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Oval|Lab Grown|IGI

1.54ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG739559978

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG739559978

Diamond specifications and retailer prices

From $567 NZD
As of November 4, 2026
Save $4,627 NZD (89%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $5,194 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.54ct lab-grown oval diamond

This 1.54ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739559978 or 739559978. Listed at 29 retailers as of November 4, 2026, with prices from $567 to $5,194, a $4,627 spread on the same certified stone. Brilliant Earth lists it at $5,194. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739559978
Dimensions9.40 × 6.44 × 4.06 mm
L/W Ratio1.46
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
9.40 mm6.44 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739559978
Side View
Table 57.0%Crown 36.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.0%

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 4
Current: $5,194 NZD|Low: $567 NZD|High: $8,752 NZD|Avg: $1,975 NZD|-40.7%
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
November 6, 2026
Retailer 17$567 NZD
Retailer 10$728 NZD
Retailer 3$889 NZD
Retailer 18$907 NZD
Retailer 19$1,035 NZD
Retailer 15$1,085 NZD
Retailer 7$1,094 NZD
Retailer 2$1,098 NZD
Retailer 8$1,258 NZD
Retailer 9$1,409 NZD
Retailer 13$1,475 NZD
Retailer 4$1,850 NZD
Retailer 20$1,934 NZD
Retailer 11$2,110 NZD
Retailer 12$2,120 NZD
Retailer 6$2,419 NZD
Retailer 16$2,521 NZD
Retailer 5$2,606 NZD
Retailer 14$2,777 NZD
Retailer 21$3,408 NZD
Brilliant Earth$5,194 NZD

39 data points across 21 retailers

29 retailers$567 NZD to $5,194 NZD

A+
Cheapest Retailer
-
$567 NZD
Final sale: no returns
Retailer 2
-
$626 NZD
View
Price last confirmed 42 days ago
A
Retailer 3
-
$630 NZD
View
Retailer 4
-
$630 NZD
View
Price last confirmed 27 days ago
Retailer 5
-
$630 NZD
View
Price last confirmed 35 days ago
Retailer 6
-
$660 NZD
View
Price last confirmed 38 days ago
A
Retailer 7
-
$728 NZD
View
A
Retailer 8
-
$889 NZD
View
A
Retailer 9
-
$907 NZD
View
A
Retailer 10
-
$1,035 NZD
View
A
Retailer 11
-
$1,085 NZD
View
A
Retailer 12
-
$1,094 NZD
View
A
Retailer 13
-
$1,098 NZD
View
A
Retailer 14
-
$1,258 NZD
View
A
Retailer 15
-
$1,409 NZD
View
A
Retailer 16
-
$1,475 NZD
View
B+
Retailer 17
-
$1,850 NZD
View
B+
Retailer 18
-
$1,934 NZD
View
Retailer 19
-
$2,023 NZD
View
Price last confirmed 27 days ago
B+
Retailer 20
-
$2,110 NZD
View
B+
Retailer 21
-
$2,120 NZD
View
Retailer 22
-
$2,151 NZD
View
Price last confirmed 37 days ago
B+
Retailer 23
-
$2,419 NZD
View
B+
Retailer 24
-
$2,521 NZD
View
B+
Retailer 25
-
$2,606 NZD
View
B+
Retailer 26
-
$2,777 NZD
View
Retailer 27
-
$3,408 NZD
View
Price last confirmed 29 days ago
Retailer 28
-
$4,323 NZD
View
Price last confirmed 39 days ago
Most Expensive
B
Brilliant Earth
16164102A · Nov 4
$5,194 NZD
$2,920 USD
View
28 more retailers have this diamond
Prices start from $567 NZDSave up to $4,627 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 Oval
$567 NZD