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Round|Lab Grown|IGI

1.54ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG778644698

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778644698

Diamond specifications and retailer prices

From $559 NZD
$315 USD
As of October 29, 2026
Save $3,575 NZD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,134 NZD at Brilliant Earth · As of October 30, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778644698 or 778644698. Listed at 24 retailers as of October 29, 2026, with prices from $559 to $4,134, a $3,575 spread on the same certified stone. Brilliant Earth lists it at $4,134. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778644698
Dimensions7.39 × 7.44 × 4.55 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
7.39 mm7.44 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778644698
Side View
Table 57.0%Crown 33.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.4%

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: $4,134 NZD|Low: $545 NZD|High: $5,021 NZD|Avg: $1,671 NZD|-17.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 11
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Retailer 24
October 30, 2026
Retailer 3$559 NZD
Retailer 4$626 NZD
Retailer 13$649 NZD
Retailer 14$696 NZD
Retailer 16$696 NZD
Retailer 10$967 NZD
Retailer 21$1,045 NZD
Retailer 6$1,118 NZD
Retailer 18$1,127 NZD
Retailer 9$1,196 NZD
Retailer 17$1,209 NZD
Retailer 22$1,233 NZD
Retailer 23$1,611 NZD
Retailer 8$1,622 NZD
Retailer 2$1,680 NZD
Retailer 7$2,208 NZD
Retailer 15$2,237 NZD
Retailer 24$2,310 NZD
Retailer 12$2,459 NZD
Retailer 19$2,487 NZD
Retailer 20$2,770 NZD
Retailer 5$2,794 NZD
Retailer 11$3,788 NZD
Brilliant Earth$4,134 NZD

24 data points across 24 retailers

24 retailers$559 NZD to $4,134 NZD

A
Cheapest Retailer
-
$559 NZD
$315 USD
A
Retailer 2
-
$626 NZD
$353 USD
View
Final sale: no returns
A
Retailer 3
-
$649 NZD
$366 USD
View
A
Retailer 4
-
$696 NZD
$392 USD
View
A
Retailer 5
-
$696 NZD
$392 USD
View
A
Retailer 6
-
$967 NZD
$545 USD
View
A
Retailer 7
-
$1,045 NZD
£464 GBP
View
A
Retailer 8
-
$1,118 NZD
€600 EUR
View
A
Retailer 9
-
$1,127 NZD
$635 USD
View
A
Retailer 10
-
$1,196 NZD
ZAR 10,887 ZAR
View
A
Retailer 11
-
$1,209 NZD
A$1,048 AUD
View
A
Retailer 12
-
$1,233 NZD
£547 GBP
View
A
Retailer 13
-
$1,611 NZD
$908 USD
View
A
Retailer 14
-
$1,622 NZD
A$1,406 AUD
View
A
Retailer 15
-
$1,680 NZD
$947 USD
View
B+
Retailer 16
-
$2,208 NZD
SGD 1,682 SGD
View
B+
Retailer 17
-
$2,237 NZD
$1,261 USD
View
B+
Retailer 18
-
$2,310 NZD
$1,302 USD
View
B+
Retailer 19
-
$2,459 NZD
$1,386 USD
View
B+
Retailer 20
-
$2,487 NZD
A$2,156 AUD
View
B+
Retailer 21
-
$2,770 NZD
$1,561 USD
View
B+
Retailer 22
-
$2,794 NZD
£1,240 GBP
View
Retailer 23
-
$3,788 NZD
$2,135 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20665183A · Oct 30
$4,134 NZD
$2,330 USD
View
23 more retailers have this diamond
Prices start from $559 NZDSave up to $3,575 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
$559 NZD