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Round|Lab Grown|IGI

1.28ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG713560121

Shape and cutting style on the report: Round brilliant

Certificate IGI LG713560121

Diamond specifications and retailer prices

From €262 EUR
$293 USD
As of October 28, 2026
Save €983 EUR (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,245 EUR at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.28ct lab-grown round diamond

This 1.28ct 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 LG713560121 or 713560121. Listed at 21 retailers as of October 28, 2026, with prices from €262 to €1,245, a €983 spread on the same certified stone. Reve Diamonds lists it at €1,245. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG713560121
Dimensions6.99 × 6.96 × 4.32 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 mm6.96 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG713560121
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.0%

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: €553 EUR|Low: €186 EUR|High: €1,245 EUR|Avg: €645 EUR|+6.1%
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 2€262 EUR
Retailer 5€291 EUR
Retailer 4€434 EUR
Retailer 9€482 EUR
Retailer 1€553 EUR
Retailer 10€584 EUR
Retailer 8€651 EUR
Retailer 3€707 EUR
Retailer 7€892 EUR
Retailer 6€1,171 EUR
Reve Diamonds€1,245 EUR

32 data points across 11 retailers

21 retailers€262 EUR to €1,245 EUR

Retailer 1
-
€225 EUR
$251 USD
Price last confirmed 31 days ago
Retailer 2
-
€235 EUR
$262 USD
View
Price last confirmed 40 days ago
Retailer 3
-
€235 EUR
$262 USD
View
Price last confirmed 9 days ago
Retailer 4
-
€235 EUR
$262 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
€262 EUR
$293 USD
View
Final sale: no returns
Retailer 6
-
€272 EUR
$304 USD
View
Price last confirmed 40 days ago
Retailer 7
-
€272 EUR
$304 USD
View
Price last confirmed 23 days ago
Retailer 8
-
€286 EUR
$320 USD
View
Price last confirmed 40 days ago
Retailer 9
-
€291 EUR
$325 USD
View
Price last confirmed 16 days ago
A
Retailer 10
-
€434 EUR
$485 USD
View
A
Retailer 11
-
€482 EUR
$539 USD
View
A
Retailer 12
-
€553 EUR
£486 GBP
View
A
Retailer 13
-
€584 EUR
$653 USD
View
A
Retailer 14
-
€651 EUR
$727 USD
View
A
Retailer 15
-
€707 EUR
A$1,215 AUD
View
B+
Retailer 16
-
€892 EUR
$997 USD
View
B+
Retailer 17
-
€934 EUR
$1,044 USD
View
Retailer 18
-
€934 EUR
$1,044 USD
View
Price last confirmed 41 days ago
B+
Retailer 19
-
€980 EUR
$1,095 USD
View
B+
Retailer 20
-
€1,171 EUR
£1,030 GBP
View
Most Expensive
B
Reve Diamonds
CB6CF838C · Oct 28
€1,245 EUR
$1,391 USD
View
20 more retailers have this diamond
Prices start from €262 EURSave up to €983 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
1.28ct Round
€262 EUR