Round|Lab Grown|IGI

1.15ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG700511604

Shape and cutting style on the report: Round brilliant

Certificate IGI LG700511604

Diamond specifications and retailer prices

From $229 USD
As of October 29, 2026
Save $1,058 USD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,287 USD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.15ct lab-grown round diamond

This 1.15ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG700511604 or 700511604. Listed at 20 retailers as of October 28, 2026, with prices from $229 to $1,287, a $1,058 spread on the same certified stone. Reve Diamonds lists it at $1,287. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700511604
Dimensions6.82 × 6.77 × 4.06 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
6.82 mm6.77 mm1.15 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700511604
Side View
Table 58.0%Crown 33.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.7%

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 29
Current: $533 USD|Low: $182 USD|High: $1,287 USD|Avg: $647 USD|+6.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 29, 2026
Retailer 6$256 USD
Retailer 8$284 USD
Retailer 4$462 USD
Retailer 10$484 USD
Retailer 1$533 USD
Retailer 9$595 USD
Retailer 2$597 USD
Retailer 5$694 USD
Retailer 7$918 USD
Retailer 3$1,146 USD
Reve Diamonds$1,287 USD

38 data points across 11 retailers

20 retailers$229 USD to $1,287 USD

Retailer 1
-
$229 USD
Price last confirmed 37 days ago
A
Retailer 2
-
$229 USD
View
Retailer 3
-
$229 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$229 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$256 USD
View
Final sale: no returns
Retailer 6
-
$266 USD
View
Price last confirmed 38 days ago
Retailer 7
-
$266 USD
View
Price last confirmed 21 days ago
Retailer 8
-
$281 USD
View
Price last confirmed 36 days ago
Retailer 9
-
$284 USD
View
Price last confirmed 14 days ago
A
Retailer 10
-
$462 USD
£364 GBP
View
A
Retailer 11
-
$484 USD
View
A
Retailer 12
-
$533 USD
£420 GBP
View
B+
Retailer 13
-
$595 USD
View
B+
Retailer 14
-
$597 USD
View
B+
Retailer 15
-
$694 USD
A$1,067 AUD
View
Retailer 16
-
$914 USD
View
Price last confirmed 39 days ago
B+
Retailer 17
-
$918 USD
View
B+
Retailer 18
-
$967 USD
View
B
Retailer 19
-
$1,146 USD
£902 GBP
View
Most Expensive
B
Reve Diamonds
F6ADB8B1F · Oct 28
$1,287 USD
View
19 more retailers have this diamond
Prices start from $229 USDSave up to $1,058 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
1.15ct Round
$229 USD