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Oval|Lab Grown|IGI

1.55ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG720566122

Certificate IGI LG720566122

Diamond specifications and retailer prices

From $305 USD
Save $4,795 USD (94%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,100 USD at Brilliant Earth
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 25 retailers, with prices from $305 to $5,100 at Brilliant Earth, a $4,795 spread on the same certified stone. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 28
Current: $5,100 USD|Low: $243 USD|High: $5,100 USD|Avg: $1,135 USD
Brilliant Earth
Retailer 2
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Retailer 24
September 30, 2026
Retailer 7$305 USD
Retailer 21$342 USD
Retailer 4$354 USD
Retailer 11$373 USD
Retailer 13$435 USD
Retailer 2$438 USD
Retailer 18$570 USD
Retailer 3$606 USD
Retailer 15$626 USD
Retailer 6$639 USD
Retailer 19$665 USD
Retailer 14$853 USD
Retailer 23$878 USD
Retailer 9$1,059 USD
Retailer 12$1,061 USD
Retailer 24$1,216 USD
Retailer 10$1,234 USD
Retailer 17$1,263 USD
Retailer 5$1,274 USD
Retailer 16$1,529 USD
Retailer 20$1,534 USD
Retailer 8$1,564 USD
Retailer 22$2,430 USD
Brilliant Earth$5,100 USD

40 data points across 24 retailers

25 retailers$305 USD to $5,100 USD

A
Cheapest Retailer
-
$305 USD
A
Retailer 2
-
$342 USD
View
A
Retailer 3
-
$354 USD
View
A
Retailer 4
-
$373 USD
View
A
Retailer 5
-
$435 USD
HK$3,400 HKD
View
B+
Retailer 6
-
$438 USD
View
A
Retailer 7
-
$570 USD
View
A
Retailer 8
-
$606 USD
€577 EUR
View
A
Retailer 9
-
$626 USD
ZAR 10,107 ZAR
View
Price last confirmed 20 days ago
A
Retailer 10
-
$639 USD
View
A
Retailer 11
-
$652 USD
£513 GBP
View
Price last confirmed 21 days ago
A
Retailer 12
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$666 USD
£524 GBP
View
A
Retailer 13
-
$853 USD
View
A
Retailer 14
-
$878 USD
A$1,351 AUD
View
A
Retailer 15
-
$1,059 USD
View
B+
Retailer 16
-
$1,061 USD
View
B+
Retailer 17
-
$1,216 USD
View
B+
Retailer 18
-
$1,259 USD
View
B+
Retailer 19
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$1,263 USD
View
B+
Retailer 20
-
$1,274 USD
SGD 1,721 SGD
View
B+
Retailer 21
-
$1,529 USD
View
B+
Retailer 22
-
$1,534 USD
£1,208 GBP
View
B+
Retailer 23
-
$1,564 USD
View
B
Retailer 24
-
$2,430 USD
View
Most Expensive
B
Brilliant Earth
15368126A · Oct 1
$5,100 USD
View
24 more retailers have this diamond
Prices start from $305 USDSave up to $4,795 USD

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.

A
1.55ct Oval
$305 USD