Heart|Lab Grown|IGI

1.02ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG840612237

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840612237

Diamond specifications and retailer prices

From $205 USD
HK$1,600 HKD
As of October 30, 2026
Save $628 USD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $833 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.02ct lab-grown heart diamond

This 1.02ct 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 LG840612237 or 840612237. Listed at 10 retailers as of October 26, 2026, with prices from $205 to $833, a $628 spread on the same certified stone. MOH London lists it at $833. 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

1.02
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.6°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840612237
Dimensions6.88 × 6.43 × 3.95 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.88 mm6.43 mm1.02 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG840612237
Side View
Table 60.0%Crown 37.6°Girdle: MED-STKPavilion 38°Culet: NoneDepth 57.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $833 USD|Low: $160 USD|High: $842 USD|Avg: $378 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
October 31, 2026
Retailer 3$160 USD
Retailer 8$205 USD
Retailer 9$214 USD
Retailer 2$302 USD
Retailer 6$304 USD
Retailer 10$331 USD
Retailer 11$333 USD
Retailer 7$382 USD
Retailer 5$448 USD
Retailer 4$485 USD
MOH London$833 USD

21 data points across 11 retailers

10 retailers$205 USD to $833 USD

A
Cheapest Retailer
-
$205 USD
HK$1,600 HKD
Retailer 2
-
$214 USD
£169 GBP
View
Price last confirmed 15 days ago
A
Retailer 3
-
$302 USD
€288 EUR
View
B+
Retailer 4
-
$304 USD
£240 GBP
View
B+
Retailer 5
-
$331 USD
View
B+
Retailer 6
-
$333 USD
View
B+
Retailer 7
-
$382 USD
£301 GBP
View
B+
Retailer 8
-
$448 USD
View
B+
Retailer 9
-
$485 USD
SGD 655 SGD
View
Most Expensive
B
MOH London
LG840612237 · Oct 26
$833 USD
£656 GBP
View
9 more retailers have this diamond
Prices start from $205 USDSave up to $628 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
1.02ct Heart
$205 USD