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Round|Lab Grown|IGI

1.54ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG770649447

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770649447

Diamond specifications and retailer prices

From $670 USD
As of October 29, 2026
Save $4,280 USD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,950 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770649447 or 770649447. Listed at 24 retailers as of October 29, 2026, with prices from $670 to $4,950, a $4,280 spread on the same certified stone. Brilliant Earth lists it at $4,950. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770649447
Dimensions7.46 × 7.51 × 4.48 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
7.46 mm7.51 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770649447
Side View
Table 59.0%Crown 33.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.9%

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: $4,950 USD|Low: $643 USD|High: $4,950 USD|Avg: $1,789 USD
Brilliant Earth
Retailer 2
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Retailer 19
October 29, 2026
Retailer 19$670 USD
Retailer 18$728 USD
Retailer 11$749 USD
Retailer 4$777 USD
Retailer 5$777 USD
Retailer 10$1,020 USD
Retailer 12$1,069 USD
Retailer 7$1,110 USD
Retailer 16$1,110 USD
Retailer 14$1,195 USD
Retailer 2$1,235 USD
Retailer 15$1,428 USD
Retailer 6$1,735 USD
Retailer 3$2,184 USD
Retailer 8$2,504 USD
Retailer 9$2,611 USD
Retailer 17$3,277 USD
Retailer 13$3,670 USD
Brilliant Earth$4,950 USD

40 data points across 19 retailers

24 retailers$670 USD to $4,950 USD

A
Cheapest Retailer
-
$670 USD
A
Retailer 2
-
$728 USD
View
A
Retailer 3
-
$749 USD
View
Final sale: no returns
A
Retailer 4
-
$777 USD
View
Retailer 5
-
$777 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,020 USD
View
A
Retailer 7
-
$1,069 USD
£842 GBP
View
A
Retailer 8
-
$1,110 USD
View
B+
Retailer 9
-
$1,110 USD
View
B+
Retailer 10
-
$1,114 USD
View
B+
Retailer 11
-
$1,195 USD
A$1,838 AUD
View
B+
Retailer 12
-
$1,235 USD
£972 GBP
View
B+
Retailer 13
-
$1,428 USD
ZAR 23,063 ZAR
View
B+
Retailer 14
-
$1,735 USD
View
Retailer 15
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$1,913 USD
View
Price last confirmed 38 days ago
B
Retailer 16
-
$2,184 USD
View
B
Retailer 17
-
$2,504 USD
View
B
Retailer 18
-
$2,611 USD
SGD 3,529 SGD
View
B
Retailer 19
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$2,650 USD
View
B
Retailer 20
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$2,679 USD
View
B
Retailer 21
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$2,692 USD
View
B
Retailer 22
-
$3,277 USD
£2,580 GBP
View
B
Retailer 23
-
$3,670 USD
€3,495 EUR
View
Most Expensive
B
Brilliant Earth
18991771A · Oct 29
$4,950 USD
View
23 more retailers have this diamond
Prices start from $670 USDSave up to $4,280 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
$670 USD