CaratHunter
Plans
Round|Lab Grown|IGI

3.66ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG724556240

Certificate IGI LG724556240

Diamond specifications and retailer prices

From $1,077 USD
Save $3,475 USD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,552 USD at Taylor and Hart
View at Taylor and Hart

About this 3.66ct lab-grown round diamond

This 3.66ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG724556240 or 724556240. Listed at 15 retailers, with prices from $1,077 to $4,552 at Taylor and Hart, a $3,475 spread on the same certified stone. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.66
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724556240
Dimensions9.87 × 9.93 × 6.05 mm
L/W Ratio1.01
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
9.87 mm9.93 mm3.66 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG724556240
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.1%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $1,077 USD|Low: $1,077 USD|High: $7,007 USD|Avg: $3,028 USD|-4.0%
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
Retailer 14
Retailer 15
Retailer 16
Taylor and Hart
October 1, 2026
Retailer 1$1,077 USD
Retailer 13$1,256 USD
Retailer 3$1,283 USD
Retailer 16$1,301 USD
Retailer 11$1,475 USD
Retailer 4$1,581 USD
Retailer 9$1,602 USD
Retailer 14$1,888 USD
Retailer 10$1,918 USD
Retailer 2$2,439 USD
Retailer 7$2,809 USD
Retailer 5$2,951 USD
Retailer 6$3,175 USD
Retailer 12$4,017 USD
Retailer 15$4,232 USD
Taylor and Hart$4,552 USD
Retailer 8$7,007 USD

39 data points across 17 retailers

15 retailers$1,077 USD to $4,552 USD

A
Cheapest Retailer
-
$1,077 USD
A
Retailer 2
-
$1,256 USD
View
A
Retailer 3
-
$1,283 USD
View
A
Retailer 4
-
$1,301 USD
View
A
Retailer 5
-
$1,475 USD
View
A
Retailer 6
-
$1,581 USD
View
A
Retailer 7
-
$1,602 USD
£1,261 GBP
View
A
Retailer 8
-
$1,892 USD
£1,490 GBP
View
A
Retailer 9
-
$1,918 USD
View
A
Retailer 10
-
$2,439 USD
View
A
Retailer 11
-
$2,951 USD
ZAR 47,672 ZAR
View
Price last confirmed 10 days ago
A
Retailer 12
-
$3,175 USD
View
B+
Retailer 13
-
$4,017 USD
View
B+
Retailer 14
-
$4,232 USD
£3,332 GBP
View
Most Expensive
B+
Taylor and Hart
VCIXRRL · Oct 1
$4,552 USD
View
14 more retailers have this diamond
Prices start from $1,077 USDSave up to $3,475 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.

A
3.66ct Round
$1,077 USD