CaratHunter
Plans
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 $156 USD
As of October 30, 2026
Save $896 USD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,052 USD at Reve Diamonds · As of October 30, 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 $156 to $1,052, a $896 spread on the same certified stone. Reve Diamonds lists it at $1,052. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $338 USD|Low: $122 USD|High: $1,055 USD|Avg: $428 USD|+6.0%
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
October 31, 2026
Retailer 3$156 USD
Retailer 2$181 USD
Retailer 8$192 USD
Retailer 11$193 USD
Retailer 5$194 USD
Retailer 7$318 USD
Retailer 1$338 USD
Retailer 9$351 USD
Retailer 10$366 USD
Retailer 14$511 USD
Retailer 6$623 USD
Retailer 4$630 USD
Retailer 12$675 USD
Retailer 13$912 USD
Reve Diamonds$1,052 USD

43 data points across 15 retailers

15 retailers$156 USD to $1,052 USD

A
Cheapest Retailer
-
$156 USD
A
Retailer 2
-
$181 USD
View
A
Retailer 3
-
$192 USD
View
Final sale: no returns
A
Retailer 4
-
$193 USD
View
A
Retailer 5
-
$194 USD
View
B+
Retailer 6
-
$318 USD
View
B+
Retailer 7
-
$338 USD
£266 GBP
View
B+
Retailer 8
-
$351 USD
View
B+
Retailer 9
-
$366 USD
£288 GBP
View
B
Retailer 10
-
$511 USD
View
B
Retailer 11
-
$623 USD
View
B
Retailer 12
-
$630 USD
View
B
Retailer 13
-
$675 USD
View
B
Retailer 14
-
$912 USD
£718 GBP
View
Most Expensive
B
Reve Diamonds
AED661E6E · Oct 30
$1,052 USD
View
14 more retailers have this diamond
Prices start from $156 USDSave up to $896 USD

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
$156 USD