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Round|Lab Grown|IGI

3.51ct H VVS2 Round Lab Grown Diamond

ID • H/VVS2 • IGI LG625488960

Shape and cutting style on the report: Round brilliant

Certificate IGI LG625488960

Diamond specifications and retailer prices

From £379 GBP
$505 USD
As of October 29, 2026
Save £3,924 GBP (91%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,303 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 H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG625488960 or 625488960. Listed at 19 retailers as of October 29, 2026, with prices from £379 to £4,303, a £3,924 spread on the same certified stone. Brilliant Earth lists it at £4,303. 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
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625488960
Dimensions9.70 × 9.63 × 6.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.70 mm9.63 mm3.51 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625488960
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.9°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: Oct 29
Current: £4,303 GBP|Low: £303 GBP|High: £4,340 GBP|Avg: £1,389 GBP|+34.8%
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
October 30, 2026
Retailer 3£425 GBP
Retailer 12£425 GBP
Retailer 9£574 GBP
Retailer 14£623 GBP
Retailer 15£697 GBP
Retailer 4£729 GBP
Retailer 2£1,097 GBP
Retailer 8£1,128 GBP
Retailer 11£1,214 GBP
Retailer 5£1,618 GBP
Retailer 6£1,772 GBP
Retailer 13£1,844 GBP
Retailer 10£2,258 GBP
Retailer 7£3,372 GBP
Brilliant Earth£4,303 GBP

29 data points across 15 retailers

19 retailers£379 GBP to £4,303 GBP

A
Cheapest Retailer
-
£379 GBP
$505 USD
A
Retailer 2
-
£425 GBP
$566 USD
View
Final sale: no returns
A
Retailer 3
-
£425 GBP
$566 USD
View
Retailer 4
-
£471 GBP
$627 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£471 GBP
$627 USD
View
A
Retailer 6
-
£574 GBP
$765 USD
View
B+
Retailer 7
-
£623 GBP
$830 USD
View
A
Retailer 8
-
£697 GBP
$928 USD
View
A
Retailer 9
-
£729 GBP
$971 USD
View
B+
Retailer 10
-
£1,097 GBP
A$2,247 AUD
View
B+
Retailer 11
-
£1,128 GBP
ZAR 24,269 ZAR
View
B+
Retailer 12
-
£1,214 GBP
$1,617 USD
View
B+
Retailer 13
-
£1,366 GBP
$1,819 USD
View
B
Retailer 14
-
£1,618 GBP
$2,154 USD
View
B
Retailer 15
-
£1,772 GBP
$2,360 USD
View
Retailer 16
-
£1,844 GBP
$2,455 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
£2,258 GBP
View
B
Retailer 18
-
£3,372 GBP
$4,490 USD
View
Most Expensive
B
Brilliant Earth
16295790A · Oct 29
£4,303 GBP
$5,730 USD
View
18 more retailers have this diamond
Prices start from £379 GBPSave up to £3,924 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
£379 GBP