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Oval|Lab Grown|IGI

1.55ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG700515678

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG700515678

Diamond specifications and retailer prices

From €425 EUR
As of November 5, 2026
Save €4,003 EUR (90%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: €4,428 EUR at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.55ct lab-grown oval diamond

This 1.55ct lab-grown oval 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 LG700515678 or 700515678. Listed at 29 retailers as of November 3, 2026, with prices from €425 to €4,428, a €4,003 spread on the same certified stone. Brilliant Earth lists it at €4,428. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700515678
Dimensions9.34 × 6.69 × 4.08 mm
L/W Ratio1.40
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
9.34 mm6.69 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700515678
Side View
Table 59.0%Crown 32.3°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.0%

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 5
Current: €4,428 EUR|Low: €425 EUR|High: €4,428 EUR|Avg: €1,073 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 6€425 EUR
Retailer 4€476 EUR
Retailer 8€527 EUR
Retailer 9€527 EUR
Retailer 11€553 EUR
Retailer 18€650 EUR
Retailer 5€804 EUR
Retailer 2€865 EUR
Retailer 17€890 EUR
Retailer 14€908 EUR
Retailer 12€1,230 EUR
Retailer 13€1,416 EUR
Retailer 7€1,693 EUR
Retailer 3€1,796 EUR
Retailer 10€1,827 EUR
Retailer 16€1,934 EUR
Retailer 15€2,236 EUR
Brilliant Earth€4,428 EUR

32 data points across 18 retailers

29 retailers€425 EUR to €4,428 EUR

A
Cheapest Retailer
-
€425 EUR
A
Retailer 2
-
€475 EUR
View
Final sale: no returns
A
Retailer 3
-
€476 EUR
View
Retailer 4
-
€527 EUR
View
Price last confirmed 20 days ago
A
Retailer 5
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€527 EUR
View
A
Retailer 6
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€553 EUR
View
A
Retailer 7
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€650 EUR
View
A
Retailer 8
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€704 EUR
View
A
Retailer 9
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€737 EUR
View
A
Retailer 10
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€804 EUR
View
A
Retailer 11
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€865 EUR
View
A
Retailer 12
-
€890 EUR
View
A
Retailer 13
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€908 EUR
View
B+
Retailer 14
-
€997 EUR
View
B+
Retailer 15
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€1,230 EUR
View
B+
Retailer 16
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€1,237 EUR
View
B+
Retailer 17
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€1,416 EUR
View
B+
Retailer 18
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€1,534 EUR
View
B
Retailer 19
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€1,663 EUR
View
B+
Retailer 20
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€1,693 EUR
View
B
Retailer 21
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€1,719 EUR
View
B+
Retailer 22
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€1,796 EUR
View
B
Retailer 23
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€1,827 EUR
View
B
Retailer 24
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€1,850 EUR
View
B+
Retailer 25
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€1,934 EUR
View
B
Retailer 26
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€1,970 EUR
View
B
Retailer 27
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€2,236 EUR
View
B
Retailer 28
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€4,428 EUR
View
Most Expensive
B
Brilliant Earth
14819721A · Nov 3
€4,428 EUR
$4,970 USD
View
28 more retailers have this diamond
Prices start from €425 EURSave up to €4,003 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
1.55ct Oval
€425 EUR