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Oval|Lab Grown|IGI

4.92ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG840644997

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG840644997

Diamond specifications and retailer prices

From £403 GBP
$540 USD
As of October 29, 2026
Save £1,884 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,358 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 4.92ct lab-grown oval diamond

This 4.92ct 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 LG840644997 or 840644997. Listed at 12 retailers as of October 29, 2026, with a 467% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.92
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840644997
Dimensions13.88 × 9.61 × 5.93 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.88 mm9.61 mm4.92 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840644997
Side View
Table 61.0%Crown 36°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

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: £2,358 GBP|Low: £403 GBP|High: £2,452 GBP|Avg: £1,305 GBP|-0.9%
Rare Carat
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 30, 2026
Retailer 11£403 GBP
Retailer 9£452 GBP
Retailer 2£475 GBP
Retailer 12£758 GBP
Retailer 5£820 GBP
Retailer 6£1,002 GBP
Retailer 10£1,290 GBP
Retailer 8£1,291 GBP
Retailer 13£1,316 GBP
Retailer 3£1,738 GBP
Retailer 7£2,091 GBP
Retailer 4£2,287 GBP
Rare Carat£2,358 GBP

24 data points across 13 retailers

12 retailers£403 GBP to £2,287 GBP

A
Cheapest Retailer
-
£403 GBP
$540 USD
A
Retailer 2
-
£452 GBP
$605 USD
View
A
Retailer 3
-
£475 GBP
View
A
Retailer 4
-
£820 GBP
$1,099 USD
View
A
Retailer 5
-
£1,002 GBP
A$2,066 AUD
View
A
Retailer 6
-
£1,290 GBP
$1,729 USD
View
B+
Retailer 7
-
£1,291 GBP
$1,730 USD
View
A
Retailer 8
-
£1,316 GBP
$1,763 USD
View
B+
Retailer 9
-
£1,738 GBP
$2,329 USD
View
B+
Retailer 10
-
£2,091 GBP
View
B
Retailer 11
-
£2,287 GBP
$3,064 USD
View
Most Expensive
Rare Carat
LGOV40-162491 · Oct 21
£2,358 GBP
$3,160 USD
View
Price last confirmed 9 days ago
11 more retailers have this diamond
Prices start from £403 GBPSave up to £1,884 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
4.92ct Oval
£403 GBP