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Round|Lab Grown|IGI

4.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG754595249

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754595249

Diamond specifications and retailer prices

From €3,315 EUR
$3,703 USD
As of October 31, 2026
Save €10,063 EUR (75%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: €13,378 EUR at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.51ct lab-grown round diamond

This 4.51ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754595249 or 754595249. Listed at 28 retailers as of October 31, 2026, with prices from €3,315 to €13,378, a €10,063 spread on the same certified stone. With Clarity lists it at €13,378. 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

4.51
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754595249
Dimensions10.65 × 10.69 × 6.50 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
10.65 mm10.69 mm4.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754595249
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

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 31
Current: €5,509 EUR|Low: €3,251 EUR|High: €24,740 EUR|Avg: €8,049 EUR|+2.3%
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
October 31, 2026
Retailer 10€3,315 EUR
Retailer 6€3,383 EUR
Retailer 8€4,556 EUR
Retailer 14€4,737 EUR
Retailer 12€4,740 EUR
Retailer 3€5,192 EUR
Retailer 1€5,509 EUR
Retailer 9€7,308 EUR
Retailer 11€7,406 EUR
Retailer 4€8,592 EUR
Retailer 13€8,751 EUR
Retailer 2€11,129 EUR
Retailer 5€12,213 EUR
Retailer 7€12,728 EUR

41 data points across 14 retailers

28 retailers€3,315 EUR to €13,378 EUR

Retailer 1
-
€2,960 EUR
$3,307 USD
Price last confirmed 32 days ago
Retailer 2
-
€3,221 EUR
$3,598 USD
View
Price last confirmed 25 days ago
Retailer 3
-
€3,221 EUR
$3,598 USD
View
Price last confirmed 38 days ago
Retailer 4
-
€3,221 EUR
$3,598 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
€3,315 EUR
$3,703 USD
View
Final sale: no returns
A
Retailer 6
-
€3,383 EUR
$3,780 USD
View
Retailer 7
-
€3,387 EUR
$3,784 USD
View
Price last confirmed 32 days ago
A
Retailer 8
-
€3,434 EUR
$3,837 USD
View
Retailer 9
-
€3,434 EUR
$3,837 USD
View
Price last confirmed 29 days ago
A
Retailer 10
-
€4,216 EUR
HK$36,800 HKD
View
Retailer 11
-
€4,291 EUR
$4,794 USD
View
Price last confirmed 31 days ago
A
Retailer 12
-
€4,556 EUR
£4,007 GBP
View
A
Retailer 13
-
€4,737 EUR
$5,292 USD
View
A
Retailer 14
-
€4,740 EUR
$5,295 USD
View
A
Retailer 15
-
€5,192 EUR
$5,800 USD
View
A
Retailer 16
-
€5,207 EUR
$5,817 USD
View
A
Retailer 17
-
€5,509 EUR
View
Retailer 18
-
€6,398 EUR
$7,147 USD
View
Price last confirmed 83 days ago
B+
Retailer 19
-
€7,308 EUR
ZAR 131,898 ZAR
View
Retailer 20
-
€7,406 EUR
A$12,730 AUD
View
Price last confirmed 9 days ago
B+
Retailer 21
-
€8,592 EUR
$9,599 USD
View
B+
Retailer 22
-
€8,751 EUR
£7,698 GBP
View
B+
Retailer 23
-
€9,527 EUR
$10,644 USD
View
Retailer 24
-
€11,129 EUR
A$19,129 AUD
View
Price last confirmed 22 days ago
B
Retailer 25
-
€12,034 EUR
$13,444 USD
View
B
Retailer 26
-
€12,213 EUR
SGD 18,439 SGD
View
B
Retailer 27
-
€12,728 EUR
$14,220 USD
View
Most Expensive
B
With Clarity
754595249 · Oct 31
€13,378 EUR
$14,946 USD
View
27 more retailers have this diamond
Prices start from €3,315 EURSave up to €10,063 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
4.51ct Round
€3,315 EUR