Round|Lab Grown|IGI

5.91ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG628409481

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628409481

Diamond specifications and retailer prices

From €7,209 EUR
$8,086 USD
As of November 1, 2026
Save €37,780 EUR (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €44,989 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 5.91ct lab-grown round diamond

This 5.91ct lab-grown round sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG628409481 or 628409481. Listed at 23 retailers as of November 1, 2026, with prices from €7,209 to €44,989, a €37,780 spread on the same certified stone. Do Amore Diamonds lists it at €44,989. 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

5.91
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628409481
Dimensions11.53 × 11.57 × 7.14 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
11.53 mm11.57 mm5.91 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628409481
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.6°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: Nov 1
Current: €11,098 EUR|Low: €6,921 EUR|High: €77,413 EUR|Avg: €18,034 EUR|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 17€7,209 EUR
Retailer 7€7,498 EUR
Retailer 6€7,512 EUR
Retailer 9€8,075 EUR
Retailer 13€8,296 EUR
Retailer 2€8,363 EUR
Retailer 16€9,303 EUR
Retailer 3€9,680 EUR
Retailer 8€10,382 EUR
Retailer 1€11,098 EUR
Retailer 12€16,807 EUR
Retailer 15€18,756 EUR
Retailer 11€19,148 EUR
Retailer 14€19,677 EUR
Retailer 18€21,416 EUR
Retailer 4€26,749 EUR
Retailer 10€27,822 EUR
Retailer 5€77,413 EUR

43 data points across 18 retailers

23 retailers€7,209 EUR to €44,989 EUR

A
Cheapest Retailer
-
€7,209 EUR
$8,086 USD
A
Retailer 2
-
€7,498 EUR
$8,410 USD
View
A
Retailer 3
-
€7,512 EUR
$8,426 USD
View
A
Retailer 4
-
€8,075 EUR
$9,057 USD
View
Final sale: no returns
A
Retailer 5
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€8,296 EUR
$9,305 USD
View
A
Retailer 6
-
€8,363 EUR
$9,380 USD
View
Retailer 7
-
€8,363 EUR
$9,380 USD
View
Price last confirmed 17 days ago
A
Retailer 8
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€8,934 EUR
$10,020 USD
View
A
Retailer 9
-
€9,303 EUR
$10,434 USD
View
A
Retailer 10
-
€9,680 EUR
$10,857 USD
View
A
Retailer 11
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€10,382 EUR
$11,644 USD
View
A
Retailer 12
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€11,098 EUR
£9,802 GBP
View
B+
Retailer 13
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€16,807 EUR
£14,843 GBP
View
B+
Retailer 14
-
€18,756 EUR
ZAR 339,853 ZAR
View
B+
Retailer 15
-
€19,148 EUR
A$33,040 AUD
View
B+
Retailer 16
-
€19,677 EUR
$22,070 USD
View
B+
Retailer 17
-
€21,416 EUR
$24,020 USD
View
B+
Retailer 18
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€23,016 EUR
$25,815 USD
View
B+
Retailer 19
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€26,749 EUR
$30,002 USD
View
B
Retailer 20
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€27,822 EUR
$31,205 USD
View
B
Retailer 21
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€29,132 EUR
$32,674 USD
View
Most Expensive
B
Do Amore Diamonds
27-825226D7B · Nov 2
€44,989 EUR
$50,460 USD
View
21 more retailers have this diamond
Prices start from €7,209 EURSave up to €37,780 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
5.91ct Round
€7,209 EUR