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Round|Lab Grown|IGI

4.89ct F VS1 Round Lab Grown Diamond

EX • F/VS1 • IGI LG813645975

Shape and cutting style on the report: Round brilliant

Certificate IGI LG813645975

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)
8 retailers carry this diamond
Most expensive: £3,929 GBP at Frank Darling · As of October 29, 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 LG813645975 or 813645975. Listed at 8 retailers as of October 29, 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813645975
Dimensions10.74 × 10.66 × 6.80 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.74 mm10.66 mm4.89 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813645975
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.5%

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: £1,442 GBP|-0.0%
Frank Darling
Retailer 2
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Retailer 16
October 27, 2026
Retailer 9£521 GBP
Retailer 6£543 GBP
Retailer 8£549 GBP
Retailer 7£646 GBP
Retailer 10£714 GBP
Retailer 5£777 GBP
Retailer 14£825 GBP
Retailer 13£869 GBP
Retailer 12£1,077 GBP
Retailer 3£1,159 GBP
Retailer 16£1,313 GBP
Retailer 2£1,628 GBP
Retailer 15£2,043 GBP
Retailer 11£2,911 GBP
Frank Darling£3,929 GBP
Retailer 4£3,933 GBP

20 data points across 16 retailers

8 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 46 days ago
B+
Retailer 3
-
£714 GBP
$957 USD
View
Retailer 4
-
£1,077 GBP
$1,443 USD
View
Price last confirmed 19 days ago
Retailer 5
-
£1,313 GBP
$1,759 USD
View
Price last confirmed 46 days ago
B+
Retailer 6
-
£1,628 GBP
$2,182 USD
View
Retailer 7
-
£2,911 GBP
$3,900 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Frank Darling
100766860520KD · Oct 29
£3,929 GBP
$5,264 USD
View
7 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