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Round|Lab Grown|IGI

1.55ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG754573498

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754573498

Diamond specifications and retailer prices

From $405 USD
As of October 29, 2026
Save $1,567 USD (79%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,165 USD at Rare Carat · As of October 18, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754573498 or 754573498. Listed at 23 retailers as of October 29, 2026, with a 387% 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754573498
Dimensions7.41 × 7.46 × 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
7.41 mm7.46 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754573498
Side View
Table 56.0%Crown 34.7°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.5%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $2,165 USD|Low: $389 USD|High: $2,175 USD|Avg: $1,016 USD|-0.5%
Rare Carat
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
October 29, 2026
Retailer 15$405 USD
Retailer 8$452 USD
Retailer 3$502 USD
Retailer 5$502 USD
Retailer 13$650 USD
Retailer 4$680 USD
Retailer 7$746 USD
Retailer 11$811 USD
Retailer 9$820 USD
Retailer 12$863 USD
Retailer 2$1,169 USD
Retailer 14$1,408 USD
Retailer 6$1,599 USD
Retailer 16$1,764 USD
Retailer 10$1,972 USD
Rare Carat$2,165 USD

44 data points across 16 retailers

23 retailers$405 USD to $1,972 USD

A
Cheapest Retailer
-
$405 USD
A
Retailer 2
-
$452 USD
View
Final sale: no returns
A
Retailer 3
-
$454 USD
View
A
Retailer 4
-
$502 USD
View
A
Retailer 5
-
$502 USD
View
A
Retailer 6
-
$550 USD
HK$4,300 HKD
View
A
Retailer 7
-
$650 USD
View
A
Retailer 8
-
$680 USD
View
A
Retailer 9
-
$746 USD
View
A
Retailer 10
-
$811 USD
€772 EUR
View
A
Retailer 11
-
$820 USD
£646 GBP
View
A
Retailer 12
-
$863 USD
ZAR 13,940 ZAR
View
A
Retailer 13
-
$949 USD
View
B+
Retailer 14
-
$1,169 USD
A$1,799 AUD
View
B+
Retailer 15
-
$1,408 USD
View
B+
Retailer 16
-
$1,599 USD
SGD 2,161 SGD
View
B+
Retailer 17
-
$1,614 USD
View
B+
Retailer 18
-
$1,650 USD
View
B+
Retailer 19
-
$1,764 USD
View
B
Retailer 20
-
$1,848 USD
View
B
Retailer 21
-
$1,880 USD
View
B+
Retailer 22
-
$1,972 USD
£1,553 GBP
View
Most Expensive
Rare Carat
236-7461A · Oct 18
$2,165 USD
View
Price last confirmed 11 days ago
22 more retailers have this diamond
Prices start from $405 USDSave up to $1,567 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
$405 USD