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Round|Lab Grown|IGI

3.59ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG607327717

Shape and cutting style on the report: Round brilliant

Certificate IGI LG607327717

Diamond specifications and retailer prices

From £605 GBP
$811 USD
As of October 28, 2026
Save £2,134 GBP (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,739 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG607327717 or 607327717. Listed at 7 retailers as of October 28, 2026, with prices from £605 to £2,739, a £2,134 spread on the same certified stone. Do Amore Diamonds lists it at £2,739. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.59
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607327717
Dimensions9.89 × 9.85 × 5.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.89 mm9.85 mm3.59 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607327717
Side View
Table 60.0%Crown 33.9°GirdlePavilion 40.8°Culet: NoneDepth 60.5%

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 28
Current: £2,739 GBP|Low: £504 GBP|High: £2,836 GBP|Avg: £1,249 GBP|-3.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4£588 GBP
Retailer 7£605 GBP
Retailer 3£608 GBP
Retailer 5£1,072 GBP
Retailer 6£1,357 GBP
Retailer 2£1,559 GBP
Do Amore Diamonds£2,739 GBP

17 data points across 7 retailers

7 retailers£605 GBP to £2,739 GBP

Retailer 1
-
£588 GBP
Price last confirmed 8 days ago
B+
Retailer 2
-
£605 GBP
$811 USD
View
A
Retailer 3
-
£608 GBP
$815 USD
View
B+
Retailer 4
-
£1,072 GBP
$1,437 USD
View
B+
Retailer 5
-
£1,357 GBP
$1,818 USD
View
B
Retailer 6
-
£1,559 GBP
View
Most Expensive
B
Do Amore Diamonds
27-A3ACF4D1B · Oct 29
£2,739 GBP
$3,670 USD
View
6 more retailers have this diamond
Prices start from £605 GBPSave up to £2,134 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
£605 GBP