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Oval|Lab Grown|IGI

1.55ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG727587277

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG727587277

Diamond specifications and retailer prices

From $518 NZD
As of November 5, 2026
Save $4,214 NZD (89%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $4,732 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.55ct lab-grown oval diamond

This 1.55ct 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 LG727587277 or 727587277. Listed at 31 retailers as of November 4, 2026, with prices from $518 to $4,732, a $4,214 spread on the same certified stone. Brilliant Earth lists it at $4,732. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727587277
Dimensions9.63 × 6.56 × 4.00 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
9.63 mm6.56 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727587277
Side View
Table 58.0%Crown 33.7°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.0%

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: $4,732 NZD|Low: $518 NZD|High: $5,959 NZD|Avg: $2,029 NZD|-20.6%
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
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 13$518 NZD
Retailer 21$845 NZD
Retailer 11$865 NZD
Retailer 3$893 NZD
Retailer 19$1,041 NZD
Retailer 8$1,044 NZD
Retailer 18$1,090 NZD
Retailer 2$1,106 NZD
Retailer 9$1,281 NZD
Retailer 10$1,418 NZD
Retailer 4$1,457 NZD
Retailer 17$1,484 NZD
Retailer 20$1,763 NZD
Retailer 6$2,254 NZD
Retailer 12$2,329 NZD
Retailer 5$2,458 NZD
Retailer 14$2,492 NZD
Retailer 16$2,530 NZD
Retailer 22$3,433 NZD
Retailer 7$4,109 NZD
Retailer 15$4,305 NZD
Brilliant Earth$4,732 NZD

42 data points across 22 retailers

31 retailers$518 NZD to $4,732 NZD

Retailer 1
-
$491 NZD
Price last confirmed 39 days ago
A
Retailer 2
-
$518 NZD
View
Final sale: no returns
Retailer 3
-
$537 NZD
View
Price last confirmed 24 days ago
Retailer 4
-
$571 NZD
View
Price last confirmed 42 days ago
A
Retailer 5
-
$573 NZD
View
Retailer 6
-
$573 NZD
View
Price last confirmed 27 days ago
Retailer 7
-
$573 NZD
View
Price last confirmed 35 days ago
Retailer 8
-
$601 NZD
View
Price last confirmed 38 days ago
A
Retailer 9
-
$845 NZD
View
A
Retailer 10
-
$865 NZD
View
A
Retailer 11
-
$893 NZD
View
A
Retailer 12
-
$1,041 NZD
View
A
Retailer 13
-
$1,044 NZD
View
A
Retailer 14
-
$1,090 NZD
View
A
Retailer 15
-
$1,106 NZD
View
A
Retailer 16
-
$1,281 NZD
View
A
Retailer 17
-
$1,418 NZD
View
A
Retailer 18
-
$1,457 NZD
View
A
Retailer 19
-
$1,484 NZD
View
B+
Retailer 20
-
$1,763 NZD
View
Retailer 21
-
$2,035 NZD
View
Price last confirmed 27 days ago
Retailer 22
-
$2,163 NZD
View
Price last confirmed 37 days ago
B+
Retailer 23
-
$2,254 NZD
View
B+
Retailer 24
-
$2,329 NZD
View
B+
Retailer 25
-
$2,458 NZD
View
B+
Retailer 26
-
$2,492 NZD
View
B+
Retailer 27
-
$2,530 NZD
View
Retailer 28
-
$3,433 NZD
View
Price last confirmed 29 days ago
B
Retailer 29
-
$4,109 NZD
View
Retailer 30
-
$4,305 NZD
View
Price last confirmed 39 days ago
Most Expensive
B
Brilliant Earth
16223322Y · Nov 4
$4,732 NZD
$2,660 USD
View
30 more retailers have this diamond
Prices start from $518 NZDSave up to $4,214 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
1.55ct Oval
$518 NZD