Round|Lab Grown|IGI

3.59ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG839679420

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839679420

Diamond specifications and retailer prices

From £391 GBP
$524 USD
As of October 29, 2026
Save £2,692 GBP (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,083 GBP at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

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 LG839679420 or 839679420. Listed at 22 retailers as of October 29, 2026, with prices from £391 to £3,083, a £2,692 spread on the same certified stone. Helzberg Diamonds lists it at £3,083. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839679420
Dimensions9.94 × 9.88 × 6.00 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
9.94 mm9.88 mm3.59 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839679420
Side View
Table 58.0%Crown 32.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.6%

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 29
Current: £3,083 GBP|Low: £391 GBP|High: £3,083 GBP|Avg: £1,171 GBP
Helzberg Diamonds
Retailer 2
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October 31, 2026
Retailer 6£391 GBP
Retailer 11£438 GBP
Retailer 4£485 GBP
Retailer 8£485 GBP
Retailer 21£545 GBP
Retailer 2£586 GBP
Retailer 3£651 GBP
Retailer 18£726 GBP
Retailer 17£748 GBP
Retailer 10£767 GBP
Retailer 16£1,025 GBP
Retailer 7£1,028 GBP
Retailer 19£1,054 GBP
Retailer 13£1,130 GBP
Retailer 9£1,276 GBP
Retailer 14£1,562 GBP
Retailer 12£1,577 GBP
Retailer 15£1,594 GBP
Retailer 5£1,799 GBP
Retailer 20£2,028 GBP
Retailer 22£2,056 GBP
Helzberg Diamonds£3,083 GBP

24 data points across 22 retailers

22 retailers£391 GBP to £3,083 GBP

A
Cheapest Retailer
-
£391 GBP
$524 USD
A
Retailer 2
-
£438 GBP
$587 USD
View
Retailer 3
-
£485 GBP
$650 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
£485 GBP
$650 USD
View
A
Retailer 5
-
£545 GBP
HK$5,700 HKD
View
A
Retailer 6
-
£586 GBP
$785 USD
View
B+
Retailer 7
-
£651 GBP
$872 USD
View
A
Retailer 8
-
£726 GBP
€927 EUR
View
A
Retailer 9
-
£748 GBP
View
A
Retailer 10
-
£767 GBP
$1,028 USD
View
B+
Retailer 11
-
£1,025 GBP
A$2,112 AUD
View
B+
Retailer 12
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£1,028 GBP
$1,378 USD
View
B+
Retailer 13
-
£1,054 GBP
ZAR 22,809 ZAR
View
B+
Retailer 14
-
£1,130 GBP
$1,514 USD
View
B+
Retailer 15
-
£1,276 GBP
$1,710 USD
View
B+
Retailer 16
-
£1,562 GBP
SGD 2,829 SGD
View
B+
Retailer 17
-
£1,577 GBP
$2,113 USD
View
B
Retailer 18
-
£1,594 GBP
$2,136 USD
View
B
Retailer 19
-
£1,799 GBP
$2,410 USD
View
B
Retailer 20
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£2,028 GBP
View
Retailer 21
-
£2,056 GBP
$2,755 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Helzberg Diamonds
ZXZOJPMNPKIG · Oct 31
£3,083 GBP
$4,131 USD
View
21 more retailers have this diamond
Prices start from £391 GBPSave up to £2,692 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
£391 GBP