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Round|Lab Grown|IGI

1.54ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG781617081

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781617081

Diamond specifications and retailer prices

From $777 NZD
$437 USD
As of November 1, 2026
Save $3,684 NZD (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $5,776 NZD at Brilliant Earth · As of October 16, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG781617081 or 781617081. Listed at 26 retailers as of November 1, 2026, with a 474% 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
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781617081
Dimensions7.29 × 7.36 × 4.58 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
7.29 mm7.36 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781617081
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A+
Exceptional
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 1
Current: $4,461 NZD|Low: $777 NZD|High: $5,794 NZD|Avg: $2,095 NZD|-23.0%
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 3, 2026
Retailer 3$777 NZD
Retailer 22$871 NZD
Retailer 19$901 NZD
Retailer 7$963 NZD
Retailer 8$963 NZD
Retailer 21$1,046 NZD
Retailer 20$1,217 NZD
Retailer 9$1,294 NZD
Retailer 13$1,510 NZD
Retailer 6$1,523 NZD
Retailer 2$1,586 NZD
Retailer 16$1,661 NZD
Retailer 15$1,696 NZD
Retailer 5$1,841 NZD
Retailer 18$2,190 NZD
Retailer 11$3,059 NZD
Retailer 4$3,098 NZD
Retailer 14$3,157 NZD
Retailer 10$3,466 NZD
Retailer 17$3,539 NZD
Retailer 12$3,606 NZD
Brilliant Earth$4,461 NZD

37 data points across 22 retailers

26 retailers$777 NZD to $4,461 NZD

A+
Cheapest Retailer
-
$777 NZD
$437 USD
A
Retailer 2
-
$871 NZD
$490 USD
View
A
Retailer 3
-
$901 NZD
$507 USD
View
Final sale: no returns
A
Retailer 4
-
$963 NZD
$542 USD
View
Retailer 5
-
$963 NZD
$542 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,046 NZD
HK$4,600 HKD
View
A
Retailer 7
-
$1,217 NZD
$685 USD
View
A
Retailer 8
-
$1,294 NZD
$728 USD
View
A
Retailer 9
-
$1,510 NZD
€809 EUR
View
A
Retailer 10
-
$1,523 NZD
$857 USD
View
A
Retailer 11
-
$1,586 NZD
£703 GBP
View
A
Retailer 12
-
$1,661 NZD
ZAR 15,102 ZAR
View
A
Retailer 13
-
$1,696 NZD
A$1,468 AUD
View
A
Retailer 14
-
$1,841 NZD
$1,036 USD
View
B+
Retailer 15
-
$2,190 NZD
$1,232 USD
View
Retailer 16
-
$2,717 NZD
$1,529 USD
View
Price last confirmed 48 days ago
B+
Retailer 17
-
$3,059 NZD
SGD 2,326 SGD
View
B
Retailer 18
-
$3,098 NZD
$1,743 USD
View
B+
Retailer 19
-
$3,157 NZD
$1,776 USD
View
B+
Retailer 20
-
$3,217 NZD
$1,810 USD
View
B+
Retailer 21
-
$3,372 NZD
$1,897 USD
View
B+
Retailer 22
-
$3,466 NZD
$1,950 USD
View
B+
Retailer 23
-
$3,539 NZD
£1,568 GBP
View
B+
Retailer 24
-
$3,606 NZD
$2,029 USD
View
B
Retailer 25
-
$4,461 NZD
$2,510 USD
View
Most Expensive
Brilliant Earth
18904911A · Oct 16
$5,776 NZD
$3,250 USD
View
Price last confirmed 17 days ago
25 more retailers have this diamond
Prices start from $777 NZDSave up to $3,684 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
$777 NZD