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Oval|Lab Grown|IGI

1.55ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG689565873

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG689565873

Diamond specifications and retailer prices

From $571 NZD
As of November 4, 2026
Save $4,659 NZD (89%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $5,230 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 LG689565873 or 689565873. Listed at 31 retailers as of November 4, 2026, with prices from $571 to $5,230, a $4,659 spread on the same certified stone. Brilliant Earth lists it at $5,230. 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 angle35°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689565873
Dimensions9.29 × 6.61 × 4.05 mm
L/W Ratio1.41
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
9.29 mm6.61 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689565873
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
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 4
Current: $5,230 NZD|Low: $571 NZD|High: $8,806 NZD|Avg: $1,943 NZD|-40.6%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 6, 2026
Retailer 16$571 NZD
Retailer 10$728 NZD
Retailer 3$893 NZD
Retailer 19$898 NZD
Retailer 20$1,041 NZD
Retailer 17$1,090 NZD
Retailer 7$1,099 NZD
Retailer 2$1,106 NZD
Retailer 8$1,258 NZD
Retailer 9$1,418 NZD
Retailer 15$1,484 NZD
Retailer 4$1,873 NZD
Retailer 21$1,944 NZD
Retailer 14$2,096 NZD
Retailer 11$2,122 NZD
Retailer 12$2,131 NZD
Retailer 6$2,435 NZD
Retailer 13$2,530 NZD
Retailer 5$2,617 NZD
Retailer 18$3,396 NZD
Brilliant Earth$5,230 NZD

37 data points across 21 retailers

31 retailers$571 NZD to $5,230 NZD

Retailer 1
-
$543 NZD
Price last confirmed 39 days ago
A
Retailer 2
-
$571 NZD
View
Final sale: no returns
Retailer 3
-
$592 NZD
View
Price last confirmed 24 days ago
Retailer 4
-
$630 NZD
View
Price last confirmed 42 days ago
A
Retailer 5
-
$633 NZD
View
Retailer 6
-
$633 NZD
View
Price last confirmed 27 days ago
Retailer 7
-
$633 NZD
View
Price last confirmed 35 days ago
Retailer 8
-
$664 NZD
View
Price last confirmed 38 days ago
A
Retailer 9
-
$728 NZD
View
A
Retailer 10
-
$893 NZD
View
A
Retailer 11
-
$898 NZD
View
A
Retailer 12
-
$1,041 NZD
View
A
Retailer 13
-
$1,090 NZD
View
A
Retailer 14
-
$1,099 NZD
View
A
Retailer 15
-
$1,106 NZD
View
A
Retailer 16
-
$1,258 NZD
View
A
Retailer 17
-
$1,418 NZD
View
A
Retailer 18
-
$1,484 NZD
View
B+
Retailer 19
-
$1,873 NZD
View
B+
Retailer 20
-
$1,944 NZD
View
Retailer 21
-
$2,035 NZD
View
Price last confirmed 27 days ago
B+
Retailer 22
-
$2,096 NZD
View
B+
Retailer 23
-
$2,122 NZD
View
B+
Retailer 24
-
$2,131 NZD
View
Retailer 25
-
$2,163 NZD
View
Price last confirmed 37 days ago
B+
Retailer 26
-
$2,435 NZD
View
B+
Retailer 27
-
$2,530 NZD
View
B+
Retailer 28
-
$2,617 NZD
View
B+
Retailer 29
-
$3,396 NZD
View
Retailer 30
-
$4,323 NZD
View
Price last confirmed 39 days ago
Most Expensive
B
Brilliant Earth
13883160A · Nov 4
$5,230 NZD
$2,940 USD
View
30 more retailers have this diamond
Prices start from $571 NZDSave up to $4,659 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
$571 NZD