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Heart|Lab Grown|IGI

1.86ct H VS1 Heart Lab Grown Diamond

EX • H/VS1 • IGI LG537225159

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG537225159

Diamond specifications and retailer prices

From $331 USD
As of October 30, 2026
Save $1,315 USD (80%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $1,646 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.86ct lab-grown heart diamond

This 1.86ct lab-grown heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG537225159 or 537225159. Listed at 27 retailers as of October 30, 2026, with prices from $331 to $1,646, a $1,315 spread on the same certified stone. MOH London lists it at $1,646. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537225159
Dimensions7.94 × 8.60 × 4.94 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.94 mm8.60 mm1.86 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537225159
Side View
Table 57.5%Crown 36.1°Girdle: THN-MEDPavilion 39.7°Culet: NoneDepth 57.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,646 USD|Low: $264 USD|High: $1,666 USD|Avg: $901 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
Retailer 14
November 1, 2026
Retailer 14$371 USD
Retailer 9$411 USD
Retailer 6$448 USD
Retailer 2$620 USD
Retailer 11$664 USD
Retailer 13$681 USD
Retailer 7$706 USD
Retailer 3$744 USD
Retailer 8$964 USD
Retailer 10$1,205 USD
Retailer 12$1,314 USD
Retailer 4$1,364 USD
Retailer 5$1,612 USD
MOH London$1,646 USD

24 data points across 14 retailers

27 retailers$331 USD to $1,646 USD

Retailer 1
-
$318 USD
Price last confirmed 30 days ago
Retailer 2
-
$331 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
$331 USD
View
A
Retailer 4
-
$371 USD
View
Final sale: no returns
Retailer 5
-
$384 USD
View
Price last confirmed 12 days ago
Retailer 6
-
$405 USD
View
Price last confirmed 37 days ago
Retailer 7
-
$411 USD
View
Price last confirmed 20 days ago
Retailer 8
-
$411 USD
View
Price last confirmed 24 days ago
Retailer 9
-
$411 USD
View
Price last confirmed 7 days ago
Retailer 10
-
$411 USD
View
Price last confirmed 29 days ago
Retailer 11
-
$411 USD
View
Price last confirmed 13 days ago
Retailer 12
-
$411 USD
View
Price last confirmed 7 days ago
A
Retailer 13
-
$448 USD
HK$3,500 HKD
View
A
Retailer 14
-
$620 USD
View
A
Retailer 15
-
$664 USD
View
A
Retailer 16
-
$681 USD
View
A
Retailer 17
-
$706 USD
ZAR 11,403 ZAR
View
B+
Retailer 18
-
$744 USD
View
Retailer 19
-
$964 USD
A$1,483 AUD
View
Price last confirmed 7 days ago
B
Retailer 20
-
$1,205 USD
View
B
Retailer 21
-
$1,314 USD
SGD 1,776 SGD
View
Retailer 22
-
$1,320 USD
View
Price last confirmed 24 days ago
Retailer 23
-
$1,320 USD
View
Price last confirmed 19 days ago
Retailer 24
-
$1,320 USD
View
Price last confirmed 7 days ago
B
Retailer 25
-
$1,364 USD
View
B
Retailer 26
-
$1,612 USD
View
Most Expensive
B
MOH London
LG537225159 · Nov 1
$1,646 USD
£1,296 GBP
View
26 more retailers have this diamond
Prices start from $331 USDSave up to $1,315 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
1.86ct Heart
$331 USD