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Round|Lab Grown|IGI

1.54ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG788618858

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788618858

Diamond specifications and retailer prices

From $640 USD
HK$5,000 HKD
As of October 30, 2026
Save $1,850 USD (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,744 USD at Rare Carat · As of August 3, 2026
View at Rare Carat

About this 1.54ct lab-grown round diamond

This 1.54ct 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 LG788618858 or 788618858. Listed at 11 retailers as of October 30, 2026, with a 289% 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

1.54
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788618858
Dimensions7.36 × 7.43 × 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
7.36 mm7.43 mm1.54 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788618858
Side View
Table 56.0%Crown 35.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.8%

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 30
Current: $2,490 USD|Low: $640 USD|High: $3,180 USD|Avg: $1,518 USD|-21.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 6$640 USD
Retailer 8$780 USD
Retailer 4$877 USD
Retailer 9$893 USD
Retailer 3$962 USD
Retailer 10$962 USD
Retailer 2$1,900 USD
Retailer 7$2,044 USD
Retailer 5$2,140 USD
Retailer 1$2,490 USD

42 data points across 10 retailers

11 retailers$640 USD to $2,490 USD

A
Cheapest Retailer
-
$640 USD
HK$5,000 HKD
A
Retailer 2
-
$780 USD
View
A
Retailer 3
-
$877 USD
€835 EUR
View
A
Retailer 4
-
$893 USD
View
A
Retailer 5
-
$962 USD
£757 GBP
View
A
Retailer 6
-
$962 USD
View
B
Retailer 7
-
$1,900 USD
View
B
Retailer 8
-
$2,044 USD
View
B+
Retailer 9
-
$2,140 USD
£1,685 GBP
View
B
Retailer 10
-
$2,490 USD
View
Most Expensive
Rare Carat
IGI-110450 · Aug 3
$2,744 USD
View
Price last confirmed 88 days ago
10 more retailers have this diamond
Prices start from $640 USDSave up to $1,850 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
1.54ct Round
$640 USD