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Oval|Lab Grown|IGI

1.55ct F IF Oval Lab Grown Diamond

ID • F/IF • IGI LG711518321

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG711518321

Diamond specifications and retailer prices

From €425 EUR
$475 USD
As of November 1, 2026
Save €1,911 EUR (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,336 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG711518321 or 711518321. Listed at 22 retailers as of October 31, 2026, with prices from €425 to €2,336, a €1,911 spread on the same certified stone. Brilliant Earth lists it at €2,336. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG711518321
Dimensions9.09 × 6.77 × 4.05 mm
L/W Ratio1.34
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
9.09 mm6.77 mm1.55 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG711518321
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 59.8%

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 1
Current: €2,336 EUR|Low: €296 EUR|High: €2,345 EUR|Avg: €910 EUR|-0.4%
Brilliant Earth
Retailer 2
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Retailer 21
November 2, 2026
Retailer 12€296 EUR
Retailer 5€315 EUR
Retailer 3€326 EUR
Retailer 11€382 EUR
Retailer 6€425 EUR
Retailer 17€456 EUR
Retailer 16€508 EUR
Retailer 13€544 EUR
Retailer 2€552 EUR
Retailer 4€618 EUR
Retailer 19€734 EUR
Retailer 18€759 EUR
Retailer 21€937 EUR
Retailer 7€1,015 EUR
Retailer 9€1,059 EUR
Retailer 8€1,213 EUR
Retailer 10€1,228 EUR
Retailer 14€1,230 EUR
Retailer 15€1,264 EUR
Retailer 20€2,036 EUR
Brilliant Earth€2,336 EUR

39 data points across 21 retailers

22 retailers€425 EUR to €2,336 EUR

Retailer 1
-
€296 EUR
$331 USD
Price last confirmed 31 days ago
Retailer 2
-
€315 EUR
$352 USD
View
Price last confirmed 7 days ago
Retailer 3
-
€326 EUR
£287 GBP
View
Price last confirmed 16 days ago
Retailer 4
-
€358 EUR
$400 USD
View
Price last confirmed 38 days ago
Retailer 5
-
€382 EUR
$427 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
€425 EUR
$475 USD
View
A
Retailer 7
-
€456 EUR
$510 USD
View
A
Retailer 8
-
€508 EUR
View
A
Retailer 9
-
€544 EUR
ZAR 9,816 ZAR
View
A
Retailer 10
-
€552 EUR
£486 GBP
View
A
Retailer 11
-
€618 EUR
$690 USD
View
A
Retailer 12
-
€734 EUR
A$1,261 AUD
View
A
Retailer 13
-
€759 EUR
$848 USD
View
B+
Retailer 14
-
€937 EUR
$1,047 USD
View
B+
Retailer 15
-
€1,015 EUR
SGD 1,532 SGD
View
B+
Retailer 16
-
€1,059 EUR
$1,183 USD
View
B+
Retailer 17
-
€1,213 EUR
$1,355 USD
View
B+
Retailer 18
-
€1,228 EUR
£1,080 GBP
View
Retailer 19
-
€1,230 EUR
$1,374 USD
View
Price last confirmed 25 days ago
B+
Retailer 20
-
€1,264 EUR
£1,112 GBP
View
B
Retailer 21
-
€2,036 EUR
$2,275 USD
View
Most Expensive
B
Brilliant Earth
18208194A · Oct 31
€2,336 EUR
$2,610 USD
View
21 more retailers have this diamond
Prices start from €425 EURSave up to €1,911 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