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Heart|Lab Grown|IGI

0.91ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG613382974

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG613382974

Diamond specifications and retailer prices

From $248 NZD
$140 USD
As of October 30, 2026
Save $1,194 NZD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,442 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 0.91ct lab-grown heart diamond

This 0.91ct lab-grown heart sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG613382974 or 613382974. Listed at 16 retailers as of October 30, 2026, with prices from $248 to $1,442, a $1,194 spread on the same certified stone. MOH London lists it at $1,442. 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

0.91
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613382974
Dimensions6.19 × 6.74 × 3.83 mm
L/W Ratio1.09
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
6.19 mm6.74 mm0.91 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613382974
Side View
Table 56.0%Crown 33.3°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 56.8%

Caratlytics Score

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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: Oct 30
Current: $1,442 NZD|Low: $248 NZD|High: $2,332 NZD|Avg: $689 NZD|-38.2%
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
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 15$248 NZD
Retailer 12$289 NZD
Retailer 3$309 NZD
Retailer 4$309 NZD
Retailer 14$409 NZD
Retailer 6$468 NZD
Retailer 9$510 NZD
Retailer 2$523 NZD
Retailer 7$575 NZD
Retailer 11$635 NZD
Retailer 5$869 NZD
Retailer 8$958 NZD
Retailer 16$992 NZD
Retailer 10$1,011 NZD
Retailer 13$1,047 NZD
MOH London$1,442 NZD

35 data points across 16 retailers

16 retailers$248 NZD to $1,442 NZD

A
Cheapest Retailer
-
$248 NZD
$140 USD
A
Retailer 2
-
$289 NZD
$163 USD
View
A
Retailer 3
-
$309 NZD
$174 USD
View
Retailer 4
-
$309 NZD
$174 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$409 NZD
£182 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
$468 NZD
$264 USD
View
A
Retailer 7
-
$510 NZD
€274 EUR
View
B+
Retailer 8
-
$523 NZD
£232 GBP
View
B+
Retailer 9
-
$575 NZD
$324 USD
View
B+
Retailer 10
-
$635 NZD
£282 GBP
View
B
Retailer 11
-
$869 NZD
$490 USD
View
B
Retailer 12
-
$958 NZD
$540 USD
View
B
Retailer 13
-
$992 NZD
$559 USD
View
B
Retailer 14
-
$1,011 NZD
$570 USD
View
B
Retailer 15
-
$1,047 NZD
$590 USD
View
Most Expensive
B
MOH London
LG613382974 · Nov 1
$1,442 NZD
£640 GBP
View
15 more retailers have this diamond
Prices start from $248 NZDSave up to $1,194 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
0.91ct Heart
$248 NZD