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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 HK$1,224 HKD
$156 USD
As of October 30, 2026
Save HK$7,028 HKD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$8,252 HKD 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 HK$1,224 to HK$8,252, a HK$7,028 spread on the same certified stone. Reve Diamonds lists it at HK$8,252. 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: HK$1,412 HKD|Low: HK$1,177 HKD|High: HK$8,273 HKD|Avg: HK$3,370 HKD|+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 4HK$1,224 HKD
Retailer 7HK$1,365 HKD
Retailer 1HK$1,412 HKD
Retailer 14HK$1,514 HKD
Retailer 6HK$1,522 HKD
Retailer 11HK$2,495 HKD
Retailer 10HK$2,628 HKD
Retailer 12HK$2,754 HKD
Retailer 13HK$2,875 HKD
Retailer 3HK$4,009 HKD
Retailer 9HK$4,864 HKD
Retailer 5HK$4,943 HKD
Retailer 2HK$5,298 HKD
Retailer 8HK$7,074 HKD
Reve DiamondsHK$8,252 HKD

43 data points across 15 retailers

15 retailersHK$1,224 HKD to HK$8,252 HKD

A
Cheapest Retailer
-
HK$1,224 HKD
$156 USD
A
Retailer 2
-
HK$1,365 HKD
$174 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,412 HKD
$180 USD
View
A
Retailer 4
-
HK$1,514 HKD
$193 USD
View
Retailer 5
-
HK$1,522 HKD
$194 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$2,495 HKD
$318 USD
View
B+
Retailer 7
-
HK$2,628 HKD
£264 GBP
View
B+
Retailer 8
-
HK$2,754 HKD
$351 USD
View
B+
Retailer 9
-
HK$2,875 HKD
£288 GBP
View
B
Retailer 10
-
HK$4,009 HKD
$511 USD
View
B
Retailer 11
-
HK$4,864 HKD
$620 USD
View
B
Retailer 12
-
HK$4,943 HKD
$630 USD
View
B
Retailer 13
-
HK$5,298 HKD
$675 USD
View
B
Retailer 14
-
HK$7,074 HKD
£710 GBP
View
Most Expensive
B
Reve Diamonds
AED661E6E · Nov 1
HK$8,252 HKD
$1,052 USD
View
14 more retailers have this diamond
Prices start from HK$1,224 HKDSave up to HK$7,028 HKD

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
HK$1,224 HKD