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Round|Lab Grown|IGI

1.27ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG791606946

Shape and cutting style on the report: Round brilliant

Certificate IGI LG791606946

Diamond specifications and retailer prices

From $218 USD
As of October 30, 2026
Save $1,432 USD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,650 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.27ct lab-grown round diamond

This 1.27ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG791606946 or 791606946. Listed at 23 retailers as of October 29, 2026, with prices from $218 to $1,650, a $1,432 spread on the same certified stone. Brilliant Earth lists it at $1,650. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791606946
Dimensions6.99 × 6.97 × 4.25 mm
L/W Ratio1.00
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
6.99 mm6.97 mm1.27 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791606946
Side View
Table 56.0%Crown 33.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,650 USD|Low: $155 USD|High: $1,700 USD|Avg: $734 USD|-2.9%
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
October 30, 2026
Retailer 4$218 USD
Retailer 15$342 USD
Retailer 8$413 USD
Retailer 10$417 USD
Retailer 2$442 USD
Retailer 5$514 USD
Retailer 3$565 USD
Retailer 11$592 USD
Retailer 14$694 USD
Retailer 13$782 USD
Retailer 6$833 USD
Retailer 12$1,135 USD
Retailer 7$1,180 USD
Retailer 9$1,215 USD
Brilliant Earth$1,650 USD

38 data points across 15 retailers

23 retailers$218 USD to $1,650 USD

Retailer 1
-
$196 USD
Price last confirmed 38 days ago
Retailer 2
-
$196 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$218 USD
View
Final sale: no returns
Retailer 4
-
$227 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$239 USD
View
Price last confirmed 35 days ago
Retailer 6
-
$243 USD
View
Price last confirmed 18 days ago
Retailer 7
-
$243 USD
View
Price last confirmed 28 days ago
B+
Retailer 8
-
$342 USD
View
A
Retailer 9
-
$413 USD
€393 EUR
View
A
Retailer 10
-
$417 USD
ZAR 6,730 ZAR
View
A
Retailer 11
-
$442 USD
£348 GBP
View
A
Retailer 12
-
$514 USD
View
A
Retailer 13
-
$565 USD
View
A
Retailer 14
-
$592 USD
A$910 AUD
View
A
Retailer 15
-
$694 USD
View
Retailer 16
-
$780 USD
View
Price last confirmed 30 days ago
Retailer 17
-
$780 USD
View
Price last confirmed 33 days ago
A
Retailer 18
-
$782 USD
View
B+
Retailer 19
-
$833 USD
View
B+
Retailer 20
-
$1,135 USD
£894 GBP
View
B+
Retailer 21
-
$1,180 USD
View
B+
Retailer 22
-
$1,215 USD
View
Most Expensive
B
Brilliant Earth
18984913A · Oct 29
$1,650 USD
View
22 more retailers have this diamond
Prices start from $218 USDSave up to $1,432 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
1.27ct Round
$218 USD