Oval|Lab Grown|IGI

1.54ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG646485551

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG646485551

Diamond specifications and retailer prices

From $512 NZD
As of November 5, 2026
Save $4,228 NZD (89%) vs most expensive(unlock to see where)
34 retailers carry this diamond
Most expensive: $4,741 NZD at Rare Carat · As of November 1, 2026
View at Rare Carat

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 LG646485551 or 646485551. Listed at 34 retailers as of November 1, 2026, with prices from $512 to $4,741, a $4,228 spread on the same certified stone. Rare Carat lists it at $4,741. 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 angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG646485551
Dimensions9.51 × 6.48 × 4.05 mm
L/W Ratio1.47
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
9.51 mm6.48 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG646485551
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

Caratlytics Score

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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: Nov 5
Current: $4,741 NZD|Low: $512 NZD|High: $5,924 NZD|Avg: $2,019 NZD|-0.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 16
Retailer 17
Retailer 18
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Retailer 21
Retailer 22
November 6, 2026
Retailer 13$512 NZD
Retailer 3$836 NZD
Retailer 12$865 NZD
Retailer 4$889 NZD
Retailer 21$1,035 NZD
Retailer 9$1,041 NZD
Retailer 18$1,085 NZD
Retailer 2$1,098 NZD
Retailer 10$1,245 NZD
Retailer 11$1,409 NZD
Retailer 5$1,439 NZD
Retailer 17$1,475 NZD
Retailer 22$1,752 NZD
Retailer 7$2,241 NZD
Retailer 14$2,318 NZD
Retailer 6$2,450 NZD
Retailer 15$2,482 NZD
Retailer 16$2,514 NZD
Retailer 19$3,369 NZD
Retailer 8$4,091 NZD
Retailer 20$4,714 NZD
Rare Carat$4,741 NZD

37 data points across 22 retailers

34 retailers$512 NZD to $4,741 NZD

Retailer 1
-
$489 NZD
Price last confirmed 39 days ago
A
Retailer 2
-
$512 NZD
View
Final sale: no returns
Retailer 3
-
$534 NZD
View
Price last confirmed 24 days ago
Retailer 4
-
$567 NZD
View
Price last confirmed 42 days ago
A
Retailer 5
-
$571 NZD
View
Retailer 6
-
$571 NZD
View
Price last confirmed 27 days ago
Retailer 7
-
$571 NZD
View
Price last confirmed 35 days ago
Retailer 8
-
$598 NZD
View
Price last confirmed 38 days ago
A
Retailer 9
-
$836 NZD
View
A
Retailer 10
-
$865 NZD
View
A
Retailer 11
-
$889 NZD
View
A
Retailer 12
-
$1,035 NZD
View
A
Retailer 13
-
$1,041 NZD
View
A
Retailer 14
-
$1,085 NZD
View
A
Retailer 15
-
$1,098 NZD
View
A
Retailer 16
-
$1,245 NZD
View
A
Retailer 17
-
$1,409 NZD
View
A
Retailer 18
-
$1,439 NZD
View
A
Retailer 19
-
$1,475 NZD
View
B+
Retailer 20
-
$1,752 NZD
View
Retailer 21
-
$2,023 NZD
View
Price last confirmed 27 days ago
Retailer 22
-
$2,151 NZD
View
Price last confirmed 37 days ago
B+
Retailer 23
-
$2,241 NZD
View
B+
Retailer 24
-
$2,318 NZD
View
B+
Retailer 25
-
$2,450 NZD
View
B+
Retailer 26
-
$2,482 NZD
View
B+
Retailer 27
-
$2,514 NZD
View
B+
Retailer 28
-
$3,369 NZD
View
B
Retailer 29
-
$4,091 NZD
View
Retailer 30
-
$4,269 NZD
View
Price last confirmed 19 days ago
Retailer 31
-
$4,527 NZD
View
Price last confirmed 16 days ago
B
Retailer 32
-
$4,714 NZD
View
B
Retailer 33
-
$4,741 NZD
View
Most Expensive
B
Rare Carat
ES-AA-48980_l_678549223 · Nov 1
$4,741 NZD
$2,665 USD
View
33 more retailers have this diamond
Prices start from $512 NZDSave up to $4,228 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
$512 NZD