 USD
As of October 29, 2026
Save £5,027 GBP (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £5,515 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.07ct lab-grown round diamond

This 3.07ct 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 LG783658443 or 783658443. Listed at 24 retailers as of October 29, 2026, with prices from £488 to £5,515, a £5,027 spread on the same certified stone. Brilliant Earth lists it at £5,515. 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

3.07
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783658443
Dimensions9.27 × 9.32 × 5.77 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
9.27 mm9.32 mm3.07 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783658443
Side View
Table 57.0%Crown 35.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

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: £5,515 GBP|Low: £468 GBP|High: £6,209 GBP|Avg: £1,599 GBP|-11.2%
Brilliant Earth
Retailer 2
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Retailer 18
October 31, 2026
Retailer 4£488 GBP
Retailer 3£531 GBP
Retailer 5£566 GBP
Retailer 13£692 GBP
Retailer 8£851 GBP
Retailer 18£851 GBP
Retailer 14£899 GBP
Retailer 15£921 GBP
Retailer 12£964 GBP
Retailer 11£1,278 GBP
Retailer 2£1,302 GBP
Retailer 17£1,314 GBP
Retailer 9£1,569 GBP
Retailer 6£1,591 GBP
Retailer 10£1,826 GBP
Retailer 16£2,396 GBP
Retailer 7£4,280 GBP
Brilliant Earth£5,515 GBP

26 data points across 18 retailers

24 retailers£488 GBP to £5,515 GBP

A
Cheapest Retailer
-
£488 GBP
$654 USD
A
Retailer 2
-
£531 GBP
$711 USD
View
A
Retailer 3
-
£566 GBP
$758 USD
View
Retailer 4
-
£566 GBP
$758 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
£692 GBP
View
A
Retailer 6
-
£850 GBP
$1,139 USD
View
A
Retailer 7
-
£851 GBP
$1,140 USD
View
A
Retailer 8
-
£851 GBP
$1,140 USD
View
A
Retailer 9
-
£899 GBP
View
A
Retailer 10
-
£921 GBP
€1,175 EUR
View
A
Retailer 11
-
£964 GBP
$1,292 USD
View
Final sale: no returns
A
Retailer 12
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£1,278 GBP
A$2,634 AUD
View
A
Retailer 13
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£1,302 GBP
$1,745 USD
View
A
Retailer 14
-
£1,314 GBP
ZAR 28,437 ZAR
View
A
Retailer 15
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£1,433 GBP
$1,920 USD
View
A
Retailer 16
-
£1,569 GBP
$2,102 USD
View
A
Retailer 17
-
£1,591 GBP
$2,132 USD
View
A
Retailer 18
-
£1,826 GBP
$2,447 USD
View
A
Retailer 19
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£1,930 GBP
$2,586 USD
View
A
Retailer 20
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£1,952 GBP
$2,616 USD
View
A
Retailer 21
-
£1,971 GBP
$2,641 USD
View
B+
Retailer 22
-
£2,396 GBP
View
Retailer 23
-
£4,280 GBP
$5,735 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
18328254A · Oct 30
£5,515 GBP
$7,390 USD
View
23 more retailers have this diamond
Prices start from £488 GBPSave up to £5,027 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
3.07ct Round
£488 GBP