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Oval|Lab Grown|IGI

1.55ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG743523308

Certificate IGI LG743523308

Diamond specifications and retailer prices

From $276 USD
Save $3,074 USD (92%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $3,350 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 LG743523308 or 743523308. Listed at 28 retailers, with prices from $276 to $3,350 at Brilliant Earth, a $3,074 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 angle34.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743523308
Dimensions9.64 × 6.52 × 3.97 mm
L/W Ratio1.48
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
9.64 mm6.52 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743523308
Side View
Table 60.0%Crown 34.1°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 60.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 28
Current: $3,350 USD|Low: $220 USD|High: $3,350 USD|Avg: $1,025 USD
Brilliant Earth
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Retailer 26
October 1, 2026
Retailer 9$276 USD
Retailer 5$321 USD
Retailer 2$329 USD
Retailer 12$338 USD
Retailer 13$404 USD
Retailer 21$438 USD
Retailer 8$505 USD
Retailer 22$512 USD
Retailer 4$606 USD
Retailer 7$606 USD
Retailer 16$626 USD
Retailer 23$665 USD
Retailer 11$823 USD
Retailer 15$853 USD
Retailer 26$878 USD
Retailer 14$962 USD
Retailer 3$1,216 USD
Retailer 19$1,380 USD
Retailer 18$1,434 USD
Retailer 10$1,442 USD
Retailer 6$1,477 USD
Retailer 24$1,534 USD
Retailer 20$1,931 USD
Retailer 25$2,420 USD
Retailer 17$2,450 USD
Brilliant Earth$3,350 USD

41 data points across 26 retailers

28 retailers$276 USD to $3,350 USD

A
Cheapest Retailer
-
$276 USD
A
Retailer 2
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$321 USD
View
A
Retailer 3
-
$329 USD
View
A
Retailer 4
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$338 USD
View
A
Retailer 5
-
$404 USD
£318 GBP
View
A
Retailer 6
-
$438 USD
View
A
Retailer 7
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$505 USD
View
A
Retailer 8
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$512 USD
HK$4,000 HKD
View
A
Retailer 9
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$606 USD
€577 EUR
View
A
Retailer 10
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$606 USD
View
A
Retailer 11
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$626 USD
ZAR 10,107 ZAR
View
Price last confirmed 20 days ago
A
Retailer 12
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$652 USD
£513 GBP
View
Price last confirmed 21 days ago
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Retailer 13
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$666 USD
£524 GBP
View
A
Retailer 14
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$823 USD
View
A
Retailer 15
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$853 USD
View
A
Retailer 16
-
$878 USD
A$1,351 AUD
View
A
Retailer 17
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$962 USD
View
B+
Retailer 18
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$1,216 USD
View
B+
Retailer 19
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$1,380 USD
View
B+
Retailer 20
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$1,434 USD
View
B+
Retailer 21
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$1,442 USD
View
B+
Retailer 22
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$1,477 USD
SGD 1,996 SGD
View
B+
Retailer 23
-
$1,534 USD
£1,208 GBP
View
B
Retailer 24
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$1,931 USD
A$2,970 AUD
View
B
Retailer 25
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$2,420 USD
View
B
Retailer 26
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$2,450 USD
View
B
Retailer 27
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$2,452 USD
View
Price last confirmed 72 days ago
Most Expensive
B
Brilliant Earth
17199287Y · Sep 26
$3,350 USD
View
27 more retailers have this diamond
Prices start from $276 USDSave up to $3,074 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
$276 USD