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Heart|Lab Grown|IGI

1.01ct D SI1 Heart Lab Grown Diamond

EX • D/SI1 • IGI LG571301614

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG571301614

Diamond specifications and retailer prices

From €298 EUR
$333 USD
As of October 30, 2026
Save €1,185 EUR (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,483 EUR at MOH London · As of October 25, 2026
View at MOH London

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 LG571301614 or 571301614. Listed at 12 retailers as of October 25, 2026, with prices from €298 to €1,483, a €1,185 spread on the same certified stone. MOH London lists it at €1,483. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571301614
Dimensions5.75 × 6.87 × 4.27 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
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
5.75 mm6.87 mm1.01 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571301614
Side View
Table 58.0%Crown 37.2°GirdlePavilion 39.7°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,483 EUR|Low: €238 EUR|High: €1,498 EUR|Avg: €619 EUR|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 10€298 EUR
Retailer 3€334 EUR
Retailer 4€345 EUR
Retailer 9€346 EUR
Retailer 7€370 EUR
Retailer 6€444 EUR
Retailer 12€506 EUR
Retailer 5€565 EUR
Retailer 13€596 EUR
Retailer 2€662 EUR
Retailer 11€1,084 EUR
Retailer 8€1,188 EUR
MOH London€1,483 EUR

44 data points across 13 retailers

12 retailers€298 EUR to €1,483 EUR

B+
Cheapest Retailer
-
€298 EUR
$333 USD
B+
Retailer 2
-
€334 EUR
$373 USD
View
Final sale: no returns
B+
Retailer 3
-
€345 EUR
$385 USD
View
B+
Retailer 4
-
€346 EUR
$386 USD
View
B+
Retailer 5
-
€370 EUR
$413 USD
View
B+
Retailer 6
-
€444 EUR
£390 GBP
View
B
Retailer 7
-
€506 EUR
$565 USD
View
B
Retailer 8
-
€596 EUR
$666 USD
View
B
Retailer 9
-
€662 EUR
£582 GBP
View
B
Retailer 10
-
€1,084 EUR
$1,211 USD
View
B
Retailer 11
-
€1,188 EUR
$1,327 USD
View
Most Expensive
B
MOH London
LG571301614 · Oct 25
€1,483 EUR
£1,305 GBP
View
11 more retailers have this diamond
Prices start from €298 EURSave up to €1,185 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.

B+
1.01ct Heart
€298 EUR