Oval|Lab Grown|IGI

1.55ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG788629648

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG788629648

Diamond specifications and retailer prices

From $589 NZD
$332 USD
As of October 29, 2026
Save $5,142 NZD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $7,115 NZD at Rare Carat · As of October 21, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788629648 or 788629648. Listed at 24 retailers as of October 29, 2026, with a 873% 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 angle35.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788629648
Dimensions9.12 × 6.71 × 4.02 mm
L/W Ratio1.36
Girdle conditionFaceted
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
9.12 mm6.71 mm1.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788629648
Side View
Table 62.0%Crown 35.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.9%

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: Oct 29
Current: $7,115 NZD|Low: $589 NZD|High: $9,670 NZD|Avg: $2,307 NZD|-0.4%
Rare Carat
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
Retailer 22
October 31, 2026
Retailer 6$589 NZD
Retailer 9$658 NZD
Retailer 21$683 NZD
Retailer 15$731 NZD
Retailer 19$731 NZD
Retailer 18$1,002 NZD
Retailer 4$1,182 NZD
Retailer 3$1,189 NZD
Retailer 17$1,256 NZD
Retailer 2$1,259 NZD
Retailer 16$1,309 NZD
Retailer 7$1,895 NZD
Retailer 5$2,143 NZD
Retailer 14$2,349 NZD
Retailer 10$2,427 NZD
Retailer 11$2,497 NZD
Retailer 22$2,502 NZD
Retailer 12$2,718 NZD
Retailer 8$2,839 NZD
Retailer 20$2,934 NZD
Retailer 13$5,731 NZD
Rare Carat$7,115 NZD

25 data points across 22 retailers

24 retailers$589 NZD to $5,731 NZD

A+
Cheapest Retailer
-
$589 NZD
$332 USD
A
Retailer 2
-
$658 NZD
$371 USD
View
Final sale: no returns
A
Retailer 3
-
$683 NZD
$385 USD
View
A
Retailer 4
-
$731 NZD
$412 USD
View
A
Retailer 5
-
$731 NZD
$412 USD
View
A
Retailer 6
-
$1,002 NZD
$565 USD
View
A
Retailer 7
-
$1,182 NZD
$666 USD
View
A
Retailer 8
-
$1,189 NZD
$670 USD
View
A
Retailer 9
-
$1,256 NZD
ZAR 11,435 ZAR
View
A
Retailer 10
-
$1,259 NZD
€676 EUR
View
A
Retailer 11
-
$1,309 NZD
£581 GBP
View
B+
Retailer 12
-
$1,895 NZD
$1,068 USD
View
Retailer 13
-
$1,913 NZD
$1,078 USD
View
Price last confirmed 26 days ago
B+
Retailer 14
-
$2,143 NZD
$1,208 USD
View
B+
Retailer 15
-
$2,349 NZD
$1,324 USD
View
B+
Retailer 16
-
$2,427 NZD
$1,368 USD
View
B+
Retailer 17
-
$2,497 NZD
SGD 1,902 SGD
View
B+
Retailer 18
-
$2,502 NZD
$1,410 USD
View
B+
Retailer 19
-
$2,551 NZD
$1,438 USD
View
B+
Retailer 20
-
$2,718 NZD
$1,532 USD
View
B+
Retailer 21
-
$2,839 NZD
£1,260 GBP
View
B+
Retailer 22
-
$2,934 NZD
£1,302 GBP
View
B
Retailer 23
-
$5,731 NZD
$3,230 USD
View
Most Expensive
Rare Carat
PE-201206 · Oct 21
$7,115 NZD
$4,010 USD
View
Price last confirmed 10 days ago
23 more retailers have this diamond
Prices start from $589 NZDSave up to $5,142 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
$589 NZD