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Round|Lab Grown|IGI

1.55ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG756574153

Shape and cutting style on the report: Round brilliant

Certificate IGI LG756574153

Diamond specifications and retailer prices

From $485 USD
As of October 29, 2026
Save $2,036 USD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,759 USD at Rare Carat · As of August 3, 2026
View at Rare Carat

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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG756574153 or 756574153. Listed at 23 retailers as of October 29, 2026, with a 420% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756574153
Dimensions7.49 × 7.44 × 4.57 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
7.49 mm7.44 mm1.55 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756574153
Side View
Table 57.0%Crown 34.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
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: $903 USD|Low: $465 USD|High: $3,090 USD|Avg: $1,351 USD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 2$485 USD
Retailer 15$543 USD
Retailer 4$601 USD
Retailer 5$601 USD
Retailer 7$802 USD
Retailer 14$805 USD
Retailer 1$903 USD
Retailer 16$909 USD
Retailer 9$995 USD
Retailer 13$1,032 USD
Retailer 6$1,395 USD
Retailer 3$1,931 USD
Retailer 8$2,083 USD
Retailer 10$2,342 USD
Retailer 11$2,500 USD
Retailer 12$2,521 USD

32 data points across 16 retailers

23 retailers$485 USD to $2,521 USD

A
Cheapest Retailer
-
$485 USD
A
Retailer 2
-
$542 USD
View
Final sale: no returns
A
Retailer 3
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$543 USD
View
A
Retailer 4
-
$601 USD
View
Retailer 5
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$601 USD
View
Price last confirmed 15 days ago
A
Retailer 6
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$802 USD
View
A
Retailer 7
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$805 USD
View
A
Retailer 8
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$836 USD
View
A
Retailer 9
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$903 USD
£711 GBP
View
A
Retailer 10
-
$909 USD
A$1,398 AUD
View
A
Retailer 11
-
$976 USD
View
A
Retailer 12
-
$995 USD
£784 GBP
View
A
Retailer 13
-
$1,032 USD
ZAR 16,680 ZAR
View
B+
Retailer 14
-
$1,395 USD
View
B
Retailer 15
-
$1,896 USD
SGD 2,562 SGD
View
B
Retailer 16
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$1,931 USD
View
B
Retailer 17
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$1,959 USD
View
B
Retailer 18
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$2,083 USD
View
B
Retailer 19
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$2,101 USD
View
B
Retailer 20
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$2,342 USD
€2,230 EUR
View
B
Retailer 21
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$2,500 USD
View
B
Retailer 22
-
$2,521 USD
£1,985 GBP
View
Most Expensive
Rare Carat
841535741HC756 · Aug 3
$2,759 USD
View
Price last confirmed 90 days ago
22 more retailers have this diamond
Prices start from $485 USDSave up to $2,036 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.55ct Round
$485 USD