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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 €427 EUR
$477 USD
As of October 29, 2026
Save €4,022 EUR (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €4,449 EUR at Brilliant Earth · As of October 31, 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 27 retailers as of October 29, 2026, with prices from €427 to €4,449, a €4,022 spread on the same certified stone. Brilliant Earth lists it at €4,449. 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
Color
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

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: Oct 29
Current: €4,449 EUR|Low: €410 EUR|High: €4,449 EUR|Avg: €1,288 EUR
Brilliant Earth
Retailer 2
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Retailer 19
October 31, 2026
Retailer 4€427 EUR
Retailer 19€478 EUR
Retailer 7€529 EUR
Retailer 8€529 EUR
Retailer 15€561 EUR
Retailer 13€653 EUR
Retailer 11€707 EUR
Retailer 3€808 EUR
Retailer 12€871 EUR
Retailer 2€895 EUR
Retailer 18€909 EUR
Retailer 9€1,224 EUR
Retailer 16€1,232 EUR
Retailer 6€1,701 EUR
Retailer 14€1,805 EUR
Retailer 10€1,836 EUR
Retailer 17€1,954 EUR
Retailer 5€2,242 EUR
Brilliant Earth€4,449 EUR

32 data points across 19 retailers

27 retailers€427 EUR to €4,449 EUR

A
Cheapest Retailer
-
€427 EUR
$477 USD
A
Retailer 2
-
€477 EUR
$533 USD
View
Final sale: no returns
A
Retailer 3
-
€478 EUR
$534 USD
View
Retailer 4
-
€529 EUR
$591 USD
View
Price last confirmed 15 days ago
A
Retailer 5
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€529 EUR
$591 USD
View
A
Retailer 6
-
€561 EUR
£494 GBP
View
A
Retailer 7
-
€653 EUR
$730 USD
View
A
Retailer 8
-
€707 EUR
$790 USD
View
A
Retailer 9
-
€740 EUR
$827 USD
View
A
Retailer 10
-
€808 EUR
A$1,388 AUD
View
A
Retailer 11
-
€871 EUR
£766 GBP
View
A
Retailer 12
-
€895 EUR
View
A
Retailer 13
-
€909 EUR
ZAR 16,410 ZAR
View
B+
Retailer 14
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€1,002 EUR
$1,119 USD
View
B+
Retailer 15
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€1,224 EUR
$1,368 USD
View
B+
Retailer 16
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€1,232 EUR
A$2,117 AUD
View
B+
Retailer 17
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€1,541 EUR
£1,356 GBP
View
B
Retailer 18
-
€1,671 EUR
SGD 2,523 SGD
View
B+
Retailer 19
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€1,701 EUR
$1,900 USD
View
B
Retailer 20
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€1,727 EUR
$1,929 USD
View
B+
Retailer 21
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€1,805 EUR
A$3,102 AUD
View
B
Retailer 22
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€1,836 EUR
$2,051 USD
View
B
Retailer 23
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€1,859 EUR
$2,076 USD
View
B+
Retailer 24
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€1,954 EUR
£1,719 GBP
View
B
Retailer 25
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€1,979 EUR
$2,211 USD
View
Retailer 26
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€2,242 EUR
$2,505 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
14819721A · Oct 31
€4,449 EUR
$4,970 USD
View
26 more retailers have this diamond
Prices start from €427 EURSave up to €4,022 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
€427 EUR