Round|Lab Grown|IGI

13.55ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG805631991

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805631991

Diamond specifications and retailer prices

From £5,115 GBP
$6,853 USD
As of November 1, 2026
Save £15,124 GBP (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £20,239 GBP at With Clarity · As of November 2, 2026
View at With Clarity

About this 13.55ct lab-grown round diamond

This 13.55ct 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 LG805631991 or 805631991. Listed at 10 retailers as of November 1, 2026, with prices from £5,115 to £20,239, a £15,124 spread on the same certified stone. With Clarity lists it at £20,239. 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

13.55
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805631991
Dimensions15.21 × 15.30 × 9.35 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
15.21 mm15.30 mm13.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805631991
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.3%

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: £6,489 GBP|Low: £4,798 GBP|High: £20,239 GBP|Avg: £9,309 GBP|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
November 2, 2026
Retailer 7£5,115 GBP
Retailer 4£5,325 GBP
Retailer 6£6,381 GBP
Retailer 1£6,489 GBP
Retailer 8£8,030 GBP
Retailer 3£8,605 GBP
Retailer 5£9,579 GBP
Retailer 2£10,016 GBP
Retailer 9£18,152 GBP
With Clarity£20,239 GBP

41 data points across 10 retailers

10 retailers£5,115 GBP to £20,239 GBP

A
Cheapest Retailer
-
£5,115 GBP
$6,853 USD
Retailer 2
-
£5,325 GBP
$7,135 USD
View
Price last confirmed 15 days ago
B+
Retailer 3
-
£6,381 GBP
HK$66,800 HKD
View
B+
Retailer 4
-
£6,489 GBP
View
B
Retailer 5
-
£8,030 GBP
$10,759 USD
View
B
Retailer 6
-
£8,605 GBP
€10,981 EUR
View
B
Retailer 7
-
£9,579 GBP
$12,835 USD
View
B
Retailer 8
-
£10,016 GBP
A$20,647 AUD
View
B
Retailer 9
-
£18,152 GBP
$24,321 USD
View
Most Expensive
B
With Clarity
805631991 · Nov 2
£20,239 GBP
$27,118 USD
View
9 more retailers have this diamond
Prices start from £5,115 GBPSave up to £15,124 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
13.55ct Round
£5,115 GBP