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Round|Lab Grown|IGI

5.50ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG830627968

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830627968

Diamond specifications and retailer prices

From £7,391 GBP
$9,903 USD
As of October 26, 2026
Save £30,841 GBP (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £38,232 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.5ct lab-grown round diamond

This 5.5ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830627968 or 830627968. Listed at 10 retailers as of October 26, 2026, with prices from £7,391 to £38,232, a £30,841 spread on the same certified stone. With Clarity lists it at £38,232. 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

5.50
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830627968
Dimensions11.28 × 11.34 × 6.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.28 mm11.34 mm5.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830627968
Side View
Table 56.0%Crown 34.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.7%

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: Oct 26
Current: £8,482 GBP|Low: £7,391 GBP|High: £38,232 GBP|Avg: £15,469 GBP|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
November 1, 2026
Retailer 8£7,391 GBP
Retailer 7£7,690 GBP
Retailer 1£8,482 GBP
Retailer 5£8,832 GBP
Retailer 4£11,842 GBP
Retailer 3£13,193 GBP
Retailer 2£17,584 GBP
Retailer 9£19,416 GBP
Retailer 6£22,811 GBP
With Clarity£38,232 GBP

22 data points across 10 retailers

10 retailers£7,391 GBP to £38,232 GBP

A
Cheapest Retailer
-
£7,391 GBP
$9,903 USD
A
Retailer 2
-
£7,690 GBP
HK$80,500 HKD
View
A
Retailer 3
-
£8,482 GBP
View
A
Retailer 4
-
£8,832 GBP
$11,834 USD
View
A
Retailer 5
-
£11,842 GBP
€15,112 EUR
View
B+
Retailer 6
-
£13,193 GBP
View
B+
Retailer 7
-
£17,584 GBP
$23,560 USD
View
B+
Retailer 8
-
£19,416 GBP
$26,015 USD
View
B
Retailer 9
-
£22,811 GBP
$30,564 USD
View
Most Expensive
B
With Clarity
830627968 · Oct 31
£38,232 GBP
$51,226 USD
View
9 more retailers have this diamond
Prices start from £7,391 GBPSave up to £30,841 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
5.50ct Round
£7,391 GBP