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 €300 EUR
As of November 3, 2026
Save €2,363 EUR (89%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €2,663 EUR at Do Amore Diamonds · As of November 4, 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 26 retailers as of November 3, 2026, with prices from €300 to €2,663, a €2,363 spread on the same certified stone. Do Amore Diamonds lists it at €2,663. 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
Colour
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

How it works →
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 3
Current: €1,599 EUR|Low: €300 EUR|High: €2,680 EUR|Avg: €906 EUR|-1.2%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 5€300 EUR
Retailer 4€348 EUR
Retailer 3€365 EUR
Retailer 8€372 EUR
Retailer 7€528 EUR
Retailer 2€533 EUR
Retailer 10€559 EUR
Retailer 11€581 EUR
Retailer 14€646 EUR
Retailer 16€664 EUR
Retailer 17€707 EUR
Retailer 12€732 EUR
Retailer 13€958 EUR
Retailer 9€1,091 EUR
Retailer 6€1,320 EUR
Retailer 18€1,542 EUR
Retailer 1€1,599 EUR
Retailer 15€1,602 EUR
Retailer 19€2,015 EUR

32 data points across 19 retailers

26 retailers€300 EUR to €2,663 EUR

A
Cheapest Retailer
-
€300 EUR
A
Retailer 2
-
€348 EUR
View
A
Retailer 3
-
€365 EUR
View
Final sale: no returns
A
Retailer 4
-
€372 EUR
View
A
Retailer 5
-
€533 EUR
View
A
Retailer 6
-
€559 EUR
View
A
Retailer 7
-
€581 EUR
View
A
Retailer 8
-
€646 EUR
View
A
Retailer 9
-
€664 EUR
View
A
Retailer 10
-
€669 EUR
View
A
Retailer 11
-
€707 EUR
View
A
Retailer 12
-
€732 EUR
View
A
Retailer 13
-
€754 EUR
View
B+
Retailer 14
-
€943 EUR
View
B+
Retailer 15
-
€958 EUR
View
B+
Retailer 16
-
€1,091 EUR
View
B+
Retailer 17
-
€1,320 EUR
View
B+
Retailer 18
-
€1,405 EUR
View
B+
Retailer 19
-
€1,444 EUR
View
B+
Retailer 20
-
€1,457 EUR
View
B+
Retailer 21
-
€1,542 EUR
View
B
Retailer 22
-
€1,559 EUR
View
B+
Retailer 23
-
€1,599 EUR
View
B+
Retailer 24
-
€1,602 EUR
View
B
Retailer 25
-
€2,015 EUR
View
Most Expensive
B
Do Amore Diamonds
27-DDA56D148 · Nov 4
€2,663 EUR
$3,000 USD
View
25 more retailers have this diamond
Prices start from €300 EURSave up to €2,363 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
€300 EUR