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Heart|Lab Grown|IGI

1.01ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG821698230

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG821698230

Diamond specifications and retailer prices

From €128 EUR
$143 USD
As of October 30, 2026
Save €776 EUR (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €904 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.01ct lab-grown heart diamond

This 1.01ct 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 LG821698230 or 821698230. Listed at 17 retailers as of October 30, 2026, with prices from €128 to €904, a €776 spread on the same certified stone. Reve Diamonds lists it at €904. 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

1.01
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821698230
Dimensions7.05 × 6.07 × 3.93 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.05 mm6.07 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821698230
Side View
Table 67.0%Crown 32.3°Girdle: THK-VTKPavilion 39.7°Culet: NoneDepth 55.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €272 EUR|Low: €124 EUR|High: €904 EUR|Avg: €357 EUR|+3.0%
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
Retailer 15
Retailer 16
Reve Diamonds
October 31, 2026
Retailer 15€128 EUR
Retailer 4€143 EUR
Retailer 16€148 EUR
Retailer 12€158 EUR
Retailer 14€158 EUR
Retailer 9€190 EUR
Retailer 6€219 EUR
Retailer 1€272 EUR
Retailer 7€286 EUR
Retailer 10€300 EUR
Retailer 3€378 EUR
Retailer 13€508 EUR
Retailer 2€537 EUR
Retailer 5€558 EUR
Retailer 8€573 EUR
Retailer 11€743 EUR
Reve Diamonds€904 EUR

38 data points across 17 retailers

17 retailers€128 EUR to €904 EUR

A
Cheapest Retailer
-
€128 EUR
$143 USD
A
Retailer 2
-
€143 EUR
$160 USD
View
Final sale: no returns
A
Retailer 3
-
€148 EUR
$165 USD
View
A
Retailer 4
-
€158 EUR
$177 USD
View
A
Retailer 5
-
€158 EUR
$177 USD
View
A
Retailer 6
-
€190 EUR
£167 GBP
View
B+
Retailer 7
-
€219 EUR
$245 USD
View
B+
Retailer 8
-
€272 EUR
£239 GBP
View
B+
Retailer 9
-
€286 EUR
$319 USD
View
B+
Retailer 10
-
€300 EUR
£264 GBP
View
B+
Retailer 11
-
€378 EUR
$422 USD
View
B
Retailer 12
-
€508 EUR
$568 USD
View
B
Retailer 13
-
€537 EUR
$600 USD
View
B
Retailer 14
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€558 EUR
$624 USD
View
B
Retailer 15
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€573 EUR
$640 USD
View
B
Retailer 16
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€743 EUR
£654 GBP
View
Most Expensive
B
Reve Diamonds
263C758DC · Oct 30
€904 EUR
$1,010 USD
View
16 more retailers have this diamond
Prices start from €128 EURSave up to €776 EUR

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
1.01ct Heart
€128 EUR