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Round|Lab Grown|IGI

3.59ct F VS1 Round Lab Grown Diamond

EX • F/VS1 • IGI LG839650797

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839650797

Diamond specifications and retailer prices

From £545 GBP
HK$5,700 HKD
As of October 31, 2026
Save £1,484 GBP (73%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,844 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.59ct lab-grown round diamond

This 3.59ct 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 LG839650797 or 839650797. Listed at 20 retailers as of October 26, 2026, with a 273% 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

3.59
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839650797
Dimensions9.95 × 9.92 × 5.89 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
9.95 mm9.92 mm3.59 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839650797
Side View
Table 62.0%Crown 33.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £4,844 GBP|Low: £375 GBP|High: £4,851 GBP|Avg: £1,378 GBP
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 11
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Retailer 19
October 31, 2026
Retailer 5£391 GBP
Retailer 19£545 GBP
Retailer 12£623 GBP
Retailer 4£651 GBP
Retailer 15£653 GBP
Retailer 14£748 GBP
Retailer 16£814 GBP
Retailer 13£1,025 GBP
Retailer 7£1,028 GBP
Retailer 17£1,054 GBP
Retailer 2£1,130 GBP
Retailer 6£1,410 GBP
Retailer 10£1,562 GBP
Retailer 9£1,577 GBP
Retailer 11£1,594 GBP
Retailer 8£1,799 GBP
Retailer 18£2,028 GBP
Retailer 3£2,056 GBP
Brilliant Earth£4,844 GBP

32 data points across 19 retailers

20 retailers£545 GBP to £2,028 GBP

Retailer 1
-
£391 GBP
$524 USD
Price last confirmed 8 days ago
Retailer 2
-
£485 GBP
$650 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
£545 GBP
HK$5,700 HKD
View
A
Retailer 4
-
£623 GBP
View
B+
Retailer 5
-
£651 GBP
$872 USD
View
A
Retailer 6
-
£653 GBP
$875 USD
View
A
Retailer 7
-
£748 GBP
View
A
Retailer 8
-
£814 GBP
€1,039 EUR
View
B+
Retailer 9
-
£1,025 GBP
A$2,112 AUD
View
B+
Retailer 10
-
£1,028 GBP
$1,378 USD
View
B+
Retailer 11
-
£1,054 GBP
ZAR 22,809 ZAR
View
B+
Retailer 12
-
£1,130 GBP
$1,514 USD
View
B+
Retailer 13
-
£1,410 GBP
View
B+
Retailer 14
-
£1,562 GBP
SGD 2,829 SGD
View
B
Retailer 15
-
£1,577 GBP
$2,113 USD
View
B
Retailer 16
-
£1,594 GBP
$2,136 USD
View
B
Retailer 17
-
£1,799 GBP
$2,410 USD
View
B
Retailer 18
-
£2,028 GBP
View
Retailer 19
-
£2,056 GBP
$2,755 USD
View
Price last confirmed 13 days ago
Most Expensive
Brilliant Earth
21665167A · Oct 29
£4,844 GBP
$6,490 USD
View
Price under review
19 more retailers have this diamond
Prices start from £545 GBPSave up to £1,484 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
3.59ct Round
£545 GBP