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Round|Lab Grown|IGI

1.55ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG770640743

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770640743

Diamond specifications and retailer prices

From $398 NZD
As of November 5, 2026
Save $2,471 NZD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,869 NZD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

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 F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770640743 or 770640743. Listed at 24 retailers as of November 4, 2026, with prices from $398 to $2,869, a $2,471 spread on the same certified stone. Helzberg Diamonds lists it at $2,869. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770640743
Dimensions7.40 × 7.43 × 4.61 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm7.43 mm1.55 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770640743
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

Caratlytics Score

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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: $763 NZD|Low: $379 NZD|High: $2,348 NZD|Avg: $1,114 NZD|-1.8%
Retailer 1
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
November 5, 2026
Retailer 11$398 NZD
Retailer 12$452 NZD
Retailer 20$461 NZD
Retailer 6$493 NZD
Retailer 7$493 NZD
Retailer 1$763 NZD
Retailer 8$841 NZD
Retailer 3$845 NZD
Retailer 14$907 NZD
Retailer 17$930 NZD
Retailer 4$946 NZD
Retailer 2$1,026 NZD
Retailer 13$1,585 NZD
Retailer 16$1,590 NZD
Retailer 19$1,653 NZD
Retailer 10$1,678 NZD
Retailer 15$1,969 NZD
Retailer 18$2,007 NZD
Retailer 9$2,256 NZD
Retailer 5$2,348 NZD

36 data points across 20 retailers

24 retailers$398 NZD to $2,869 NZD

A
Cheapest Retailer
-
$398 NZD
A
Retailer 2
-
$452 NZD
View
Final sale: no returns
A
Retailer 3
-
$461 NZD
View
A
Retailer 4
-
$493 NZD
View
Retailer 5
-
$493 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$763 NZD
View
A
Retailer 7
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$841 NZD
View
A
Retailer 8
-
$845 NZD
View
A
Retailer 9
-
$907 NZD
View
A
Retailer 10
-
$930 NZD
View
A
Retailer 11
-
$946 NZD
View
B+
Retailer 12
-
$1,026 NZD
View
B+
Retailer 13
-
$1,364 NZD
View
Retailer 14
-
$1,420 NZD
View
Price last confirmed 95 days ago
B+
Retailer 15
-
$1,585 NZD
View
B
Retailer 16
-
$1,590 NZD
View
Retailer 17
-
$1,653 NZD
View
Price last confirmed 8 days ago
B
Retailer 18
-
$1,678 NZD
View
B
Retailer 19
-
$1,855 NZD
View
B
Retailer 20
-
$1,969 NZD
View
B
Retailer 21
-
$2,007 NZD
View
B
Retailer 22
-
$2,256 NZD
View
Retailer 23
-
$2,348 NZD
View
Price last confirmed 21 days ago
Most Expensive
B
Helzberg Diamonds
ZXZNNGMKGNKJ · Nov 4
$2,869 NZD
$1,613 USD
View
23 more retailers have this diamond
Prices start from $398 NZDSave up to $2,471 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
$398 NZD