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Round|Lab Grown|IGI

4.89ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG818605043

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818605043

Diamond specifications and retailer prices

From £521 GBP
$698 USD
As of October 31, 2026
Save £3,408 GBP (87%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,929 GBP at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 4.89ct lab-grown round diamond

This 4.89ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818605043 or 818605043. Listed at 7 retailers as of October 31, 2026, with prices from £521 to £3,929, a £3,408 spread on the same certified stone. Frank Darling lists it at £3,929. 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

4.89
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818605043
Dimensions10.84 × 10.79 × 6.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.84 mm10.79 mm4.89 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818605043
Side View
Table 60.0%Crown 35.7°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.1%

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 31
Current: £3,929 GBP|Low: £521 GBP|High: £3,933 GBP|Avg: £1,677 GBP|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 2£521 GBP
Retailer 4£549 GBP
Retailer 3£646 GBP
Retailer 6£714 GBP
Retailer 8£869 GBP
Retailer 11£1,159 GBP
Retailer 10£1,313 GBP
Retailer 5£1,628 GBP
Retailer 9£2,043 GBP
Retailer 7£2,911 GBP
Frank Darling£3,929 GBP
Retailer 12£3,933 GBP

18 data points across 12 retailers

7 retailers£521 GBP to £3,929 GBP

A
Cheapest Retailer
-
£521 GBP
$698 USD
Final sale: no returns
Retailer 2
-
£543 GBP
$727 USD
View
Price last confirmed 45 days ago
B+
Retailer 3
-
£714 GBP
$957 USD
View
Retailer 4
-
£1,313 GBP
$1,759 USD
View
Price last confirmed 45 days ago
B+
Retailer 5
-
£1,628 GBP
$2,182 USD
View
Retailer 6
-
£2,911 GBP
$3,900 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Frank Darling
100188087105KD · Oct 31
£3,929 GBP
$5,264 USD
View
6 more retailers have this diamond
Prices start from £521 GBPSave up to £3,408 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
4.89ct Round
£521 GBP