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Round|Lab Grown|IGI

5.51ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG799639396

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799639396

Diamond specifications and retailer prices

From £1,060 GBP
HK$11,100 HKD
As of October 30, 2026
Save £2,062 GBP (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,123 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG799639396 or 799639396. Listed at 12 retailers as of October 30, 2026, with prices from £1,060 to £3,123, a £2,062 spread on the same certified stone. Taylor and Hart lists it at £3,123. 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 angle36.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799639396
Dimensions11.21 × 11.30 × 6.96 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.21 mm11.30 mm5.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799639396
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.8%

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: £1,257 GBP|Low: £925 GBP|High: £3,123 GBP|Avg: £1,861 GBP|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 30, 2026
Retailer 6£1,060 GBP
Retailer 11£1,108 GBP
Retailer 8£1,154 GBP
Retailer 3£1,186 GBP
Retailer 9£1,187 GBP
Retailer 1£1,257 GBP
Retailer 4£1,331 GBP
Retailer 2£1,645 GBP
Retailer 7£2,817 GBP
Retailer 5£2,980 GBP
Retailer 10£3,082 GBP
Taylor and Hart£3,123 GBP

41 data points across 12 retailers

12 retailers£1,060 GBP to £3,123 GBP

A
Cheapest Retailer
-
£1,060 GBP
HK$11,100 HKD
A
Retailer 2
-
£1,108 GBP
$1,485 USD
View
Retailer 3
-
£1,154 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
£1,186 GBP
$1,589 USD
View
B+
Retailer 5
-
£1,187 GBP
$1,590 USD
View
A
Retailer 6
-
£1,257 GBP
View
B+
Retailer 7
-
£1,331 GBP
€1,698 EUR
View
B+
Retailer 8
-
£1,645 GBP
$2,204 USD
View
Retailer 9
-
£2,817 GBP
$3,775 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
£2,980 GBP
View
B
Retailer 11
-
£3,082 GBP
SGD 5,580 SGD
View
Most Expensive
B
Taylor and Hart
2TEPZBX · Oct 30
£3,123 GBP
$4,184 USD
View
11 more retailers have this diamond
Prices start from £1,060 GBPSave up to £2,062 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
£1,060 GBP