CaratHunter
Plans
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 $333 USD
As of November 2, 2026
Save $1,322 USD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,655 USD at MOH London · As of November 1, 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 November 1, 2026, with prices from $333 to $1,655, a $1,322 spread on the same certified stone. MOH London lists it at $1,655. 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: Nov 2
Current: $1,655 USD|Low: $266 USD|High: $1,674 USD|Avg: $693 USD|-1.1%
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
November 2, 2026
Retailer 10$333 USD
Retailer 3$373 USD
Retailer 4$385 USD
Retailer 9$386 USD
Retailer 7$413 USD
Retailer 2$494 USD
Retailer 12$565 USD
Retailer 5$631 USD
Retailer 13$666 USD
Retailer 6$739 USD
Retailer 11$1,211 USD
Retailer 8$1,327 USD
MOH London$1,655 USD

45 data points across 13 retailers

12 retailers$333 USD to $1,655 USD

B+
Cheapest Retailer
-
$333 USD
B+
Retailer 2
-
$373 USD
View
Final sale: no returns
B+
Retailer 3
-
$385 USD
View
B+
Retailer 4
-
$386 USD
View
B+
Retailer 5
-
$413 USD
View
B+
Retailer 6
-
$494 USD
£389 GBP
View
B
Retailer 7
-
$565 USD
View
B
Retailer 8
-
$666 USD
View
B
Retailer 9
-
$739 USD
£582 GBP
View
B
Retailer 10
-
$1,211 USD
View
B
Retailer 11
-
$1,327 USD
View
Most Expensive
B
MOH London
LG571301614 · Nov 1
$1,655 USD
£1,303 GBP
View
11 more retailers have this diamond
Prices start from $333 USDSave up to $1,322 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.

B+
1.01ct Heart
$333 USD