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Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG743550584

Shape and cutting style on the report: Round brilliant

Certificate IGI LG743550584

Diamond specifications and retailer prices

From €303 EUR
$338 USD
As of November 1, 2026
Save €2,383 EUR (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €2,685 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG743550584 or 743550584. Listed at 27 retailers as of October 31, 2026, with prices from €303 to €2,685, a €2,383 spread on the same certified stone. Do Amore Diamonds lists it at €2,685. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743550584
Dimensions7.38 × 7.33 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.38 mm7.33 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743550584
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
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: Nov 1
Current: €1,618 EUR|Low: €303 EUR|High: €3,061 EUR|Avg: €1,025 EUR|-1.2%
Retailer 1
Retailer 2
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Retailer 4
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 4€303 EUR
Retailer 3€351 EUR
Retailer 2€368 EUR
Retailer 8€375 EUR
Retailer 7€533 EUR
Retailer 21€538 EUR
Retailer 10€564 EUR
Retailer 11€586 EUR
Retailer 22€604 EUR
Retailer 16€669 EUR
Retailer 14€675 EUR
Retailer 20€711 EUR
Retailer 12€746 EUR
Retailer 19€961 EUR
Retailer 9€1,100 EUR
Retailer 6€1,331 EUR
Retailer 15€1,417 EUR
Retailer 13€1,457 EUR
Retailer 17€1,555 EUR
Retailer 1€1,618 EUR
Retailer 5€2,018 EUR
Retailer 18€2,032 EUR

30 data points across 22 retailers

27 retailers€303 EUR to €2,685 EUR

A
Cheapest Retailer
-
€303 EUR
$338 USD
A
Retailer 2
-
€351 EUR
$392 USD
View
A
Retailer 3
-
€368 EUR
$411 USD
View
Final sale: no returns
A
Retailer 4
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€375 EUR
$419 USD
View
Retailer 5
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€533 EUR
£469 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
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€538 EUR
HK$4,700 HKD
View
A
Retailer 7
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€564 EUR
$630 USD
View
A
Retailer 8
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€586 EUR
$655 USD
View
A
Retailer 9
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€604 EUR
$675 USD
View
A
Retailer 10
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€669 EUR
View
A
Retailer 11
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€675 EUR
$754 USD
View
A
Retailer 12
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€711 EUR
ZAR 12,840 ZAR
View
A
Retailer 13
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€746 EUR
£656 GBP
View
A
Retailer 14
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€761 EUR
A$1,308 AUD
View
B+
Retailer 15
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€952 EUR
$1,063 USD
View
B+
Retailer 16
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€961 EUR
A$1,651 AUD
View
B+
Retailer 17
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€1,100 EUR
$1,229 USD
View
B+
Retailer 18
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€1,331 EUR
$1,487 USD
View
B+
Retailer 19
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€1,417 EUR
$1,583 USD
View
B+
Retailer 20
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€1,457 EUR
$1,628 USD
View
B+
Retailer 21
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€1,470 EUR
$1,643 USD
View
B+
Retailer 22
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€1,555 EUR
A$2,673 AUD
View
B
Retailer 23
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€1,572 EUR
SGD 2,373 SGD
View
B+
Retailer 24
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€1,618 EUR
£1,423 GBP
View
B
Retailer 25
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€2,018 EUR
$2,255 USD
View
B
Retailer 26
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€2,032 EUR
$2,270 USD
View
Most Expensive
B
Do Amore Diamonds
27-DDA56D148 · Oct 31
€2,685 EUR
$3,000 USD
View
26 more retailers have this diamond
Prices start from €303 EURSave up to €2,383 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
1.51ct Round
€303 EUR