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Round|Lab Grown|IGI

1.55ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG494162260

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494162260

Diamond specifications and retailer prices

From $2,186 NZD
$1,230 USD
As of November 2, 2026
Save $7,481 NZD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,667 NZD at MOH London · As of November 1, 2026
View at MOH London

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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG494162260 or 494162260. Listed at 11 retailers as of November 1, 2026, with prices from $2,186 to $9,667, a $7,481 spread on the same certified stone. MOH London lists it at $9,667. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.55
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494162260
Dimensions7.40 × 7.36 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.40 mm7.36 mm1.55 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494162260
Side View
Table 56.5%Crown 35.7°Girdle: MediumPavilion 40.3°Culet: NoneDepth 62.1%

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: Nov 2
Current: $9,667 NZD|Low: $2,186 NZD|High: $9,796 NZD|Avg: $4,355 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 2$2,186 NZD
Retailer 7$2,918 NZD
Retailer 10$3,174 NZD
Retailer 12$3,267 NZD
Retailer 8$3,386 NZD
Retailer 13$3,386 NZD
Retailer 5$3,523 NZD
Retailer 3$3,688 NZD
Retailer 4$4,536 NZD
Retailer 9$5,319 NZD
Retailer 6$5,837 NZD
Retailer 11$6,345 NZD
MOH London$9,667 NZD

18 data points across 13 retailers

11 retailers$2,186 NZD to $9,667 NZD

A
Cheapest Retailer
-
$2,186 NZD
$1,230 USD
B+
Retailer 2
-
$2,918 NZD
$1,642 USD
View
B+
Retailer 3
-
$3,174 NZD
$1,786 USD
View
B+
Retailer 4
-
$3,267 NZD
$1,838 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,386 NZD
$1,905 USD
View
Retailer 6
-
$3,386 NZD
$1,905 USD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
$3,688 NZD
$2,075 USD
View
B
Retailer 8
-
$5,319 NZD
$2,993 USD
View
B
Retailer 9
-
$5,837 NZD
$3,284 USD
View
B
Retailer 10
-
$6,345 NZD
$3,570 USD
View
Most Expensive
B
MOH London
LG494162260 · Nov 1
$9,667 NZD
£4,283 GBP
View
10 more retailers have this diamond
Prices start from $2,186 NZDSave up to $7,481 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
$2,186 NZD