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5.23ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG780665776

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780665776

Diamond specifications and retailer prices

From £3,820 GBP
$5,119 USD
As of October 29, 2026
Save £22,465 GBP (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £26,286 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 5.23ct lab-grown round diamond

This 5.23ct 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 LG780665776 or 780665776. Listed at 16 retailers as of October 29, 2026, with prices from £3,820 to £26,286, a £22,465 spread on the same certified stone. Do Amore Diamonds lists it at £26,286. 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

5.23
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665776
Dimensions11.08 × 11.14 × 6.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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
11.08 mm11.14 mm5.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665776
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: £26,286 GBP|Low: £3,820 GBP|High: £30,995 GBP|Avg: £9,464 GBP|-15.2%
Do Amore Diamonds
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
October 31, 2026
Retailer 13£3,820 GBP
Retailer 4£4,003 GBP
Retailer 14£4,039 GBP
Retailer 7£5,292 GBP
Retailer 8£5,556 GBP
Retailer 15£5,556 GBP
Retailer 3£5,807 GBP
Retailer 6£5,877 GBP
Retailer 11£6,243 GBP
Retailer 12£6,848 GBP
Retailer 2£8,514 GBP
Retailer 10£10,007 GBP
Retailer 5£10,256 GBP
Retailer 9£14,412 GBP
Do Amore Diamonds£26,286 GBP

35 data points across 15 retailers

16 retailers£3,820 GBP to £26,286 GBP

A+
Cheapest Retailer
-
£3,820 GBP
$5,119 USD
A
Retailer 2
-
£4,003 GBP
$5,364 USD
View
A
Retailer 3
-
£4,039 GBP
$5,412 USD
View
A
Retailer 4
-
£5,292 GBP
$7,091 USD
View
Final sale: no returns
A
Retailer 5
-
£5,556 GBP
$7,445 USD
View
A
Retailer 6
-
£5,556 GBP
$7,445 USD
View
A
Retailer 7
-
£5,807 GBP
$7,781 USD
View
A
Retailer 8
-
£5,877 GBP
$7,874 USD
View
A
Retailer 9
-
£6,243 GBP
$8,365 USD
View
Retailer 10
-
£6,765 GBP
$9,065 USD
View
Price last confirmed 13 days ago
A
Retailer 11
-
£6,848 GBP
$9,175 USD
View
A
Retailer 12
-
£8,514 GBP
€10,864 EUR
View
A
Retailer 13
-
£10,007 GBP
View
A
Retailer 14
-
£10,256 GBP
$13,742 USD
View
B+
Retailer 15
-
£14,412 GBP
$19,310 USD
View
Most Expensive
B
Do Amore Diamonds
27-BB1C18B0A · Oct 30
£26,286 GBP
$35,220 USD
View
15 more retailers have this diamond
Prices start from £3,820 GBPSave up to £22,465 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+
5.23ct Round
£3,820 GBP