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Round|Lab Grown|IGI

1.55ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG733528055

Certificate IGI LG733528055

Diamond specifications and retailer prices

From $332 USD
Save $3,798 USD (92%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $4,130 USD at Brilliant Earth
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round 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 LG733528055 or 733528055. Listed at 30 retailers, with prices from $332 to $4,130 at Brilliant Earth, a $3,798 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 angle33.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733528055
Dimensions7.41 × 7.45 × 4.60 mm
L/W Ratio1.01
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
7.41 mm7.45 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733528055
Side View
Table 56.0%Crown 33.3°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

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: $4,130 USD|Low: $264 USD|High: $4,250 USD|Avg: $1,071 USD|-2.8%
Brilliant Earth
Retailer 2
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Retailer 23
October 1, 2026
Retailer 11$332 USD
Retailer 2$377 USD
Retailer 7$385 USD
Retailer 10$407 USD
Retailer 15$412 USD
Retailer 13$532 USD
Retailer 18$555 USD
Retailer 6$635 USD
Retailer 21$655 USD
Retailer 3$693 USD
Retailer 16$707 USD
Retailer 19$713 USD
Retailer 5$745 USD
Retailer 8$930 USD
Retailer 23$956 USD
Retailer 4$1,320 USD
Retailer 9$1,324 USD
Retailer 14$1,368 USD
Retailer 22$1,402 USD
Retailer 12$1,615 USD
Retailer 20$1,671 USD
Retailer 17$1,759 USD
Brilliant Earth$4,130 USD

35 data points across 23 retailers

30 retailers$332 USD to $4,130 USD

A
Cheapest Retailer
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$332 USD
A
Retailer 2
-
$377 USD
View
A
Retailer 3
-
$385 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$407 USD
View
A
Retailer 5
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$412 USD
View
A
Retailer 6
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$461 USD
HK$3,600 HKD
View
A
Retailer 7
-
$532 USD
£419 GBP
View
A
Retailer 8
-
$555 USD
View
A
Retailer 9
-
$635 USD
View
A
Retailer 10
-
$655 USD
€624 EUR
View
A
Retailer 11
-
$693 USD
ZAR 11,199 ZAR
View
A
Retailer 12
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$707 USD
A$1,088 AUD
View
A
Retailer 13
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$714 USD
£562 GBP
View
A
Retailer 14
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$745 USD
View
A
Retailer 15
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$930 USD
View
A
Retailer 16
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$956 USD
A$1,471 AUD
View
A
Retailer 17
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$1,011 USD
View
B+
Retailer 18
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$1,123 USD
View
Price last confirmed 15 days ago
B+
Retailer 19
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$1,320 USD
SGD 1,784 SGD
View
B+
Retailer 20
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$1,324 USD
View
B+
Retailer 21
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$1,368 USD
View
B+
Retailer 22
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$1,402 USD
View
B+
Retailer 23
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$1,615 USD
View
B+
Retailer 24
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$1,671 USD
£1,316 GBP
View
B+
Retailer 25
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$1,702 USD
View
B+
Retailer 26
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$1,759 USD
A$2,706 AUD
View
B
Retailer 27
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$2,343 USD
View
Price last confirmed 45 days ago
B
Retailer 28
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$2,908 USD
£2,290 GBP
View
B
Retailer 29
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$4,130 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
17288033A · Sep 29
$4,130 USD
View
29 more retailers have this diamond
Prices start from $332 USDSave up to $3,798 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 Round
$332 USD