Round|Lab Grown|IGI

1.43ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG778645997

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645997

Diamond specifications and retailer prices

From €508 EUR
$568 USD
As of October 29, 2026
Save €2,329 EUR (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,837 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.43ct lab-grown round diamond

This 1.43ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778645997 or 778645997. Listed at 22 retailers as of October 29, 2026, with prices from €508 to €2,837, a €2,329 spread on the same certified stone. Brilliant Earth lists it at €2,837. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645997
Dimensions7.27 × 7.29 × 4.40 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
7.27 mm7.29 mm1.43 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645997
Side View
Table 56.0%Crown 33.2°Girdle: MediumPavilion 40.3°Culet: NoneDepth 60.4%

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: €2,837 EUR|Low: €488 EUR|High: €3,267 EUR|Avg: €1,221 EUR|-13.2%
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 31, 2026
Retailer 14€508 EUR
Retailer 6€569 EUR
Retailer 3€630 EUR
Retailer 15€630 EUR
Retailer 12€747 EUR
Retailer 5€819 EUR
Retailer 7€846 EUR
Retailer 8€972 EUR
Retailer 2€1,053 EUR
Retailer 10€1,083 EUR
Retailer 13€1,419 EUR
Retailer 11€1,790 EUR
Retailer 4€1,994 EUR
Retailer 9€2,750 EUR
Brilliant Earth€2,837 EUR

41 data points across 15 retailers

22 retailers€508 EUR to €2,837 EUR

A
Cheapest Retailer
-
€508 EUR
$568 USD
A
Retailer 2
-
€569 EUR
$636 USD
View
Final sale: no returns
A
Retailer 3
-
€569 EUR
$636 USD
View
A
Retailer 4
-
€630 EUR
$704 USD
View
Retailer 5
-
€630 EUR
$704 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€687 EUR
HK$6,000 HKD
View
A
Retailer 7
-
€747 EUR
$835 USD
View
B+
Retailer 8
-
€819 EUR
$915 USD
View
B+
Retailer 9
-
€846 EUR
$945 USD
View
B+
Retailer 10
-
€949 EUR
$1,060 USD
View
B+
Retailer 11
-
€972 EUR
£855 GBP
View
B+
Retailer 12
-
€1,053 EUR
View
B+
Retailer 13
-
€1,083 EUR
ZAR 19,542 ZAR
View
B+
Retailer 14
-
€1,419 EUR
$1,585 USD
View
B
Retailer 15
-
€1,657 EUR
$1,851 USD
View
B
Retailer 16
-
€1,770 EUR
$1,978 USD
View
B
Retailer 17
-
€1,790 EUR
$2,000 USD
View
B
Retailer 18
-
€1,994 EUR
SGD 3,010 SGD
View
B
Retailer 19
-
€2,042 EUR
$2,281 USD
View
B
Retailer 20
-
€2,118 EUR
$2,367 USD
View
B
Retailer 21
-
€2,750 EUR
£2,419 GBP
View
Most Expensive
B
Brilliant Earth
18981283A · Oct 30
€2,837 EUR
$3,170 USD
View
21 more retailers have this diamond
Prices start from €508 EURSave up to €2,329 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
1.43ct Round
€508 EUR