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Round|Lab Grown|IGI

3.51ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG749551251

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749551251

Diamond specifications and retailer prices

From £641 GBP
$859 USD
As of October 30, 2026
Save £1,762 GBP (73%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,403 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.51ct lab-grown round diamond

This 3.51ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG749551251 or 749551251. Listed at 8 retailers as of October 29, 2026, with prices from £641 to £2,403, a £1,762 spread on the same certified stone. Brilliant Earth lists it at £2,403. 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

3.51
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749551251
Dimensions9.73 × 9.66 × 6.05 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
9.73 mm9.66 mm3.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749551251
Side View
Table 57.0%Crown 33.4°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.3%

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 30
Current: £2,403 GBP|Low: £549 GBP|High: £2,403 GBP|Avg: £1,012 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2£641 GBP
Retailer 3£671 GBP
Retailer 4£686 GBP
Retailer 6£702 GBP
Retailer 7£867 GBP
Retailer 8£1,337 GBP
Retailer 5£1,508 GBP
Brilliant Earth£2,403 GBP

42 data points across 8 retailers

8 retailers£641 GBP to £2,403 GBP

B+
Cheapest Retailer
-
£641 GBP
$859 USD
A
Retailer 2
-
£671 GBP
View
A
Retailer 3
-
£686 GBP
€876 EUR
View
A
Retailer 4
-
£702 GBP
$940 USD
View
A
Retailer 5
-
£867 GBP
$1,162 USD
View
B+
Retailer 6
-
£1,337 GBP
$1,792 USD
View
B+
Retailer 7
-
£1,508 GBP
View
Most Expensive
B
Brilliant Earth
20292007A · Oct 29
£2,403 GBP
$3,220 USD
View
7 more retailers have this diamond
Prices start from £641 GBPSave up to £1,762 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
3.51ct Round
£641 GBP