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Oval|Lab Grown|IGI

1.55ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG784669499

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG784669499

Diamond specifications and retailer prices

From $484 NZD
As of November 5, 2026
Save $1,914 NZD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,278 NZD at Rare Carat · As of October 5, 2026
View at Rare Carat

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 LG784669499 or 784669499. Listed at 21 retailers as of November 5, 2026, with a 396% 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

1.55
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784669499
Dimensions9.54 × 6.41 × 4.05 mm
L/W Ratio1.49
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
9.54 mm6.41 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784669499
Side View
Table 58.0%Crown 36.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.2%

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 5
Current: $4,278 NZD|Low: $482 NZD|High: $8,806 NZD|Avg: $1,789 NZD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
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Retailer 22
November 6, 2026
Retailer 8$484 NZD
Retailer 7$541 NZD
Retailer 5$562 NZD
Retailer 21$599 NZD
Retailer 15$623 NZD
Retailer 13$630 NZD
Retailer 17$881 NZD
Retailer 9$994 NZD
Retailer 12$1,018 NZD
Retailer 19$1,034 NZD
Retailer 2$1,044 NZD
Retailer 11$1,203 NZD
Retailer 18$1,407 NZD
Retailer 20$1,845 NZD
Retailer 4$1,863 NZD
Retailer 10$1,914 NZD
Retailer 22$1,930 NZD
Retailer 6$2,309 NZD
Retailer 3$2,384 NZD
Retailer 16$2,398 NZD
Rare Carat$4,278 NZD
Retailer 14$8,806 NZD

32 data points across 22 retailers

21 retailers$484 NZD to $2,398 NZD

A+
Cheapest Retailer
-
$484 NZD
A
Retailer 2
-
$541 NZD
View
Final sale: no returns
A
Retailer 3
-
$562 NZD
View
A
Retailer 4
-
$599 NZD
View
Retailer 5
-
$623 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$630 NZD
View
A
Retailer 7
-
$881 NZD
View
A
Retailer 8
-
$994 NZD
View
A
Retailer 9
-
$1,034 NZD
View
A
Retailer 10
-
$1,044 NZD
View
A
Retailer 11
-
$1,203 NZD
View
Retailer 12
-
$1,386 NZD
View
Price last confirmed 22 days ago
A
Retailer 13
-
$1,407 NZD
View
B+
Retailer 14
-
$1,845 NZD
View
B+
Retailer 15
-
$1,863 NZD
View
B+
Retailer 16
-
$1,914 NZD
View
B+
Retailer 17
-
$1,930 NZD
View
B+
Retailer 18
-
$2,309 NZD
View
B+
Retailer 19
-
$2,384 NZD
View
B+
Retailer 20
-
$2,398 NZD
View
Most Expensive
Rare Carat
C131-15A · Oct 5
$4,278 NZD
$2,405 USD
View
Price last confirmed 32 days ago
20 more retailers have this diamond
Prices start from $484 NZDSave up to $1,914 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
$484 NZD