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Round|Lab Grown|IGI

1.55ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG830622671

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830622671

Diamond specifications and retailer prices

From $955 NZD
$538 USD
As of October 30, 2026
Save $3,481 NZD (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,799 NZD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830622671 or 830622671. Listed at 20 retailers as of October 30, 2026, with a 365% 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
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830622671
Dimensions7.41 × 7.46 × 4.54 mm
L/W Ratio1.01
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
7.41 mm7.46 mm1.55 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830622671
Side View
Table 58.0%Crown 33.2°Girdle: MED-STKPavilion 40.8°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: Oct 30
Current: $4,799 NZD|Low: $955 NZD|High: $5,483 NZD|Avg: $2,682 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
October 31, 2026
Retailer 6$955 NZD
Retailer 16$1,487 NZD
Retailer 9$1,490 NZD
Retailer 12$1,593 NZD
Retailer 13$1,613 NZD
Retailer 4$1,730 NZD
Retailer 2$1,735 NZD
Retailer 15$1,816 NZD
Retailer 10$2,433 NZD
Retailer 7$2,462 NZD
Retailer 8$3,448 NZD
Retailer 5$3,680 NZD
Retailer 3$3,705 NZD
Retailer 14$3,903 NZD
Retailer 11$4,436 NZD
Rare Carat$4,799 NZD

27 data points across 16 retailers

20 retailers$955 NZD to $4,436 NZD

Retailer 1
-
$868 NZD
$489 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$955 NZD
$538 USD
View
Final sale: no returns
Retailer 3
-
$1,075 NZD
$606 USD
View
Price last confirmed 28 days ago
Retailer 4
-
$1,075 NZD
$606 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$1,487 NZD
$838 USD
View
A
Retailer 6
-
$1,490 NZD
$840 USD
View
A
Retailer 7
-
$1,593 NZD
£707 GBP
View
A
Retailer 8
-
$1,613 NZD
€866 EUR
View
A
Retailer 9
-
$1,730 NZD
$975 USD
View
A
Retailer 10
-
$1,735 NZD
£770 GBP
View
A
Retailer 11
-
$1,816 NZD
ZAR 16,535 ZAR
View
B+
Retailer 12
-
$2,433 NZD
$1,371 USD
View
B+
Retailer 13
-
$2,462 NZD
$1,388 USD
View
Retailer 14
-
$2,828 NZD
$1,594 USD
View
Price last confirmed 23 days ago
B
Retailer 15
-
$3,448 NZD
$1,943 USD
View
B
Retailer 16
-
$3,680 NZD
$2,074 USD
View
B
Retailer 17
-
$3,705 NZD
$2,088 USD
View
B
Retailer 18
-
$3,903 NZD
£1,732 GBP
View
B
Retailer 19
-
$4,436 NZD
$2,500 USD
View
Most Expensive
Rare Carat
C533-10A · Oct 21
$4,799 NZD
$2,705 USD
View
Price last confirmed 9 days ago
19 more retailers have this diamond
Prices start from $955 NZDSave up to $3,481 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 Round
$955 NZD