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Round|Lab Grown|IGI

3.07ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG758580448

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758580448

Diamond specifications and retailer prices

From £284 GBP
As of November 5, 2026
Save £1,871 GBP (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,155 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 3.07ct lab-grown round diamond

This 3.07ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG758580448 or 758580448. Listed at 20 retailers as of November 5, 2026, with prices from £284 to £2,155, a £1,871 spread on the same certified stone. Do Amore Diamonds lists it at £2,155. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.07
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758580448
Dimensions9.29 × 9.26 × 5.76 mm
L/W Ratio1.00
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 mm9.26 mm3.07 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758580448
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.8°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: Nov 5
Current: £2,155 GBP|Low: £282 GBP|High: £2,348 GBP|Avg: £927 GBP|-8.2%
Do Amore Diamonds
Retailer 2
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Retailer 19
November 6, 2026
Retailer 9£284 GBP
Retailer 5£318 GBP
Retailer 17£352 GBP
Retailer 18£352 GBP
Retailer 16£464 GBP
Retailer 8£468 GBP
Retailer 2£519 GBP
Retailer 19£559 GBP
Retailer 12£632 GBP
Retailer 7£636 GBP
Retailer 6£853 GBP
Retailer 10£1,075 GBP
Retailer 14£1,237 GBP
Retailer 3£1,250 GBP
Retailer 4£1,363 GBP
Retailer 13£1,424 GBP
Retailer 15£1,552 GBP
Retailer 11£1,575 GBP
Do Amore Diamonds£2,155 GBP

41 data points across 19 retailers

20 retailers£284 GBP to £2,155 GBP

A
Cheapest Retailer
-
£284 GBP
A
Retailer 2
-
£318 GBP
View
A
Retailer 3
-
£352 GBP
View
Retailer 4
-
£352 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£464 GBP
View
B+
Retailer 6
-
£468 GBP
View
A
Retailer 7
-
£519 GBP
View
A
Retailer 8
-
£559 GBP
View
A
Retailer 9
-
£632 GBP
View
A
Retailer 10
-
£636 GBP
View
B+
Retailer 11
-
£853 GBP
View
B+
Retailer 12
-
£1,075 GBP
View
B
Retailer 13
-
£1,237 GBP
View
B+
Retailer 14
-
£1,250 GBP
View
B
Retailer 15
-
£1,363 GBP
View
B
Retailer 16
-
£1,424 GBP
View
Retailer 17
-
£1,464 GBP
View
Price last confirmed 68 days ago
B
Retailer 18
-
£1,552 GBP
View
B
Retailer 19
-
£1,575 GBP
View
Most Expensive
B
Do Amore Diamonds
25-9153103-012 · Nov 6
£2,155 GBP
$2,900 USD
View
19 more retailers have this diamond
Prices start from £284 GBPSave up to £1,871 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
£284 GBP