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Radiant|Lab Grown|IGI

8.19ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG605304871

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG605304871

Diamond specifications and retailer prices

From $1,595 NZD
$899 USD
As of November 2, 2026
Save $12,564 NZD (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $14,159 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 8.19ct lab-grown radiant diamond

This 8.19ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG605304871 or 605304871. Listed at 10 retailers as of November 2, 2026, with prices from $1,595 to $14,159, a $12,564 spread on the same certified stone. Do Amore Diamonds lists it at $14,159. 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

8.19
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605304871
Dimensions14.46 × 9.82 × 6.59 mm
L/W Ratio1.47
Culet sizeNone
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
14.46 mm9.82 mm8.19 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605304871
Side View
Table 64.0%Crown 40.2°Girdle: MED-STKPavilion 32.7°Culet: NoneDepth 67.1%

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 2
Current: $14,159 NZD|Low: $1,595 NZD|High: $15,933 NZD|Avg: $5,901 NZD|-11.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7$1,595 NZD
Retailer 5$1,735 NZD
Retailer 9$2,968 NZD
Retailer 4$2,972 NZD
Retailer 3$3,721 NZD
Retailer 8$3,827 NZD
Retailer 6$4,116 NZD
Retailer 10$5,319 NZD
Retailer 2$6,927 NZD
Retailer 11$8,836 NZD
Do Amore Diamonds$14,159 NZD

18 data points across 11 retailers

10 retailers$1,595 NZD to $14,159 NZD

A
Cheapest Retailer
-
$1,595 NZD
$899 USD
A
Retailer 2
-
$1,735 NZD
$978 USD
View
B+
Retailer 3
-
$2,968 NZD
$1,673 USD
View
A
Retailer 4
-
$2,972 NZD
$1,675 USD
View
A
Retailer 5
-
$3,827 NZD
$2,157 USD
View
A
Retailer 6
-
$4,116 NZD
$2,320 USD
View
B+
Retailer 7
-
$5,319 NZD
$2,998 USD
View
B
Retailer 8
-
$6,927 NZD
£3,074 GBP
View
B
Retailer 9
-
$8,836 NZD
$4,980 USD
View
Most Expensive
B
Do Amore Diamonds
27-63B1484E2 · Nov 2
$14,159 NZD
$7,980 USD
View
9 more retailers have this diamond
Prices start from $1,595 NZDSave up to $12,564 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
8.19ct Radiant
$1,595 NZD