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Round|Lab Grown|IGI

5.21ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG790611705

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790611705

Diamond specifications and retailer prices

From €5,479 EUR
$6,121 USD
As of October 29, 2026
Save €16,652 EUR (75%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €22,131 EUR at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 5.21ct lab-grown round diamond

This 5.21ct 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 LG790611705 or 790611705. Listed at 23 retailers as of October 29, 2026, with prices from €5,479 to €22,131, a €16,652 spread on the same certified stone. Michael Trio lists it at €22,131. 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

5.21
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611705
Dimensions11.03 × 11.10 × 6.84 mm
L/W Ratio1.01
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
11.03 mm11.10 mm5.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611705
Side View
Table 58.0%Crown 35°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 29
Current: €22,131 EUR|Low: €5,479 EUR|High: €30,746 EUR|Avg: €11,396 EUR|-10.1%
Michael Trio
Retailer 2
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Retailer 22
November 1, 2026
Retailer 7€5,479 EUR
Retailer 15€5,741 EUR
Retailer 9€5,812 EUR
Retailer 11€6,135 EUR
Retailer 16€6,342 EUR
Retailer 6€6,355 EUR
Retailer 12€6,355 EUR
Retailer 14€7,544 EUR
Retailer 21€7,556 EUR
Retailer 22€7,642 EUR
Retailer 20€7,922 EUR
Retailer 2€7,931 EUR
Retailer 8€9,233 EUR
Retailer 3€9,806 EUR
Retailer 13€10,471 EUR
Retailer 5€11,925 EUR
Retailer 18€12,911 EUR
Retailer 19€13,001 EUR
Retailer 4€17,682 EUR
Retailer 17€17,991 EUR
Retailer 10€22,108 EUR
Michael Trio€22,131 EUR

41 data points across 22 retailers

23 retailers€5,479 EUR to €22,131 EUR

A
Cheapest Retailer
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€5,479 EUR
$6,121 USD
A
Retailer 2
-
€5,741 EUR
$6,414 USD
View
A
Retailer 3
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€5,812 EUR
$6,493 USD
View
A
Retailer 4
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€6,135 EUR
$6,854 USD
View
Final sale: no returns
A
Retailer 5
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€6,342 EUR
$7,085 USD
View
A
Retailer 6
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€6,355 EUR
$7,100 USD
View
Retailer 7
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€6,355 EUR
$7,100 USD
View
Price last confirmed 15 days ago
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Retailer 8
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€7,544 EUR
$8,428 USD
View
A
Retailer 9
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€7,556 EUR
$8,442 USD
View
A
Retailer 10
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€7,642 EUR
HK$66,700 HKD
View
Retailer 11
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€7,922 EUR
$8,850 USD
View
Price last confirmed 13 days ago
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Retailer 12
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€7,931 EUR
£6,977 GBP
View
A
Retailer 13
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€9,233 EUR
$10,315 USD
View
A
Retailer 14
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€9,806 EUR
$10,955 USD
View
A
Retailer 15
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€10,471 EUR
View
A
Retailer 16
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€11,420 EUR
$12,759 USD
View
A
Retailer 17
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€11,925 EUR
$13,323 USD
View
A
Retailer 18
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€12,911 EUR
ZAR 233,030 ZAR
View
A
Retailer 19
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€13,001 EUR
£11,437 GBP
View
B+
Retailer 20
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€17,682 EUR
$19,754 USD
View
B+
Retailer 21
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€17,991 EUR
$20,100 USD
View
B
Retailer 22
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€22,108 EUR
$24,699 USD
View
Most Expensive
B
Michael Trio
8155789340 · Oct 31
€22,131 EUR
SGD 33,412 SGD
View
22 more retailers have this diamond
Prices start from €5,479 EURSave up to €16,652 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
5.21ct Round
€5,479 EUR