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Oval|Lab Grown|IGI

1.55ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG733511650

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG733511650

Diamond specifications and retailer prices

From $1,315 NZD
$741 USD
As of October 30, 2026
Save $4,454 NZD (77%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $9,652 NZD at Brilliant Earth · As of October 31, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG733511650 or 733511650. Listed at 26 retailers as of October 29, 2026, with a 339% 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733511650
Dimensions9.18 × 6.58 × 4.09 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
9.18 mm6.58 mm1.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733511650
Side View
Table 57.0%Crown 34.4°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 62.2%

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: Oct 30
Current: $9,652 NZD|Low: $1,175 NZD|High: $9,652 NZD|Avg: $3,364 NZD
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
November 1, 2026
Retailer 17$1,175 NZD
Retailer 8$1,315 NZD
Retailer 5$1,363 NZD
Retailer 10$1,677 NZD
Retailer 7$1,796 NZD
Retailer 3$1,952 NZD
Retailer 14$2,108 NZD
Retailer 2$2,179 NZD
Retailer 12$2,504 NZD
Retailer 16$3,479 NZD
Retailer 9$4,245 NZD
Retailer 4$4,402 NZD
Retailer 13$4,501 NZD
Retailer 6$4,591 NZD
Retailer 15$4,613 NZD
Retailer 11$5,769 NZD
Brilliant Earth$9,652 NZD

44 data points across 17 retailers

26 retailers$1,315 NZD to $5,769 NZD

Retailer 1
-
$1,175 NZD
$662 USD
Price last confirmed 21 days ago
Retailer 2
-
$1,277 NZD
$720 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$1,315 NZD
$741 USD
View
Final sale: no returns
A
Retailer 4
-
$1,363 NZD
$768 USD
View
Retailer 5
-
$1,363 NZD
$768 USD
View
Price last confirmed 19 days ago
Retailer 6
-
$1,363 NZD
$768 USD
View
Price last confirmed 29 days ago
Retailer 7
-
$1,363 NZD
$768 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
$1,677 NZD
$945 USD
View
B+
Retailer 9
-
$1,796 NZD
$1,012 USD
View
B+
Retailer 10
-
$1,952 NZD
$1,100 USD
View
B+
Retailer 11
-
$2,072 NZD
$1,168 USD
View
B+
Retailer 12
-
$2,108 NZD
A$1,828 AUD
View
B+
Retailer 13
-
$2,179 NZD
£967 GBP
View
B+
Retailer 14
-
$2,504 NZD
ZAR 22,799 ZAR
View
B
Retailer 15
-
$3,479 NZD
$1,961 USD
View
Retailer 16
-
$3,831 NZD
$2,159 USD
View
Price last confirmed 24 days ago
B
Retailer 17
-
$4,245 NZD
£1,884 GBP
View
B+
Retailer 18
-
$4,402 NZD
$2,481 USD
View
B
Retailer 19
-
$4,501 NZD
€2,416 EUR
View
B
Retailer 20
-
$4,591 NZD
SGD 3,497 SGD
View
Retailer 21
-
$4,613 NZD
$2,600 USD
View
Price last confirmed 10 days ago
B
Retailer 22
-
$4,647 NZD
$2,619 USD
View
B
Retailer 23
-
$4,700 NZD
$2,649 USD
View
B
Retailer 24
-
$4,733 NZD
$2,668 USD
View
B
Retailer 25
-
$5,769 NZD
£2,560 GBP
View
Most Expensive
Brilliant Earth
16334558A · Oct 31
$9,652 NZD
$5,440 USD
View
Price under review
25 more retailers have this diamond
Prices start from $1,315 NZDSave up to $4,454 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
$1,315 NZD