CaratHunter
Plans
Round|Lab Grown|IGI

1.28ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG668433294

Shape and cutting style on the report: Round brilliant

Certificate IGI LG668433294

Diamond specifications and retailer prices

From €212 EUR
$237 USD
As of November 1, 2026
Save €1,247 EUR (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,459 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG668433294 or 668433294. Listed at 21 retailers as of November 1, 2026, with prices from €212 to €1,459, a €1,247 spread on the same certified stone. Brilliant Earth lists it at €1,459. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668433294
Dimensions6.94 × 6.98 × 4.32 mm
L/W Ratio1.01
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
6.94 mm6.98 mm1.28 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668433294
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.1%

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: Nov 1
Current: €1,459 EUR|Low: €203 EUR|High: €1,710 EUR|Avg: €582 EUR|-14.7%
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
November 2, 2026
Retailer 12€212 EUR
Retailer 5€237 EUR
Retailer 3€263 EUR
Retailer 13€354 EUR
Retailer 8€454 EUR
Retailer 6€477 EUR
Retailer 4€480 EUR
Retailer 7€491 EUR
Retailer 10€641 EUR
Retailer 2€699 EUR
Retailer 11€1,047 EUR
Retailer 9€1,053 EUR
Brilliant Earth€1,459 EUR

43 data points across 13 retailers

21 retailers€212 EUR to €1,459 EUR

A
Cheapest Retailer
-
€212 EUR
$237 USD
A
Retailer 2
-
€237 EUR
$265 USD
View
Final sale: no returns
A
Retailer 3
-
€246 EUR
$275 USD
View
Retailer 4
-
€263 EUR
$294 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€263 EUR
$294 USD
View
A
Retailer 6
-
€298 EUR
HK$2,600 HKD
View
A
Retailer 7
-
€354 EUR
$395 USD
View
A
Retailer 8
-
€454 EUR
ZAR 8,187 ZAR
View
A
Retailer 9
-
€477 EUR
View
A
Retailer 10
-
€480 EUR
$536 USD
View
A
Retailer 11
-
€491 EUR
£432 GBP
View
B+
Retailer 12
-
€627 EUR
$701 USD
View
B+
Retailer 13
-
€641 EUR
A$1,101 AUD
View
B+
Retailer 14
-
€699 EUR
$781 USD
View
B+
Retailer 15
-
€845 EUR
$944 USD
View
B+
Retailer 16
-
€848 EUR
SGD 1,281 SGD
View
B+
Retailer 17
-
€891 EUR
$996 USD
View
B
Retailer 18
-
€913 EUR
$1,020 USD
View
B
Retailer 19
-
€1,047 EUR
$1,170 USD
View
B+
Retailer 20
-
€1,053 EUR
£926 GBP
View
Most Expensive
B
Brilliant Earth
14522387A · Nov 2
€1,459 EUR
$1,630 USD
View
20 more retailers have this diamond
Prices start from €212 EURSave up to €1,247 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
€212 EUR