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Round|Lab Grown|IGI

3.09ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG749555750

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749555750

Diamond specifications and retailer prices

From £498 GBP
$663 USD
As of October 29, 2026
Save £4,669 GBP (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £8,072 GBP at Brilliant Earth · As of September 22, 2026
View at Brilliant Earth

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG749555750 or 749555750. Listed at 18 retailers as of October 29, 2026, with a 938% 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

3.09
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749555750
Dimensions9.33 × 9.40 × 5.77 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
9.33 mm9.40 mm3.09 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749555750
Side View
Table 56.0%Crown 33.5°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.6%

Caratlytics Score

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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: £8,072 GBP|Low: £396 GBP|High: £8,072 GBP|Avg: £2,289 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 7£498 GBP
Retailer 15£542 GBP
Retailer 3£595 GBP
Retailer 17£817 GBP
Retailer 4£831 GBP
Retailer 5£837 GBP
Retailer 11£837 GBP
Retailer 2£994 GBP
Retailer 8£1,430 GBP
Retailer 12£1,437 GBP
Retailer 13£1,793 GBP
Retailer 14£2,108 GBP
Retailer 10£2,519 GBP
Retailer 9£3,267 GBP
Retailer 16£4,423 GBP
Retailer 6£5,167 GBP
Brilliant Earth£8,072 GBP

39 data points across 17 retailers

18 retailers£498 GBP to £5,167 GBP

A
Cheapest Retailer
-
£498 GBP
$663 USD
A
Retailer 2
-
£542 GBP
$722 USD
View
A
Retailer 3
-
£595 GBP
$793 USD
View
Final sale: no returns
A
Retailer 4
-
£817 GBP
$1,088 USD
View
A
Retailer 5
-
£831 GBP
$1,106 USD
View
A
Retailer 6
-
£837 GBP
$1,114 USD
View
A
Retailer 7
-
£837 GBP
$1,115 USD
View
A
Retailer 8
-
£994 GBP
€1,261 EUR
View
Retailer 9
-
£1,396 GBP
$1,859 USD
View
Price last confirmed 44 days ago
Retailer 10
-
£1,430 GBP
A$2,930 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£1,437 GBP
$1,913 USD
View
B+
Retailer 12
-
£1,793 GBP
$2,388 USD
View
B
Retailer 13
-
£2,108 GBP
$2,807 USD
View
B+
Retailer 14
-
£2,519 GBP
View
Retailer 15
-
£3,267 GBP
$4,350 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
£4,423 GBP
$5,890 USD
View
B
Retailer 17
-
£5,167 GBP
$6,881 USD
View
Most Expensive
Brilliant Earth
21406589Y · Sep 22
£8,072 GBP
$10,750 USD
View
Price under review
17 more retailers have this diamond
Prices start from £498 GBPSave up to £4,669 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
3.09ct Round
£498 GBP