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Heart|Lab Grown|IGI

1.00ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG823616463

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823616463

Diamond specifications and retailer prices

From $222 AUD
$156 USD
As of October 30, 2026
Save $1,275 AUD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,497 AUD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG823616463 or 823616463. Listed at 15 retailers as of October 30, 2026, with prices from $222 to $1,497, a $1,275 spread on the same certified stone. Reve Diamonds lists it at $1,497. 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

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823616463
Dimensions6.86 × 6.02 × 4.13 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.86 mm6.02 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823616463
Side View
Table 64.0%Crown 37.4°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 60.2%

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: Oct 30
Current: $256 AUD|Low: $214 AUD|High: $1,501 AUD|Avg: $611 AUD|+1.1%
Retailer 1
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
Reve Diamonds
November 1, 2026
Retailer 4$222 AUD
Retailer 7$248 AUD
Retailer 1$256 AUD
Retailer 14$275 AUD
Retailer 6$276 AUD
Retailer 11$453 AUD
Retailer 10$477 AUD
Retailer 12$500 AUD
Retailer 13$522 AUD
Retailer 3$727 AUD
Retailer 9$883 AUD
Retailer 5$897 AUD
Retailer 2$961 AUD
Retailer 8$1,284 AUD
Reve Diamonds$1,497 AUD

43 data points across 15 retailers

15 retailers$222 AUD to $1,497 AUD

A
Cheapest Retailer
-
$222 AUD
$156 USD
A
Retailer 2
-
$248 AUD
$174 USD
View
Final sale: no returns
A
Retailer 3
-
$256 AUD
$180 USD
View
A
Retailer 4
-
$275 AUD
$193 USD
View
Retailer 5
-
$276 AUD
$194 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$453 AUD
$318 USD
View
B+
Retailer 7
-
$477 AUD
£264 GBP
View
B+
Retailer 8
-
$500 AUD
$351 USD
View
B+
Retailer 9
-
$522 AUD
£288 GBP
View
B
Retailer 10
-
$727 AUD
$511 USD
View
B
Retailer 11
-
$883 AUD
$620 USD
View
B
Retailer 12
-
$897 AUD
$630 USD
View
B
Retailer 13
-
$961 AUD
$675 USD
View
B
Retailer 14
-
$1,284 AUD
£710 GBP
View
Most Expensive
B
Reve Diamonds
AED661E6E · Nov 1
$1,497 AUD
$1,052 USD
View
14 more retailers have this diamond
Prices start from $222 AUDSave up to $1,275 AUD

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
1.00ct Heart
$222 AUD