CaratHunter
Plans
Round|Lab Grown|IGI

28.00ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG739566874

Shape and cutting style on the report: Round brilliant

Certificate IGI LG739566874

Diamond specifications and retailer prices

From £14,235 GBP
$19,074 USD
As of October 28, 2026
Save £28,275 GBP (67%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £42,511 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 28ct lab-grown round diamond

This 28ct 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 LG739566874 or 739566874. Listed at 14 retailers as of October 28, 2026, with prices from £14,235 to £42,511, a £28,275 spread on the same certified stone. Brilliant Earth lists it at £42,511. 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

28.00
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739566874
Dimensions19.46 × 19.39 × 12.07 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
19.46 mm19.39 mm28.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739566874
Side View
Table 56.0%Crown 35.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.1%

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 28
Current: £42,511 GBP|Low: £14,235 GBP|High: £64,457 GBP|Avg: £28,432 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
October 29, 2026
Retailer 13£14,235 GBP
Retailer 9£15,713 GBP
Retailer 3£15,793 GBP
Retailer 4£15,839 GBP
Retailer 8£17,958 GBP
Retailer 11£18,015 GBP
Retailer 12£18,228 GBP
Retailer 2£18,887 GBP
Retailer 5£26,156 GBP
Retailer 6£30,879 GBP
Retailer 7£34,166 GBP
Retailer 10£38,888 GBP
Brilliant Earth£42,511 GBP

30 data points across 13 retailers

14 retailers£14,235 GBP to £42,511 GBP

B+
Cheapest Retailer
-
£14,235 GBP
$19,074 USD
B+
Retailer 2
-
£15,713 GBP
$21,054 USD
View
B+
Retailer 3
-
£15,793 GBP
$21,161 USD
View
B+
Retailer 4
-
£15,839 GBP
$21,223 USD
View
B
Retailer 5
-
£17,958 GBP
$24,062 USD
View
B
Retailer 6
-
£18,015 GBP
$24,138 USD
View
Retailer 7
-
£18,228 GBP
$24,423 USD
View
Price last confirmed 18 days ago
B
Retailer 8
-
£18,228 GBP
$24,423 USD
View
B+
Retailer 9
-
£18,887 GBP
View
Retailer 10
-
£26,156 GBP
$35,046 USD
View
Price last confirmed 72 days ago
B
Retailer 11
-
£30,879 GBP
€39,404 EUR
View
Retailer 12
-
£34,166 GBP
A$70,428 AUD
View
Price last confirmed 8 days ago
B
Retailer 13
-
£38,888 GBP
$52,105 USD
View
Most Expensive
B
Brilliant Earth
16103564A · Oct 29
£42,511 GBP
$56,960 USD
View
13 more retailers have this diamond
Prices start from £14,235 GBPSave up to £28,275 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+
28.00ct Round
£14,235 GBP