Round|Lab Grown|IGI

3.07ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG749570621

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749570621

Diamond specifications and retailer prices

From £301 GBP
$403 USD
As of October 29, 2026
Save £1,164 GBP (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,761 GBP at Brilliant Earth · As of October 16, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG749570621 or 749570621. Listed at 21 retailers as of October 29, 2026, with a 387% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749570621
Dimensions9.29 × 9.36 × 5.74 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
9.29 mm9.36 mm3.07 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749570621
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.5%

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: £2,761 GBP|Low: £298 GBP|High: £2,761 GBP|Avg: £878 GBP
Brilliant Earth
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November 1, 2026
Retailer 10£301 GBP
Retailer 15£337 GBP
Retailer 20£337 GBP
Retailer 4£372 GBP
Retailer 6£372 GBP
Retailer 7£590 GBP
Retailer 19£593 GBP
Retailer 5£600 GBP
Retailer 2£611 GBP
Retailer 14£621 GBP
Retailer 3£778 GBP
Retailer 16£784 GBP
Retailer 18£809 GBP
Retailer 9£937 GBP
Retailer 11£1,199 GBP
Retailer 12£1,225 GBP
Retailer 8£1,374 GBP
Retailer 13£1,396 GBP
Retailer 17£1,464 GBP
Brilliant Earth£2,761 GBP

38 data points across 20 retailers

21 retailers£301 GBP to £1,464 GBP

A
Cheapest Retailer
-
£301 GBP
$403 USD
A
Retailer 2
-
£337 GBP
$451 USD
View
Final sale: no returns
A
Retailer 3
-
£337 GBP
$451 USD
View
A
Retailer 4
-
£372 GBP
$499 USD
View
Retailer 5
-
£372 GBP
$499 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
£590 GBP
$791 USD
View
A
Retailer 7
-
£593 GBP
$795 USD
View
A
Retailer 8
-
£600 GBP
$804 USD
View
A
Retailer 9
-
£611 GBP
View
A
Retailer 10
-
£621 GBP
€793 EUR
View
A
Retailer 11
-
£778 GBP
$1,042 USD
View
A
Retailer 12
-
£784 GBP
A$1,617 AUD
View
A
Retailer 13
-
£809 GBP
ZAR 17,515 ZAR
View
B+
Retailer 14
-
£937 GBP
$1,256 USD
View
B+
Retailer 15
-
£1,199 GBP
$1,606 USD
View
B+
Retailer 16
-
£1,225 GBP
$1,641 USD
View
B+
Retailer 17
-
£1,361 GBP
$1,824 USD
View
B
Retailer 18
-
£1,374 GBP
$1,841 USD
View
B
Retailer 19
-
£1,396 GBP
$1,870 USD
View
B
Retailer 20
-
£1,464 GBP
View
Most Expensive
Brilliant Earth
18184853A · Oct 16
£2,761 GBP
$3,700 USD
View
Price last confirmed 16 days ago
20 more retailers have this diamond
Prices start from £301 GBPSave up to £1,164 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
£301 GBP