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Round|Lab Grown|IGI

28.32ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG787661724

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787661724

Diamond specifications and retailer prices

From £13,750 GBP
As of October 30, 2026
Save £29,246 GBP (68%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £42,996 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 28.32ct lab-grown round diamond

This 28.32ct 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 LG787661724 or 787661724. Listed at 15 retailers as of October 29, 2026, with prices from £13,750 to £42,996, a £29,246 spread on the same certified stone. Brilliant Earth lists it at £42,996. 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

28.32
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787661724
Dimensions19.60 × 19.54 × 12.05 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.60 mm19.54 mm28.32 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787661724
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 41°Culet: NoneDepth 61.5%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £42,996 GBP|Low: £13,704 GBP|High: £65,186 GBP|Avg: £27,294 GBP|-10.5%
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
October 31, 2026
Retailer 8£13,750 GBP
Retailer 3£14,397 GBP
Retailer 11£15,892 GBP
Retailer 4£15,970 GBP
Retailer 5£16,018 GBP
Retailer 10£18,161 GBP
Retailer 13£18,217 GBP
Retailer 6£18,434 GBP
Retailer 14£18,434 GBP
Retailer 7£19,102 GBP
Retailer 2£31,142 GBP
Retailer 9£34,548 GBP
Retailer 12£39,718 GBP
Brilliant Earth£42,996 GBP

44 data points across 14 retailers

15 retailers£13,750 GBP to £42,996 GBP

B+
Cheapest Retailer
-
£13,750 GBP
B+
Retailer 2
-
£14,397 GBP
$19,290 USD
View
B+
Retailer 3
-
£15,892 GBP
$21,293 USD
View
B+
Retailer 4
-
£15,970 GBP
$21,398 USD
View
B+
Retailer 5
-
£16,018 GBP
$21,463 USD
View
B
Retailer 6
-
£18,161 GBP
$24,334 USD
View
B
Retailer 7
-
£18,217 GBP
$24,409 USD
View
Retailer 8
-
£18,434 GBP
$24,699 USD
View
Price last confirmed 18 days ago
B
Retailer 9
-
£18,434 GBP
$24,699 USD
View
B
Retailer 10
-
£19,102 GBP
View
Retailer 11
-
£26,444 GBP
$35,433 USD
View
Price last confirmed 72 days ago
B
Retailer 12
-
£31,142 GBP
€39,740 EUR
View
Retailer 13
-
£34,548 GBP
A$71,217 AUD
View
Price last confirmed 8 days ago
B
Retailer 14
-
£39,718 GBP
$53,218 USD
View
Most Expensive
B
Brilliant Earth
18556753A · Oct 29
£42,996 GBP
$57,610 USD
View
14 more retailers have this diamond
Prices start from £13,750 GBPSave up to £29,246 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+
28.32ct Round
£13,750 GBP