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Heart|Lab Grown|IGI

3.55ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG835634480

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG835634480

Diamond specifications and retailer prices

From $998 NZD
As of November 6, 2026
Save $3,605 NZD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,603 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 3.55ct lab-grown heart diamond

This 3.55ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG835634480 or 835634480. Listed at 15 retailers as of November 5, 2026, with prices from $998 to $4,603, a $3,605 spread on the same certified stone. MOH London lists it at $4,603. 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

3.55
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835634480
Dimensions10.74 × 9.18 × 6.26 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.74 mm9.18 mm3.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835634480
Side View
Table 63.0%Crown 37.1°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 58.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,603 NZD|Low: $998 NZD|High: $4,722 NZD|Avg: $2,360 NZD|-2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$998 NZD
Retailer 6$1,200 NZD
Retailer 2$1,346 NZD
Retailer 5$1,353 NZD
Retailer 7$1,719 NZD
Retailer 3$1,820 NZD
Retailer 9$2,540 NZD
Retailer 4$2,617 NZD
Retailer 10$3,503 NZD
MOH London$4,603 NZD

41 data points across 10 retailers

15 retailers$998 NZD to $4,603 NZD

Retailer 1
-
$891 NZD
Price last confirmed 20 days ago
A
Retailer 2
-
$998 NZD
View
Final sale: no returns
Retailer 3
-
$1,010 NZD
View
Price last confirmed 38 days ago
Retailer 4
-
$1,102 NZD
View
Price last confirmed 40 days ago
Retailer 5
-
$1,106 NZD
View
Price last confirmed 34 days ago
A
Retailer 6
-
$1,200 NZD
View
A
Retailer 7
-
$1,346 NZD
View
A
Retailer 8
-
$1,353 NZD
View
B+
Retailer 9
-
$1,719 NZD
View
A
Retailer 10
-
$1,820 NZD
View
Retailer 11
-
$2,540 NZD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$2,617 NZD
View
Retailer 13
-
$2,908 NZD
View
Price last confirmed 21 days ago
B
Retailer 14
-
$3,503 NZD
View
Most Expensive
B
MOH London
LG835634480 · Nov 5
$4,603 NZD
£2,009 GBP
View
14 more retailers have this diamond
Prices start from $998 NZDSave up to $3,605 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
3.55ct Heart
$998 NZD