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Oval|Lab Grown|IGI

1.55ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG700515678

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG700515678

Diamond specifications and retailer prices

From $849 NZD
As of November 5, 2026
Save $7,993 NZD (90%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $8,841 NZD at Brilliant Earth · As of November 3, 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 LG700515678 or 700515678. Listed at 29 retailers as of November 3, 2026, with prices from $849 to $8,841, a $7,993 spread on the same certified stone. Brilliant Earth lists it at $8,841. 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 angle32.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700515678
Dimensions9.34 × 6.69 × 4.08 mm
L/W Ratio1.40
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
9.34 mm6.69 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700515678
Side View
Table 59.0%Crown 32.3°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
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: $8,841 NZD|Low: $849 NZD|High: $8,841 NZD|Avg: $2,142 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 6$849 NZD
Retailer 4$950 NZD
Retailer 8$1,051 NZD
Retailer 9$1,051 NZD
Retailer 11$1,105 NZD
Retailer 18$1,299 NZD
Retailer 5$1,605 NZD
Retailer 2$1,727 NZD
Retailer 17$1,777 NZD
Retailer 14$1,813 NZD
Retailer 12$2,455 NZD
Retailer 13$2,827 NZD
Retailer 7$3,380 NZD
Retailer 3$3,586 NZD
Retailer 10$3,649 NZD
Retailer 16$3,862 NZD
Retailer 15$4,465 NZD
Brilliant Earth$8,841 NZD

32 data points across 18 retailers

29 retailers$849 NZD to $8,841 NZD

A
Cheapest Retailer
-
$849 NZD
A
Retailer 2
-
$948 NZD
View
Final sale: no returns
A
Retailer 3
-
$950 NZD
View
Retailer 4
-
$1,051 NZD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$1,051 NZD
View
A
Retailer 6
-
$1,105 NZD
View
A
Retailer 7
-
$1,299 NZD
View
A
Retailer 8
-
$1,405 NZD
View
A
Retailer 9
-
$1,471 NZD
View
A
Retailer 10
-
$1,605 NZD
View
A
Retailer 11
-
$1,727 NZD
View
A
Retailer 12
-
$1,777 NZD
View
A
Retailer 13
-
$1,813 NZD
View
B+
Retailer 14
-
$1,991 NZD
View
B+
Retailer 15
-
$2,455 NZD
View
B+
Retailer 16
-
$2,469 NZD
View
B+
Retailer 17
-
$2,827 NZD
View
B+
Retailer 18
-
$3,063 NZD
View
B
Retailer 19
-
$3,321 NZD
View
B+
Retailer 20
-
$3,380 NZD
View
B
Retailer 21
-
$3,431 NZD
View
B+
Retailer 22
-
$3,586 NZD
View
B
Retailer 23
-
$3,649 NZD
View
B
Retailer 24
-
$3,693 NZD
View
B+
Retailer 25
-
$3,862 NZD
View
B
Retailer 26
-
$3,933 NZD
View
B
Retailer 27
-
$4,465 NZD
View
B
Retailer 28
-
$8,841 NZD
View
Most Expensive
B
Brilliant Earth
14819721A · Nov 3
$8,841 NZD
$4,970 USD
View
28 more retailers have this diamond
Prices start from $849 NZDSave up to $7,993 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
$849 NZD