Round|Lab Grown|IGI

1.54ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG778659488

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778659488

Diamond specifications and retailer prices

From $186 USD
As of October 29, 2026
Save $775 USD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $961 USD at Brilliance · As of October 27, 2026
View at Brilliance

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778659488 or 778659488. Listed at 11 retailers as of October 27, 2026, with prices from $186 to $961, a $775 spread on the same certified stone. Brilliance lists it at $961. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778659488
Dimensions7.47 × 7.42 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.47 mm7.42 mm1.54 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778659488
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 41°Culet: NoneDepth 61.3%

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: $961 USD|Low: $185 USD|High: $995 USD|Avg: $420 USD|-3.4%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 2$186 USD
Retailer 13$207 USD
Retailer 9$216 USD
Retailer 8$231 USD
Retailer 5$239 USD
Retailer 4$315 USD
Retailer 7$396 USD
Retailer 11$463 USD
Retailer 10$538 USD
Retailer 12$566 USD
Retailer 6$742 USD
Retailer 3$784 USD
Brilliance$961 USD

29 data points across 13 retailers

11 retailers$186 USD to $961 USD

A
Cheapest Retailer
-
$186 USD
A
Retailer 2
-
$216 USD
View
A
Retailer 3
-
$231 USD
View
B+
Retailer 4
-
$315 USD
View
A
Retailer 5
-
$396 USD
ZAR 6,402 ZAR
View
A
Retailer 6
-
$463 USD
View
A
Retailer 7
-
$538 USD
A$828 AUD
View
B+
Retailer 8
-
$566 USD
View
B+
Retailer 9
-
$742 USD
View
B
Retailer 10
-
$784 USD
View
Most Expensive
B
Brilliance
D40101096 · Oct 27
$961 USD
View
10 more retailers have this diamond
Prices start from $186 USDSave up to $775 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
$186 USD