Round|Lab Grown|IGI

1.27ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG815677097

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815677097

Diamond specifications and retailer prices

From $231 USD
As of October 28, 2026
Save $1,419 USD (86%) vs most expensive(unlock to see where)
22 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 LG815677097 or 815677097. Listed at 22 retailers as of October 28, 2026, with prices from $231 to $1,650, a $1,419 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 angle35.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815677097
Dimensions6.97 × 6.93 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.97 mm6.93 mm1.27 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815677097
Side View
Table 58.0%Crown 35.1°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.3%

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 28
Current: $1,650 USD|Low: $164 USD|High: $1,700 USD|Avg: $708 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 15$231 USD
Retailer 7$264 USD
Retailer 4$362 USD
Retailer 11$433 USD
Retailer 8$434 USD
Retailer 2$471 USD
Retailer 3$548 USD
Retailer 9$626 USD
Retailer 14$697 USD
Retailer 12$826 USD
Retailer 5$877 USD
Retailer 10$1,027 USD
Retailer 13$1,205 USD
Retailer 6$1,215 USD
Brilliant Earth$1,650 USD

34 data points across 15 retailers

22 retailers$231 USD to $1,650 USD

Retailer 1
-
$207 USD
Price last confirmed 37 days ago
Retailer 2
-
$207 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$231 USD
View
Final sale: no returns
Retailer 4
-
$240 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$253 USD
View
Price last confirmed 35 days ago
Retailer 6
-
$256 USD
View
Price last confirmed 18 days ago
Retailer 7
-
$256 USD
View
Price last confirmed 27 days ago
B+
Retailer 8
-
$362 USD
View
A
Retailer 9
-
$433 USD
ZAR 6,999 ZAR
View
A
Retailer 10
-
$434 USD
€413 EUR
View
A
Retailer 11
-
$471 USD
£371 GBP
View
A
Retailer 12
-
$548 USD
View
A
Retailer 13
-
$626 USD
A$963 AUD
View
A
Retailer 14
-
$697 USD
View
Retailer 15
-
$824 USD
View
Price last confirmed 30 days ago
Retailer 16
-
$824 USD
View
Price last confirmed 33 days ago
B+
Retailer 17
-
$826 USD
View
B+
Retailer 18
-
$877 USD
View
B+
Retailer 19
-
$1,027 USD
£809 GBP
View
Retailer 20
-
$1,205 USD
View
Price last confirmed 12 days ago
B+
Retailer 21
-
$1,215 USD
View
Most Expensive
B
Brilliant Earth
21017416A · Oct 29
$1,650 USD
View
21 more retailers have this diamond
Prices start from $231 USDSave up to $1,419 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
$231 USD