Round|Lab Grown|IGI

24.87ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG717591130

Shape and cutting style on the report: Round brilliant

Certificate IGI LG717591130

Diamond specifications and retailer prices

From £11,522 GBP
As of October 30, 2026
Save £26,078 GBP (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £37,600 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 24.87ct lab-grown round diamond

This 24.87ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG717591130 or 717591130. Listed at 19 retailers as of October 29, 2026, with prices from £11,522 to £37,600, a £26,078 spread on the same certified stone. Brilliant Earth lists it at £37,600. 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

24.87
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717591130
Dimensions18.68 × 18.60 × 11.60 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 Type IIa
Top View
18.68 mm18.60 mm24.87 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717591130
Side View
Table 57.0%Crown 34.7°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £37,600 GBP|Low: £11,132 GBP|High: £40,332 GBP|Avg: £20,421 GBP|-2.7%
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
Retailer 18
October 31, 2026
Retailer 14£11,132 GBP
Retailer 12£11,522 GBP
Retailer 16£13,317 GBP
Retailer 6£13,623 GBP
Retailer 8£13,636 GBP
Retailer 4£14,477 GBP
Retailer 5£14,520 GBP
Retailer 15£15,219 GBP
Retailer 18£15,274 GBP
Retailer 3£15,448 GBP
Retailer 9£15,448 GBP
Retailer 11£16,975 GBP
Retailer 10£20,810 GBP
Retailer 2£26,046 GBP
Retailer 13£29,005 GBP
Retailer 17£31,007 GBP
Retailer 7£37,439 GBP
Brilliant Earth£37,600 GBP

39 data points across 18 retailers

19 retailers£11,522 GBP to £37,600 GBP

Retailer 1
-
£11,132 GBP
$14,915 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
£11,522 GBP
View
B+
Retailer 3
-
£13,317 GBP
$17,843 USD
View
B+
Retailer 4
-
£13,623 GBP
$18,253 USD
View
B+
Retailer 5
-
£13,636 GBP
$18,271 USD
View
B+
Retailer 6
-
£14,477 GBP
$19,398 USD
View
B+
Retailer 7
-
£14,520 GBP
$19,455 USD
View
Retailer 8
-
£14,991 GBP
$20,086 USD
View
Price last confirmed 96 days ago
B+
Retailer 9
-
£15,219 GBP
$20,392 USD
View
B
Retailer 10
-
£15,274 GBP
$20,466 USD
View
B
Retailer 11
-
£15,448 GBP
$20,698 USD
View
Retailer 12
-
£15,448 GBP
$20,698 USD
View
Price last confirmed 18 days ago
B
Retailer 13
-
£16,975 GBP
View
B
Retailer 14
-
£20,810 GBP
$27,883 USD
View
Final sale: no returns
B
Retailer 15
-
£26,046 GBP
€33,237 EUR
View
Retailer 16
-
£29,005 GBP
A$59,791 AUD
View
Price last confirmed 8 days ago
B
Retailer 17
-
£31,007 GBP
$41,546 USD
View
B
Retailer 18
-
£37,439 GBP
$50,165 USD
View
Most Expensive
B
Brilliant Earth
14918664A · Oct 29
£37,600 GBP
$50,380 USD
View
18 more retailers have this diamond
Prices start from £11,522 GBPSave up to £26,078 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.

B+
24.87ct Round
£11,522 GBP