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Round|Lab Grown|IGI

5.18ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG813601643

Shape and cutting style on the report: Round brilliant

Certificate IGI LG813601643

Diamond specifications and retailer prices

From €6,287 EUR
$7,024 USD
As of October 26, 2026
Save €33,885 EUR (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €40,172 EUR at With Clarity · As of October 30, 2026
View at With Clarity

About this 5.18ct lab-grown round diamond

This 5.18ct 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 LG813601643 or 813601643. Listed at 21 retailers as of October 26, 2026, with prices from €6,287 to €40,172, a €33,885 spread on the same certified stone. With Clarity lists it at €40,172. 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

5.18
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813601643
Dimensions11.04 × 11.11 × 6.84 mm
L/W Ratio1.01
Girdle conditionFaceted
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
11.04 mm11.11 mm5.18 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813601643
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: €12,396 EUR|Low: €5,934 EUR|High: €39,368 EUR|Avg: €15,855 EUR|+2.2%
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
Retailer 15
With Clarity
October 27, 2026
Retailer 2€6,287 EUR
Retailer 12€7,256 EUR
Retailer 7€7,792 EUR
Retailer 3€8,931 EUR
Retailer 11€9,065 EUR
Retailer 8€9,563 EUR
Retailer 5€9,595 EUR
Retailer 1€12,396 EUR
Retailer 6€12,444 EUR
Retailer 15€12,635 EUR
Retailer 9€15,424 EUR
Retailer 10€15,876 EUR
Retailer 14€20,401 EUR
Retailer 13€20,528 EUR
Retailer 4€30,567 EUR
With Clarity€39,368 EUR

38 data points across 16 retailers

21 retailers€6,287 EUR to €40,172 EUR

A
Cheapest Retailer
-
€6,287 EUR
$7,024 USD
Retailer 2
-
€6,763 EUR
$7,556 USD
View
Price last confirmed 21 days ago
Retailer 3
-
€7,034 EUR
$7,858 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
€7,256 EUR
CA$11,259 CAD
View
A
Retailer 5
-
€7,792 EUR
$8,705 USD
View
Retailer 6
-
€7,845 EUR
$8,764 USD
View
Price last confirmed 29 days ago
Retailer 7
-
€7,845 EUR
$8,764 USD
View
Price last confirmed 19 days ago
Retailer 8
-
€8,823 EUR
$9,857 USD
View
Price last confirmed 24 days ago
A
Retailer 9
-
€8,931 EUR
$9,978 USD
View
A
Retailer 10
-
€9,563 EUR
£8,413 GBP
View
A
Retailer 11
-
€9,595 EUR
$10,720 USD
View
A
Retailer 12
-
€12,396 EUR
View
A
Retailer 13
-
€12,635 EUR
$14,116 USD
View
B+
Retailer 14
-
€15,424 EUR
£13,568 GBP
View
B+
Retailer 15
-
€15,876 EUR
ZAR 286,544 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 16
-
€20,401 EUR
$22,792 USD
View
B+
Retailer 17
-
€20,528 EUR
$22,934 USD
View
B+
Retailer 18
-
€21,842 EUR
$24,402 USD
View
B
Retailer 19
-
€26,062 EUR
$29,117 USD
View
B
Retailer 20
-
€30,567 EUR
$34,150 USD
View
Most Expensive
B
With Clarity
813601643 · Oct 30
€40,172 EUR
$44,880 USD
View
20 more retailers have this diamond
Prices start from €6,287 EURSave up to €33,885 EUR

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
5.18ct Round
€6,287 EUR