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Round|Lab Grown|IGI

15.03ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG845603202

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845603202

Diamond specifications and retailer prices

From £5,333 GBP
As of November 1, 2026
Save £16,601 GBP (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £21,934 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 15.03ct lab-grown round diamond

This 15.03ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845603202 or 845603202. Listed at 15 retailers as of October 31, 2026, with prices from £5,333 to £21,934, a £16,601 spread on the same certified stone. Taylor and Hart lists it at £21,934. 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

15.03
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845603202
Dimensions15.73 × 15.82 × 9.74 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
15.73 mm15.82 mm15.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845603202
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.8%

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: Nov 1
Current: £8,147 GBP|Low: £1,732 GBP|High: £21,934 GBP|Avg: £8,600 GBP|+370.3%
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
Taylor and Hart
November 2, 2026
Retailer 9£5,333 GBP
Retailer 7£5,724 GBP
Retailer 13£5,953 GBP
Retailer 3£6,257 GBP
Retailer 14£6,410 GBP
Retailer 10£6,640 GBP
Retailer 12£6,642 GBP
Retailer 4£7,386 GBP
Retailer 11£7,468 GBP
Retailer 2£7,689 GBP
Retailer 1£8,147 GBP
Retailer 5£11,861 GBP
Retailer 8£12,640 GBP
Retailer 6£18,488 GBP
Taylor and Hart£21,934 GBP

12 data points across 15 retailers

15 retailers£5,333 GBP to £21,934 GBP

A
Cheapest Retailer
-
£5,333 GBP
B+
Retailer 2
-
£5,724 GBP
$7,670 USD
View
B+
Retailer 3
-
£5,953 GBP
$7,976 USD
View
B+
Retailer 4
-
£6,257 GBP
$8,384 USD
View
B+
Retailer 5
-
£6,410 GBP
$8,589 USD
View
Final sale: no returns
B+
Retailer 6
-
£6,640 GBP
$8,897 USD
View
B+
Retailer 7
-
£6,642 GBP
$8,900 USD
View
B+
Retailer 8
-
£7,386 GBP
$9,896 USD
View
B+
Retailer 9
-
£7,468 GBP
$10,006 USD
View
B+
Retailer 10
-
£7,689 GBP
$10,302 USD
View
B
Retailer 11
-
£8,147 GBP
View
B
Retailer 12
-
£11,861 GBP
$15,892 USD
View
B
Retailer 13
-
£12,640 GBP
A$26,055 AUD
View
B
Retailer 14
-
£18,488 GBP
$24,771 USD
View
Most Expensive
B
Taylor and Hart
EQ1IOS5 · Oct 31
£21,934 GBP
$29,389 USD
View
14 more retailers have this diamond
Prices start from £5,333 GBPSave up to £16,601 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
15.03ct Round
£5,333 GBP