CaratHunter
Plans
Heart|Lab Grown|IGI

1.67ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG670467418

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG670467418

Diamond specifications and retailer prices

From $299 USD
As of October 30, 2026
Save $3,271 USD (92%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,570 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.67ct lab-grown heart diamond

This 1.67ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG670467418 or 670467418. Listed at 20 retailers as of October 29, 2026, with prices from $299 to $3,570, a $3,271 spread on the same certified stone. Do Amore Diamonds lists it at $3,570. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670467418
Dimensions7.21 × 8.35 × 4.76 mm
L/W Ratio1.16
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
7.21 mm8.35 mm1.67 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670467418
Side View
Table 57.0%Crown 33.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 57.0%

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: $2,660 USD|Low: $299 USD|High: $2,660 USD|Avg: $936 USD
Do Amore Diamonds
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 5$299 USD
Retailer 6$335 USD
Retailer 18$347 USD
Retailer 16$371 USD
Retailer 17$371 USD
Retailer 15$525 USD
Retailer 7$608 USD
Retailer 14$704 USD
Retailer 3$712 USD
Retailer 2$734 USD
Retailer 19$954 USD
Retailer 13$956 USD
Retailer 8$1,141 USD
Retailer 11$1,318 USD
Retailer 10$1,388 USD
Retailer 4$1,478 USD
Retailer 9$1,512 USD
Retailer 12$1,651 USD
Do Amore Diamonds$2,660 USD

42 data points across 19 retailers

20 retailers$299 USD to $3,570 USD

A
Cheapest Retailer
-
$299 USD
A
Retailer 2
-
$335 USD
View
Final sale: no returns
A
Retailer 3
-
$347 USD
View
A
Retailer 4
-
$371 USD
View
A
Retailer 5
-
$371 USD
View
A
Retailer 6
-
$525 USD
View
A
Retailer 7
-
$608 USD
View
A
Retailer 8
-
$704 USD
ZAR 11,377 ZAR
View
A
Retailer 9
-
$712 USD
View
A
Retailer 10
-
$734 USD
£578 GBP
View
A
Retailer 11
-
$954 USD
View
A
Retailer 12
-
$956 USD
A$1,470 AUD
View
A
Retailer 13
-
$1,141 USD
View
B+
Retailer 14
-
$1,318 USD
View
B+
Retailer 15
-
$1,388 USD
View
B+
Retailer 16
-
$1,478 USD
View
B+
Retailer 17
-
$1,512 USD
SGD 2,043 SGD
View
B+
Retailer 18
-
$1,651 USD
£1,300 GBP
View
B
Retailer 19
-
$2,660 USD
View
Most Expensive
B
Do Amore Diamonds
23-670467418 · Oct 29
$3,570 USD
View
19 more retailers have this diamond
Prices start from $299 USDSave up to $3,271 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
1.67ct Heart
$299 USD