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Oval|Lab Grown|IGI

1.55ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG720566122

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG720566122

Diamond specifications and retailer prices

From €257 EUR
$287 USD
As of October 29, 2026
Save €2,375 EUR (90%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €2,632 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 LG720566122 or 720566122. Listed at 26 retailers as of October 29, 2026, with prices from €257 to €2,632, a €2,375 spread on the same certified stone. Brilliant Earth lists it at €2,632. 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 angle33.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720566122
Dimensions9.63 × 6.47 × 4.01 mm
L/W Ratio1.49
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
9.63 mm6.47 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720566122
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

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: Oct 29
Current: €2,632 EUR|Low: €247 EUR|High: €4,431 EUR|Avg: €923 EUR|-40.6%
Brilliant Earth
Retailer 2
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Retailer 25
November 1, 2026
Retailer 3€257 EUR
Retailer 19€287 EUR
Retailer 25€298 EUR
Retailer 5€319 EUR
Retailer 15€367 EUR
Retailer 7€449 EUR
Retailer 23€452 EUR
Retailer 24€524 EUR
Retailer 22€547 EUR
Retailer 11€553 EUR
Retailer 2€558 EUR
Retailer 12€633 EUR
Retailer 14€714 EUR
Retailer 21€741 EUR
Retailer 8€943 EUR
Retailer 6€978 EUR
Retailer 4€1,024 EUR
Retailer 18€1,054 EUR
Retailer 16€1,068 EUR
Retailer 17€1,072 EUR
Retailer 10€1,225 EUR
Retailer 20€1,283 EUR
Retailer 9€1,317 EUR
Retailer 13€1,709 EUR
Brilliant Earth€2,632 EUR

33 data points across 25 retailers

26 retailers€257 EUR to €2,632 EUR

A
Cheapest Retailer
-
€257 EUR
$287 USD
A
Retailer 2
-
€287 EUR
$321 USD
View
Final sale: no returns
A
Retailer 3
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€298 EUR
$333 USD
View
A
Retailer 4
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€319 EUR
$356 USD
View
A
Retailer 5
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€367 EUR
HK$3,200 HKD
View
A
Retailer 6
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€449 EUR
$502 USD
View
A
Retailer 7
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€452 EUR
$505 USD
View
A
Retailer 8
-
€524 EUR
View
A
Retailer 9
-
€547 EUR
ZAR 9,878 ZAR
View
A
Retailer 10
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€553 EUR
$618 USD
View
A
Retailer 11
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€558 EUR
£491 GBP
View
A
Retailer 12
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€633 EUR
A$1,088 AUD
View
A
Retailer 13
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€714 EUR
$798 USD
View
A
Retailer 14
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€741 EUR
A$1,273 AUD
View
B+
Retailer 15
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€943 EUR
$1,053 USD
View
B+
Retailer 16
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€978 EUR
$1,093 USD
View
B+
Retailer 17
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€1,024 EUR
$1,144 USD
View
B+
Retailer 18
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€1,054 EUR
$1,178 USD
View
B+
Retailer 19
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€1,068 EUR
$1,193 USD
View
B+
Retailer 20
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€1,072 EUR
SGD 1,619 SGD
View
B+
Retailer 21
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€1,225 EUR
$1,369 USD
View
B+
Retailer 22
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€1,283 EUR
£1,129 GBP
View
B+
Retailer 23
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€1,317 EUR
$1,471 USD
View
B+
Retailer 24
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€1,709 EUR
A$2,937 AUD
View
Retailer 25
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€2,175 EUR
$2,430 USD
View
Price last confirmed 34 days ago
Most Expensive
B
Brilliant Earth
15368126A · Oct 31
€2,632 EUR
$2,940 USD
View
25 more retailers have this diamond
Prices start from €257 EURSave up to €2,375 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
€257 EUR