CaratHunter
Plans
Round|Lab Grown|IGI

5.23ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG619457376

Shape and cutting style on the report: Round brilliant

Certificate IGI LG619457376

Diamond specifications and retailer prices

From £504 GBP
$675 USD
As of October 29, 2026
Save £2,616 GBP (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,120 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.23ct lab-grown round diamond

This 5.23ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG619457376 or 619457376. Listed at 21 retailers as of October 29, 2026, with prices from £504 to £3,120, a £2,616 spread on the same certified stone. Brilliant Earth lists it at £3,120. 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

5.23
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619457376
Dimensions11.15 × 11.20 × 6.78 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.15 mm11.20 mm5.23 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619457376
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.7%

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: £3,120 GBP|Low: £407 GBP|High: £3,463 GBP|Avg: £1,540 GBP|-9.9%
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
October 30, 2026
Retailer 3£549 GBP
Retailer 4£564 GBP
Retailer 13£716 GBP
Retailer 6£837 GBP
Retailer 14£879 GBP
Retailer 11£1,037 GBP
Retailer 2£1,185 GBP
Retailer 12£1,188 GBP
Retailer 17£1,330 GBP
Retailer 15£1,493 GBP
Retailer 16£1,644 GBP
Retailer 9£1,907 GBP
Retailer 7£1,929 GBP
Retailer 5£2,017 GBP
Retailer 8£2,381 GBP
Retailer 10£2,476 GBP
Brilliant Earth£3,120 GBP

36 data points across 17 retailers

21 retailers£504 GBP to £3,120 GBP

A
Cheapest Retailer
-
£504 GBP
$675 USD
A
Retailer 2
-
£549 GBP
$735 USD
View
A
Retailer 3
-
£564 GBP
$756 USD
View
Final sale: no returns
A
Retailer 4
-
£584 GBP
$783 USD
View
Retailer 5
-
£592 GBP
$793 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£716 GBP
$960 USD
View
B+
Retailer 7
-
£837 GBP
$1,122 USD
View
A
Retailer 8
-
£879 GBP
HK$9,200 HKD
View
A
Retailer 9
-
£1,037 GBP
€1,323 EUR
View
B+
Retailer 10
-
£1,185 GBP
A$2,443 AUD
View
B+
Retailer 11
-
£1,188 GBP
ZAR 25,710 ZAR
View
Retailer 12
-
£1,280 GBP
$1,715 USD
View
B+
Retailer 13
-
£1,330 GBP
$1,782 USD
View
B+
Retailer 14
-
£1,493 GBP
$2,001 USD
View
B+
Retailer 15
-
£1,644 GBP
$2,203 USD
View
B
Retailer 16
-
£1,929 GBP
$2,584 USD
View
B
Retailer 17
-
£2,017 GBP
$2,702 USD
View
B
Retailer 18
-
£2,231 GBP
CA$4,151 CAD
View
Retailer 19
-
£2,381 GBP
$3,190 USD
View
Price last confirmed 9 days ago
B
Retailer 20
-
£2,476 GBP
View
Most Expensive
B
Brilliant Earth
16073455A · Oct 29
£3,120 GBP
$4,180 USD
View
20 more retailers have this diamond
Prices start from £504 GBPSave up to £2,616 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
5.23ct Round
£504 GBP