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Round|Lab Grown|IGI

5.51ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG608358983

Shape and cutting style on the report: Round brilliant

Certificate IGI LG608358983

Diamond specifications and retailer prices

From £1,003 GBP
$1,344 USD
As of October 30, 2026
Save £3,923 GBP (80%) vs most expensive(unlock to see where)
16 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 LG608358983 or 608358983. Listed at 16 retailers as of October 30, 2026, with prices from £1,003 to £4,926, a £3,923 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 angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608358983
Dimensions11.35 × 11.32 × 6.95 mm
L/W Ratio1.00
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
11.35 mm11.32 mm5.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608358983
Side View
Table 59.0%Crown 34.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.3%

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 30
Current: £4,926 GBP|Low: £622 GBP|High: £5,157 GBP|Avg: £1,708 GBP|-4.5%
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
October 31, 2026
Retailer 5£622 GBP
Retailer 10£856 GBP
Retailer 11£1,003 GBP
Retailer 6£1,033 GBP
Retailer 2£1,041 GBP
Retailer 13£1,053 GBP
Retailer 7£1,067 GBP
Retailer 12£1,475 GBP
Retailer 9£1,547 GBP
Retailer 3£2,199 GBP
Retailer 4£2,245 GBP
Retailer 8£2,558 GBP
Brilliant Earth£4,926 GBP

39 data points across 13 retailers

16 retailers£1,003 GBP to £4,926 GBP

Retailer 1
-
£536 GBP
$718 USD
Price last confirmed 35 days ago
Retailer 2
-
£583 GBP
$781 USD
View
Price last confirmed 37 days ago
Retailer 3
-
£613 GBP
$822 USD
View
Price last confirmed 34 days ago
Retailer 4
-
£856 GBP
View
Price last confirmed 14 days ago
A
Retailer 5
-
£1,003 GBP
$1,344 USD
View
A
Retailer 6
-
£1,033 GBP
View
B+
Retailer 7
-
£1,041 GBP
$1,395 USD
View
B+
Retailer 8
-
£1,053 GBP
$1,411 USD
View
A
Retailer 9
-
£1,067 GBP
€1,361 EUR
View
B+
Retailer 10
-
£1,475 GBP
$1,977 USD
View
B+
Retailer 11
-
£1,547 GBP
$2,073 USD
View
Retailer 12
-
£1,749 GBP
$2,343 USD
View
Price last confirmed 33 days ago
B
Retailer 13
-
£2,199 GBP
$2,947 USD
View
Retailer 14
-
£2,245 GBP
$3,008 USD
View
Price last confirmed 12 days ago
B
Retailer 15
-
£2,558 GBP
View
Most Expensive
B
Brilliant Earth
8695080A · Oct 30
£4,926 GBP
$6,600 USD
View
15 more retailers have this diamond
Prices start from £1,003 GBPSave up to £3,923 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
£1,003 GBP