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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 €208 EUR
$231 USD
As of October 28, 2026
Save €1,275 EUR (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,482 EUR 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 €208 to €1,482, a €1,275 spread on the same certified stone. Brilliant Earth lists it at €1,482. 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
Colour
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

How it works →
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: €1,482 EUR|Low: €147 EUR|High: €1,527 EUR|Avg: €635 EUR|-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 29, 2026
Retailer 15€208 EUR
Retailer 7€237 EUR
Retailer 4€325 EUR
Retailer 11€389 EUR
Retailer 8€390 EUR
Retailer 2€422 EUR
Retailer 3€492 EUR
Retailer 9€562 EUR
Retailer 14€626 EUR
Retailer 12€742 EUR
Retailer 5€788 EUR
Retailer 10€923 EUR
Retailer 13€1,083 EUR
Retailer 6€1,091 EUR
Brilliant Earth€1,482 EUR

34 data points across 15 retailers

22 retailers€208 EUR to €1,482 EUR

A
Retailer 1
-
€186 EUR
$207 USD
Price last confirmed 37 days ago
A
Retailer 2
-
€186 EUR
$207 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
€208 EUR
$231 USD
View
Final sale: no returns
A
Retailer 4
-
€216 EUR
$240 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
€227 EUR
$253 USD
View
Price last confirmed 34 days ago
A
Retailer 6
-
€230 EUR
$256 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
€230 EUR
$256 USD
View
Price last confirmed 27 days ago
B+
Retailer 8
-
€325 EUR
$362 USD
View
A
Retailer 9
-
€389 EUR
ZAR 6,999 ZAR
View
A
Retailer 10
-
€390 EUR
View
A
Retailer 11
-
€422 EUR
£370 GBP
View
A
Retailer 12
-
€492 EUR
$548 USD
View
A
Retailer 13
-
€562 EUR
A$963 AUD
View
A
Retailer 14
-
€626 EUR
$697 USD
View
B+
Retailer 15
-
€740 EUR
$824 USD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
€740 EUR
$824 USD
View
Price last confirmed 32 days ago
B+
Retailer 17
-
€742 EUR
$826 USD
View
B+
Retailer 18
-
€788 EUR
$877 USD
View
B+
Retailer 19
-
€923 EUR
£809 GBP
View
B+
Retailer 20
-
€1,083 EUR
$1,205 USD
View
Price last confirmed 11 days ago
B+
Retailer 21
-
€1,091 EUR
$1,215 USD
View
Most Expensive
B
Brilliant Earth
21017416A · Oct 29
€1,482 EUR
$1,650 USD
View
21 more retailers have this diamond
Prices start from €208 EURSave up to €1,275 EUR

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
€208 EUR