CaratHunter
Plans
Round|Lab Grown|IGI

1.54ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG786646543

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786646543

Diamond specifications and retailer prices

From $430 USD
As of October 29, 2026
Save $4,060 USD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,490 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG786646543 or 786646543. Listed at 24 retailers as of October 29, 2026, with prices from $430 to $4,490, a $4,060 spread on the same certified stone. Brilliant Earth lists it at $4,490. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786646543
Dimensions7.34 × 7.39 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.34 mm7.39 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786646543
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.3%

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: $4,490 USD|Low: $413 USD|High: $4,620 USD|Avg: $1,204 USD|-2.8%
Brilliant Earth
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
Retailer 17
Retailer 18
October 30, 2026
Retailer 17$430 USD
Retailer 6$482 USD
Retailer 8$482 USD
Retailer 9$533 USD
Retailer 18$533 USD
Retailer 15$680 USD
Retailer 10$715 USD
Retailer 5$774 USD
Retailer 13$836 USD
Retailer 2$877 USD
Retailer 14$917 USD
Retailer 11$1,242 USD
Retailer 16$1,288 USD
Retailer 4$1,692 USD
Retailer 7$1,715 USD
Retailer 12$1,970 USD
Retailer 3$1,996 USD
Brilliant Earth$4,490 USD

44 data points across 18 retailers

24 retailers$430 USD to $4,490 USD

A
Cheapest Retailer
-
$430 USD
A
Retailer 2
-
$482 USD
View
Final sale: no returns
A
Retailer 3
-
$482 USD
View
A
Retailer 4
-
$533 USD
View
A
Retailer 5
-
$533 USD
View
A
Retailer 6
-
$589 USD
HK$4,600 HKD
View
A
Retailer 7
-
$680 USD
View
A
Retailer 8
-
$715 USD
View
A
Retailer 9
-
$774 USD
View
A
Retailer 10
-
$836 USD
€796 EUR
View
A
Retailer 11
-
$877 USD
£691 GBP
View
A
Retailer 12
-
$917 USD
ZAR 14,809 ZAR
View
A
Retailer 13
-
$1,033 USD
View
B+
Retailer 14
-
$1,242 USD
A$1,911 AUD
View
B+
Retailer 15
-
$1,288 USD
View
B+
Retailer 16
-
$1,692 USD
SGD 2,287 SGD
View
B+
Retailer 17
-
$1,715 USD
View
B+
Retailer 18
-
$1,747 USD
View
B
Retailer 19
-
$1,928 USD
View
B+
Retailer 20
-
$1,970 USD
£1,551 GBP
View
B+
Retailer 21
-
$1,996 USD
View
B
Retailer 22
-
$2,308 USD
View
B
Retailer 23
-
$2,908 USD
£2,290 GBP
View
Most Expensive
B
Brilliant Earth
21370634A · Oct 29
$4,490 USD
View
23 more retailers have this diamond
Prices start from $430 USDSave up to $4,060 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
$430 USD