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Round|Lab Grown|IGI

5.56ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG592339778

Shape and cutting style on the report: Round brilliant

Certificate IGI LG592339778

Diamond specifications and retailer prices

From £566 GBP
$758 USD
As of October 29, 2026
Save £4,375 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,941 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.56ct lab-grown round diamond

This 5.56ct 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 LG592339778 or 592339778. Listed at 18 retailers as of October 29, 2026, with prices from £566 to £4,941, a £4,375 spread on the same certified stone. Brilliant Earth lists it at £4,941. 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

5.56
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG592339778
Dimensions11.37 × 11.34 × 7.05 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
11.37 mm11.34 mm5.56 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG592339778
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 41°Culet: NoneDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £4,941 GBP|Low: £541 GBP|High: £4,985 GBP|Avg: £1,525 GBP|-0.9%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
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Retailer 11
Retailer 12
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Retailer 19
October 30, 2026
Retailer 4£566 GBP
Retailer 11£605 GBP
Retailer 16£616 GBP
Retailer 17£656 GBP
Retailer 19£656 GBP
Retailer 18£864 GBP
Retailer 2£1,002 GBP
Retailer 5£1,010 GBP
Retailer 14£1,056 GBP
Retailer 7£1,061 GBP
Retailer 12£1,076 GBP
Retailer 6£1,500 GBP
Retailer 15£1,561 GBP
Retailer 3£1,846 GBP
Retailer 8£2,219 GBP
Retailer 9£2,265 GBP
Retailer 13£2,463 GBP
Retailer 10£2,732 GBP
Brilliant Earth£4,941 GBP

40 data points across 19 retailers

18 retailers£566 GBP to £4,941 GBP

A
Cheapest Retailer
-
£566 GBP
$758 USD
A
Retailer 2
-
£616 GBP
$825 USD
View
A
Retailer 3
-
£656 GBP
$879 USD
View
Retailer 4
-
£656 GBP
$879 USD
View
Price last confirmed 13 days ago
Retailer 5
-
£864 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
£1,002 GBP
View
A
Retailer 7
-
£1,010 GBP
$1,353 USD
View
A
Retailer 8
-
£1,056 GBP
$1,415 USD
View
B+
Retailer 9
-
£1,061 GBP
$1,422 USD
View
A
Retailer 10
-
£1,076 GBP
€1,373 EUR
View
B+
Retailer 11
-
£1,500 GBP
$2,010 USD
View
B+
Retailer 12
-
£1,561 GBP
$2,091 USD
View
B+
Retailer 13
-
£1,846 GBP
$2,473 USD
View
B
Retailer 14
-
£2,219 GBP
$2,973 USD
View
Retailer 15
-
£2,265 GBP
$3,035 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
£2,463 GBP
View
Retailer 17
-
£2,732 GBP
$3,660 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
7810505A · Oct 29
£4,941 GBP
$6,620 USD
View
17 more retailers have this diamond
Prices start from £566 GBPSave up to £4,375 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
5.56ct Round
£566 GBP