Oval|Lab Grown|IGI

4.88ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG840644958

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG840644958

Diamond specifications and retailer prices

From £400 GBP
$536 USD
As of October 29, 2026
Save £1,868 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,268 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.88ct lab-grown oval diamond

This 4.88ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840644958 or 840644958. Listed at 12 retailers as of October 29, 2026, with prices from £400 to £2,268, a £1,868 spread on the same certified stone. With Clarity lists it at £2,268. 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

4.88
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840644958
Dimensions13.99 × 9.66 × 5.81 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.99 mm9.66 mm4.88 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840644958
Side View
Table 62.0%Crown 34.5°Girdle: MED-STKPavilion 40.5°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: £755 GBP|Low: £400 GBP|High: £2,432 GBP|Avg: £1,202 GBP|-6.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 31, 2026
Retailer 10£400 GBP
Retailer 8£449 GBP
Retailer 4£471 GBP
Retailer 1£755 GBP
Retailer 3£816 GBP
Retailer 5£994 GBP
Retailer 9£1,281 GBP
Retailer 7£1,284 GBP
Retailer 11£1,305 GBP
Retailer 2£1,724 GBP
Retailer 6£2,075 GBP
With Clarity£2,268 GBP

26 data points across 12 retailers

12 retailers£400 GBP to £2,268 GBP

A
Cheapest Retailer
-
£400 GBP
$536 USD
A
Retailer 2
-
£449 GBP
$601 USD
View
A
Retailer 3
-
£471 GBP
View
A
Retailer 4
-
£755 GBP
€963 EUR
View
A
Retailer 5
-
£816 GBP
$1,093 USD
View
A
Retailer 6
-
£994 GBP
A$2,050 AUD
View
A
Retailer 7
-
£1,281 GBP
$1,716 USD
View
B+
Retailer 8
-
£1,284 GBP
$1,720 USD
View
A
Retailer 9
-
£1,305 GBP
$1,749 USD
View
B
Retailer 10
-
£1,724 GBP
$2,310 USD
View
B+
Retailer 11
-
£2,075 GBP
View
Most Expensive
B
With Clarity
840644958 · Oct 31
£2,268 GBP
$3,039 USD
View
11 more retailers have this diamond
Prices start from £400 GBPSave up to £1,868 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
4.88ct Oval
£400 GBP