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Round|Lab Grown|IGI

1.54ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG783666390

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783666390

Diamond specifications and retailer prices

From $227 USD
As of November 1, 2026
Save $1,054 USD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,650 USD at Brilliant Earth · As of October 20, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783666390 or 783666390. Listed at 23 retailers as of November 1, 2026, with a 464% 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
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783666390
Dimensions7.34 × 7.38 × 4.54 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
7.34 mm7.38 mm1.54 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783666390
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.7%

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: Nov 1
Current: $1,650 USD|Low: $218 USD|High: $1,650 USD|Avg: $671 USD
Brilliant Earth
Retailer 2
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Retailer 5
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Retailer 7
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Retailer 22
November 1, 2026
Retailer 4$227 USD
Retailer 6$253 USD
Retailer 14$264 USD
Retailer 11$282 USD
Retailer 3$380 USD
Retailer 13$424 USD
Retailer 17$454 USD
Retailer 12$486 USD
Retailer 2$487 USD
Retailer 16$525 USD
Retailer 22$558 USD
Retailer 9$611 USD
Retailer 20$658 USD
Retailer 18$695 USD
Retailer 8$906 USD
Retailer 15$913 USD
Retailer 10$959 USD
Retailer 19$1,101 USD
Retailer 21$1,132 USD
Retailer 5$1,148 USD
Retailer 7$1,281 USD
Brilliant Earth$1,650 USD

37 data points across 22 retailers

23 retailers$227 USD to $1,281 USD

A
Cheapest Retailer
-
$227 USD
A
Retailer 2
-
$253 USD
View
Final sale: no returns
A
Retailer 3
-
$264 USD
View
A
Retailer 4
-
$282 USD
View
Retailer 5
-
$282 USD
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$380 USD
View
A
Retailer 7
-
$424 USD
£334 GBP
View
A
Retailer 8
-
$454 USD
€432 EUR
View
A
Retailer 9
-
$486 USD
View
A
Retailer 10
-
$487 USD
ZAR 7,865 ZAR
View
A
Retailer 11
-
$525 USD
£414 GBP
View
A
Retailer 12
-
$558 USD
A$858 AUD
View
B+
Retailer 13
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$611 USD
View
B+
Retailer 14
-
$658 USD
A$1,013 AUD
View
B+
Retailer 15
-
$695 USD
View
B+
Retailer 16
-
$906 USD
View
B+
Retailer 17
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$913 USD
SGD 1,234 SGD
View
B
Retailer 18
-
$959 USD
View
B
Retailer 19
-
$1,101 USD
A$1,694 AUD
View
Retailer 20
-
$1,132 USD
£891 GBP
View
Price last confirmed 7 days ago
B
Retailer 21
-
$1,148 USD
View
B
Retailer 22
-
$1,281 USD
View
Most Expensive
Brilliant Earth
18358992A · Oct 20
$1,650 USD
View
Price last confirmed 12 days ago
22 more retailers have this diamond
Prices start from $227 USDSave up to $1,054 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
$227 USD