Round|Lab Grown|IGI

1.81ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG712551704

Certificate IGI LG712551704

Diamond specifications and retailer prices

From $764 USD
Save $4,396 USD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,160 USD at Brilliant Earth
View at Brilliant Earth

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round 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 LG712551704 or 712551704. Listed at 19 retailers, with prices from $764 to $5,160 at Brilliant Earth, a $4,396 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712551704
Dimensions7.85 × 7.90 × 4.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
7.85 mm7.90 mm1.81 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712551704
Side View
Table 57.0%Crown 33.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.7%

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: $5,160 USD|Low: $545 USD|High: $5,160 USD|Avg: $1,923 USD
Brilliant Earth
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
October 1, 2026
Retailer 4$764 USD
Retailer 10$922 USD
Retailer 12$970 USD
Retailer 18$1,046 USD
Retailer 13$1,232 USD
Retailer 2$1,267 USD
Retailer 11$1,291 USD
Retailer 6$1,333 USD
Retailer 15$1,428 USD
Retailer 9$1,952 USD
Retailer 14$1,976 USD
Retailer 17$2,669 USD
Retailer 8$2,734 USD
Retailer 7$2,736 USD
Retailer 5$2,795 USD
Retailer 3$2,844 USD
Retailer 16$3,374 USD
Brilliant Earth$5,160 USD

37 data points across 18 retailers

19 retailers$764 USD to $5,160 USD

A
Cheapest Retailer
-
$764 USD
A
Retailer 2
-
$922 USD
HK$7,200 HKD
View
Price last confirmed 27 days ago
A
Retailer 3
-
$970 USD
View
A
Retailer 4
-
$1,046 USD
View
A
Retailer 5
-
$1,235 USD
£972 GBP
View
A
Retailer 6
-
$1,267 USD
€1,207 EUR
View
B+
Retailer 7
-
$1,291 USD
View
B+
Retailer 8
-
$1,333 USD
View
B+
Retailer 9
-
$1,428 USD
ZAR 23,063 ZAR
View
B+
Retailer 10
-
$1,952 USD
View
B+
Retailer 11
-
$1,976 USD
A$3,040 AUD
View
B
Retailer 12
-
$2,669 USD
SGD 3,607 SGD
View
B
Retailer 13
-
$2,734 USD
View
B
Retailer 14
-
$2,736 USD
View
B
Retailer 15
-
$2,795 USD
View
B
Retailer 16
-
$2,844 USD
View
B
Retailer 17
-
$2,972 USD
View
B
Retailer 18
-
$3,374 USD
£2,657 GBP
View
Most Expensive
B
Brilliant Earth
19056412A · Sep 29
$5,160 USD
View
18 more retailers have this diamond
Prices start from $764 USDSave up to $4,396 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
1.81ct Round
$764 USD