CaratHunter
Plans
Round|Lab Grown|IGI

5.57ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG770608521

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770608521

Diamond specifications and retailer prices

From £516 GBP
$692 USD
As of October 29, 2026
Save £2,947 GBP (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,463 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.57ct lab-grown round diamond

This 5.57ct 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 LG770608521 or 770608521. Listed at 22 retailers as of October 29, 2026, with prices from £516 to £3,463, a £2,947 spread on the same certified stone. Brilliant Earth lists it at £3,463. 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

5.57
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770608521
Dimensions11.42 × 11.48 × 6.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.42 mm11.48 mm5.57 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770608521
Side View
Table 57.0%Crown 33.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.1%

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: £3,463 GBP|Low: £516 GBP|High: £3,470 GBP|Avg: £1,432 GBP|-0.2%
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
Retailer 16
Retailer 17
November 1, 2026
Retailer 3£516 GBP
Retailer 15£562 GBP
Retailer 12£599 GBP
Retailer 17£614 GBP
Retailer 5£731 GBP
Retailer 10£784 GBP
Retailer 8£858 GBP
Retailer 4£900 GBP
Retailer 11£957 GBP
Retailer 13£1,114 GBP
Retailer 16£1,343 GBP
Retailer 6£1,488 GBP
Retailer 14£1,684 GBP
Retailer 7£2,043 GBP
Retailer 2£2,353 GBP
Retailer 9£2,724 GBP
Brilliant Earth£3,463 GBP

34 data points across 17 retailers

22 retailers£516 GBP to £3,463 GBP

A
Cheapest Retailer
-
£516 GBP
$692 USD
A
Retailer 2
-
£562 GBP
$753 USD
View
A
Retailer 3
-
£599 GBP
$803 USD
View
A
Retailer 4
-
£614 GBP
$823 USD
View
Final sale: no returns
Retailer 5
-
£636 GBP
$852 USD
View
Price last confirmed 7 days ago
Retailer 6
-
£636 GBP
$852 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
£731 GBP
$980 USD
View
A
Retailer 8
-
£784 GBP
View
B+
Retailer 9
-
£858 GBP
$1,150 USD
View
A
Retailer 10
-
£900 GBP
$1,206 USD
View
A
Retailer 11
-
£957 GBP
View
A
Retailer 12
-
£1,114 GBP
€1,421 EUR
View
B+
Retailer 13
-
£1,343 GBP
$1,800 USD
View
B+
Retailer 14
-
£1,488 GBP
$1,994 USD
View
B
Retailer 15
-
£1,684 GBP
$2,257 USD
View
B+
Retailer 16
-
£1,940 GBP
$2,599 USD
View
B
Retailer 17
-
£2,043 GBP
$2,738 USD
View
Retailer 18
-
£2,191 GBP
$2,936 USD
View
Price last confirmed 13 days ago
B
Retailer 19
-
£2,353 GBP
View
Retailer 20
-
£2,724 GBP
$3,650 USD
View
Price last confirmed 11 days ago
B
Retailer 21
-
£3,463 GBP
$4,640 USD
View
Most Expensive
B
Brilliant Earth
17548209A · Oct 31
£3,463 GBP
$4,640 USD
View
21 more retailers have this diamond
Prices start from £516 GBPSave up to £2,947 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
5.57ct Round
£516 GBP