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Round|Lab Grown|IGI

1.28ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG800679863

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800679863

Diamond specifications and retailer prices

From €447 EUR
HK$3,900 HKD
As of October 30, 2026
Save €1,818 EUR (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,265 EUR at Brilliant Earth · As of October 29, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800679863 or 800679863. Listed at 13 retailers as of October 29, 2026, with prices from €447 to €2,265, a €1,818 spread on the same certified stone. Brilliant Earth lists it at €2,265. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679863
Dimensions6.93 × 6.97 × 4.31 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
6.93 mm6.97 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679863
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.0%

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 30
Current: €2,265 EUR|Low: €447 EUR|High: €2,641 EUR|Avg: €1,095 EUR|-14.2%
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
October 30, 2026
Retailer 13€447 EUR
Retailer 3€546 EUR
Retailer 6€629 EUR
Retailer 8€663 EUR
Retailer 2€692 EUR
Retailer 7€709 EUR
Retailer 10€730 EUR
Retailer 11€882 EUR
Retailer 4€1,279 EUR
Retailer 5€1,441 EUR
Retailer 12€1,480 EUR
Retailer 9€1,511 EUR
Brilliant Earth€2,265 EUR

41 data points across 13 retailers

13 retailers€447 EUR to €2,265 EUR

A
Cheapest Retailer
-
€447 EUR
HK$3,900 HKD
A
Retailer 2
-
€546 EUR
$610 USD
View
A
Retailer 3
-
€629 EUR
View
A
Retailer 4
-
€663 EUR
ZAR 11,975 ZAR
View
A
Retailer 5
-
€692 EUR
£609 GBP
View
A
Retailer 6
-
€709 EUR
A$1,218 AUD
View
A
Retailer 7
-
€730 EUR
$816 USD
View
B+
Retailer 8
-
€882 EUR
$986 USD
View
B+
Retailer 9
-
€1,279 EUR
$1,429 USD
View
Retailer 10
-
€1,441 EUR
$1,610 USD
View
Price last confirmed 23 days ago
B+
Retailer 11
-
€1,480 EUR
$1,653 USD
View
B+
Retailer 12
-
€1,511 EUR
£1,329 GBP
View
Most Expensive
B
Brilliant Earth
20936621A · Oct 29
€2,265 EUR
$2,530 USD
View
12 more retailers have this diamond
Prices start from €447 EURSave up to €1,818 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
€447 EUR