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Round|Lab Grown|IGI

5.23ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG790611671

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790611671

Diamond specifications and retailer prices

From £4,353 GBP
$5,833 USD
As of October 31, 2026
Save £24,224 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £28,577 GBP at Do Amore Diamonds · As of October 31, 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 LG790611671 or 790611671. Listed at 20 retailers as of October 31, 2026, with prices from £4,353 to £28,577, a £24,224 spread on the same certified stone. Do Amore Diamonds lists it at £28,577. 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 angle33.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611671
Dimensions11.16 × 11.20 × 6.78 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
11.16 mm11.20 mm5.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611671
Side View
Table 58.0%Crown 33.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.7%

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 31
Current: £28,577 GBP|Low: £4,353 GBP|High: £31,682 GBP|Avg: £10,721 GBP|-9.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 12£4,353 GBP
Retailer 8£4,437 GBP
Retailer 10£4,652 GBP
Retailer 6£4,818 GBP
Retailer 7£5,805 GBP
Retailer 18£5,806 GBP
Retailer 16£5,934 GBP
Retailer 15£6,407 GBP
Retailer 19£6,458 GBP
Retailer 2£6,638 GBP
Retailer 3£7,439 GBP
Retailer 5£9,126 GBP
Retailer 13£10,805 GBP
Retailer 14£10,880 GBP
Retailer 4£13,262 GBP
Retailer 9£18,492 GBP
Retailer 17£18,679 GBP
Retailer 11£26,532 GBP
Do Amore Diamonds£28,577 GBP

33 data points across 19 retailers

20 retailers£4,353 GBP to £28,577 GBP

A+
Cheapest Retailer
-
£4,353 GBP
$5,833 USD
A
Retailer 2
-
£4,437 GBP
$5,945 USD
View
A
Retailer 3
-
£4,652 GBP
$6,233 USD
View
Final sale: no returns
Retailer 4
-
£4,818 GBP
$6,456 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
£5,805 GBP
$7,778 USD
View
A
Retailer 6
-
£5,806 GBP
$7,780 USD
View
Retailer 7
-
£5,815 GBP
$7,791 USD
View
Price last confirmed 42 days ago
A
Retailer 8
-
£5,934 GBP
$7,951 USD
View
Retailer 9
-
£6,407 GBP
$8,585 USD
View
Price last confirmed 13 days ago
A
Retailer 10
-
£6,458 GBP
HK$67,600 HKD
View
A
Retailer 11
-
£6,638 GBP
View
Retailer 12
-
£7,000 GBP
$9,379 USD
View
Price last confirmed 40 days ago
A
Retailer 13
-
£7,439 GBP
$9,968 USD
View
A
Retailer 14
-
£9,126 GBP
$12,228 USD
View
A
Retailer 15
-
£10,805 GBP
ZAR 233,894 ZAR
View
A
Retailer 16
-
£10,880 GBP
View
B+
Retailer 17
-
£13,262 GBP
$17,769 USD
View
B+
Retailer 18
-
£18,492 GBP
$24,777 USD
View
B+
Retailer 19
-
£18,679 GBP
SGD 33,821 SGD
View
Most Expensive
B
Do Amore Diamonds
27-89CFC5178 · Oct 31
£28,577 GBP
$38,290 USD
View
19 more retailers have this diamond
Prices start from £4,353 GBPSave up to £24,224 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
£4,353 GBP