Round|Lab Grown|IGI

1.27ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG828680442

Shape and cutting style on the report: Round brilliant

Certificate IGI LG828680442

Diamond specifications and retailer prices

From $371 USD
HK$2,900 HKD
As of October 29, 2026
Save $2,089 USD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,460 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 LG828680442 or 828680442. Listed at 14 retailers as of October 29, 2026, with prices from $371 to $2,460, a $2,089 spread on the same certified stone. Brilliant Earth lists it at $2,460. 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 angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828680442
Dimensions6.97 × 6.92 × 4.28 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 mm6.92 mm1.27 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828680442
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

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: $2,460 USD|Low: $371 USD|High: $2,460 USD|Avg: $912 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
October 28, 2026
Retailer 3$371 USD
Retailer 11$448 USD
Retailer 9$525 USD
Retailer 2$543 USD
Retailer 6$597 USD
Retailer 13$699 USD
Retailer 12$714 USD
Retailer 7$994 USD
Retailer 4$1,067 USD
Retailer 5$1,172 USD
Retailer 10$1,220 USD
Retailer 8$1,267 USD
Brilliant Earth$2,460 USD

29 data points across 13 retailers

14 retailers$371 USD to $2,460 USD

A
Cheapest Retailer
-
$371 USD
HK$2,900 HKD
A
Retailer 2
-
$448 USD
View
A
Retailer 3
-
$525 USD
€500 EUR
View
A
Retailer 4
-
$543 USD
ZAR 8,767 ZAR
View
A
Retailer 5
-
$597 USD
£470 GBP
View
A
Retailer 6
-
$699 USD
View
A
Retailer 7
-
$714 USD
View
B+
Retailer 8
-
$994 USD
A$1,529 AUD
View
B+
Retailer 9
-
$1,067 USD
View
B+
Retailer 10
-
$1,140 USD
View
B+
Retailer 11
-
$1,172 USD
View
B+
Retailer 12
-
$1,220 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$1,267 USD
£998 GBP
View
Most Expensive
B
Brilliant Earth
21582004A · Oct 29
$2,460 USD
View
13 more retailers have this diamond
Prices start from $371 USDSave up to $2,089 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
$371 USD