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Round|Lab Grown|IGI

5.51ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG610311755

Shape and cutting style on the report: Round brilliant

Certificate IGI LG610311755

Diamond specifications and retailer prices

From £561 GBP
$752 USD
As of October 29, 2026
Save £4,365 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,926 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG610311755 or 610311755. Listed at 17 retailers as of October 29, 2026, with prices from £561 to £4,926, a £4,365 spread on the same certified stone. Brilliant Earth lists it at £4,926. 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

5.51
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610311755
Dimensions11.37 × 11.30 × 6.92 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.37 mm11.30 mm5.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610311755
Side View
Table 58.0%Crown 34.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.0%

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: £4,926 GBP|Low: £536 GBP|High: £4,941 GBP|Avg: £1,520 GBP|-0.3%
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
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Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 5£561 GBP
Retailer 14£610 GBP
Retailer 3£651 GBP
Retailer 17£651 GBP
Retailer 18£856 GBP
Retailer 6£1,003 GBP
Retailer 2£1,042 GBP
Retailer 12£1,049 GBP
Retailer 8£1,053 GBP
Retailer 11£1,067 GBP
Retailer 7£1,475 GBP
Retailer 15£1,547 GBP
Retailer 4£1,829 GBP
Retailer 9£2,199 GBP
Retailer 10£2,245 GBP
Retailer 16£2,569 GBP
Retailer 13£2,728 GBP
Brilliant Earth£4,926 GBP

41 data points across 18 retailers

17 retailers£561 GBP to £4,926 GBP

A
Cheapest Retailer
-
£561 GBP
$752 USD
A
Retailer 2
-
£610 GBP
$818 USD
View
Retailer 3
-
£651 GBP
$872 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
£651 GBP
$872 USD
View
Retailer 5
-
£856 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
£1,003 GBP
$1,344 USD
View
A
Retailer 7
-
£1,042 GBP
View
B+
Retailer 8
-
£1,049 GBP
$1,405 USD
View
B+
Retailer 9
-
£1,053 GBP
$1,411 USD
View
A
Retailer 10
-
£1,067 GBP
€1,361 EUR
View
B+
Retailer 11
-
£1,475 GBP
$1,977 USD
View
B+
Retailer 12
-
£1,547 GBP
$2,073 USD
View
B+
Retailer 13
-
£1,829 GBP
$2,451 USD
View
B
Retailer 14
-
£2,199 GBP
$2,947 USD
View
Retailer 15
-
£2,245 GBP
$3,008 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
£2,569 GBP
View
Most Expensive
B
Brilliant Earth
8717505A · Oct 30
£4,926 GBP
$6,600 USD
View
16 more retailers have this diamond
Prices start from £561 GBPSave up to £4,365 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
5.51ct Round
£561 GBP