CaratHunter
Plans
Heart|Lab Grown|IGI

1.66ct E VS2 Heart Lab Grown Diamond

EX • E/VS2 • IGI LG754558633

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG754558633

Diamond specifications and retailer prices

From $217 USD
As of October 30, 2026
Save $907 USD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,124 USD at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.66ct lab-grown heart diamond

This 1.66ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG754558633 or 754558633. Listed at 12 retailers as of October 30, 2026, with prices from $217 to $1,124, a $907 spread on the same certified stone. With Clarity lists it at $1,124. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle43.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754558633
Dimensions7.42 × 8.03 × 4.90 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.42 mm8.03 mm1.66 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754558633
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 43.3°Culet: NoneDepth 61.0%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $449 USD|Low: $210 USD|High: $1,175 USD|Avg: $761 USD|-2.3%
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
With Clarity
October 31, 2026
Retailer 12$217 USD
Retailer 9$252 USD
Retailer 7$316 USD
Retailer 1$449 USD
Retailer 3$513 USD
Retailer 11$604 USD
Retailer 5$750 USD
Retailer 2$864 USD
Retailer 8$867 USD
Retailer 4$935 USD
Retailer 10$976 USD
Retailer 6$1,083 USD
Retailer 13$1,087 USD
With Clarity$1,116 USD

27 data points across 14 retailers

12 retailers$217 USD to $1,124 USD

A
Cheapest Retailer
-
$217 USD
A
Retailer 2
-
$252 USD
View
Retailer 3
-
$316 USD
£249 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$449 USD
€428 EUR
View
B+
Retailer 5
-
$604 USD
View
B+
Retailer 6
-
$710 USD
View
B+
Retailer 7
-
$864 USD
View
B+
Retailer 8
-
$867 USD
View
B+
Retailer 9
-
$976 USD
View
B
Retailer 10
-
$1,083 USD
£853 GBP
View
Retailer 11
-
$1,087 USD
SGD 1,469 SGD
View
Price last confirmed 18 days ago
Most Expensive
B
With Clarity
754558633 · Oct 31
$1,124 USD
View
11 more retailers have this diamond
Prices start from $217 USDSave up to $907 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
1.66ct Heart
$217 USD