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Round|Lab Grown|IGI

3.59ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG803618926

Shape and cutting style on the report: Round brilliant

Certificate IGI LG803618926

Diamond specifications and retailer prices

From £368 GBP
$493 USD
As of October 29, 2026
Save £2,901 GBP (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,963 GBP at Brilliant Earth · As of October 2, 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 LG803618926 or 803618926. Listed at 21 retailers as of October 29, 2026, with a 788% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803618926
Dimensions9.93 × 9.87 × 6.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.93 mm9.87 mm3.59 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803618926
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
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: £1,713 GBP|Low: £346 GBP|High: £3,269 GBP|Avg: £1,131 GBP|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 9£368 GBP
Retailer 15£410 GBP
Retailer 11£448 GBP
Retailer 12£454 GBP
Retailer 2£560 GBP
Retailer 3£605 GBP
Retailer 16£647 GBP
Retailer 8£749 GBP
Retailer 13£777 GBP
Retailer 5£794 GBP
Retailer 17£1,064 GBP
Retailer 19£1,095 GBP
Retailer 4£1,228 GBP
Retailer 14£1,317 GBP
Retailer 7£1,708 GBP
Retailer 1£1,713 GBP
Retailer 10£1,993 GBP
Retailer 18£2,116 GBP
Retailer 6£3,269 GBP

29 data points across 19 retailers

21 retailers£368 GBP to £3,269 GBP

A
Cheapest Retailer
-
£368 GBP
$493 USD
A
Retailer 2
-
£410 GBP
$549 USD
View
Retailer 3
-
£448 GBP
$600 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
£454 GBP
$608 USD
View
Retailer 5
-
£478 GBP
HK$5,000 HKD
View
Price last confirmed 59 days ago
A
Retailer 6
-
£560 GBP
$750 USD
View
B+
Retailer 7
-
£605 GBP
$810 USD
View
A
Retailer 8
-
£647 GBP
View
A
Retailer 9
-
£749 GBP
$1,003 USD
View
A
Retailer 10
-
£777 GBP
View
A
Retailer 11
-
£794 GBP
$1,064 USD
View
B+
Retailer 12
-
£1,064 GBP
A$2,194 AUD
View
B+
Retailer 13
-
£1,095 GBP
ZAR 23,696 ZAR
View
B+
Retailer 14
-
£1,228 GBP
$1,645 USD
View
B+
Retailer 15
-
£1,317 GBP
$1,764 USD
View
B
Retailer 16
-
£1,708 GBP
$2,289 USD
View
B
Retailer 17
-
£1,713 GBP
$2,295 USD
View
Retailer 18
-
£1,993 GBP
$2,670 USD
View
Price last confirmed 13 days ago
B
Retailer 19
-
£2,116 GBP
View
B
Retailer 20
-
£3,269 GBP
$4,380 USD
View
Most Expensive
Brilliant Earth
21631002Y · Oct 2
£4,963 GBP
$6,650 USD
View
Price under review
20 more retailers have this diamond
Prices start from £368 GBPSave up to £2,901 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
£368 GBP