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Heart|Lab Grown|IGI

0.71ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG803660474

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG803660474

Diamond specifications and retailer prices

From $276 NZD
$155 USD
As of October 23, 2026
Save $1,320 NZD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,596 NZD at MOH London · As of October 25, 2026
View at MOH London

About this 0.71ct lab-grown heart diamond

This 0.71ct lab-grown heart sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG803660474 or 803660474. Listed at 13 retailers as of October 23, 2026, with prices from $276 to $1,596, a $1,320 spread on the same certified stone. MOH London lists it at $1,596. 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

0.71
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803660474
Dimensions6.31 × 5.46 × 3.69 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.31 mm5.46 mm0.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG803660474
Side View
Table 66.0%Crown 33.8°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 58.5%

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 23
Current: $1,596 NZD|Low: $242 NZD|High: $1,748 NZD|Avg: $714 NZD|-8.5%
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
October 28, 2026
Retailer 11$276 NZD
Retailer 12$306 NZD
Retailer 7$319 NZD
Retailer 13$342 NZD
Retailer 8$387 NZD
Retailer 6$593 NZD
Retailer 3$625 NZD
Retailer 4$753 NZD
Retailer 10$885 NZD
Retailer 5$926 NZD
Retailer 2$932 NZD
Retailer 9$1,097 NZD
MOH London$1,596 NZD

43 data points across 13 retailers

13 retailers$276 NZD to $1,596 NZD

A
Cheapest Retailer
-
$276 NZD
$155 USD
A
Retailer 2
-
$306 NZD
$172 USD
View
Final sale: no returns
A
Retailer 3
-
$319 NZD
$179 USD
View
A
Retailer 4
-
$342 NZD
$192 USD
View
A
Retailer 5
-
$387 NZD
HK$1,700 HKD
View
B+
Retailer 6
-
$593 NZD
£262 GBP
View
B+
Retailer 7
-
$625 NZD
$351 USD
View
B+
Retailer 8
-
$753 NZD
$423 USD
View
B
Retailer 9
-
$885 NZD
$497 USD
View
B
Retailer 10
-
$926 NZD
$520 USD
View
B
Retailer 11
-
$932 NZD
SGD 707 SGD
View
B
Retailer 12
-
$1,097 NZD
$616 USD
View
Most Expensive
B
MOH London
LG803660474 · Oct 25
$1,596 NZD
£706 GBP
View
12 more retailers have this diamond
Prices start from $276 NZDSave up to $1,320 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
0.71ct Heart
$276 NZD