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Round|Lab Grown|IGI

1.54ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG778657770

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778657770

Diamond specifications and retailer prices

From $368 NZD
As of November 5, 2026
Save $1,589 NZD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,957 NZD at Brilliant Earth · As of November 5, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778657770 or 778657770. Listed at 21 retailers as of November 5, 2026, with prices from $368 to $1,957, a $1,589 spread on the same certified stone. Brilliant Earth lists it at $1,957. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778657770
Dimensions7.44 × 7.39 × 4.51 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
7.44 mm7.39 mm1.54 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778657770
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.8%

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: Nov 5
Current: $1,957 NZD|Low: $361 NZD|High: $2,722 NZD|Avg: $1,141 NZD|-28.1%
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
November 5, 2026
Retailer 7$368 NZD
Retailer 3$411 NZD
Retailer 18$427 NZD
Retailer 15$457 NZD
Retailer 8$459 NZD
Retailer 13$788 NZD
Retailer 4$790 NZD
Retailer 9$822 NZD
Retailer 17$1,048 NZD
Retailer 12$1,064 NZD
Retailer 11$1,211 NZD
Retailer 2$1,281 NZD
Retailer 16$1,468 NZD
Retailer 10$1,487 NZD
Retailer 6$1,562 NZD
Retailer 14$1,829 NZD
Retailer 5$1,846 NZD
Brilliant Earth$1,957 NZD

36 data points across 18 retailers

21 retailers$368 NZD to $1,957 NZD

A
Cheapest Retailer
-
$368 NZD
Retailer 2
-
$375 NZD
View
Price last confirmed 48 days ago
A
Retailer 3
-
$411 NZD
View
Final sale: no returns
A
Retailer 4
-
$427 NZD
View
Retailer 5
-
$455 NZD
View
Price last confirmed 47 days ago
A
Retailer 6
-
$457 NZD
View
Retailer 7
-
$459 NZD
View
Price last confirmed 11 days ago
A
Retailer 8
-
$788 NZD
View
B+
Retailer 9
-
$790 NZD
View
A
Retailer 10
-
$822 NZD
View
A
Retailer 11
-
$1,048 NZD
View
A
Retailer 12
-
$1,064 NZD
View
B+
Retailer 13
-
$1,211 NZD
View
B+
Retailer 14
-
$1,281 NZD
View
B+
Retailer 15
-
$1,468 NZD
View
Retailer 16
-
$1,485 NZD
View
Price last confirmed 45 days ago
B+
Retailer 17
-
$1,487 NZD
View
B+
Retailer 18
-
$1,562 NZD
View
B+
Retailer 19
-
$1,829 NZD
View
B+
Retailer 20
-
$1,846 NZD
View
Most Expensive
B+
Brilliant Earth
21501128A · Nov 5
$1,957 NZD
$1,100 USD
View
20 more retailers have this diamond
Prices start from $368 NZDSave up to $1,589 NZD

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
$368 NZD