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Round|Lab Grown|IGI

1.28ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG790612054

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790612054

Diamond specifications and retailer prices

From €1,475 EUR
$1,648 USD
As of October 29, 2026
Save €1,732 EUR (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €5,204 EUR at Reve Diamonds · As of October 30, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790612054 or 790612054. Listed at 20 retailers as of October 27, 2026, with a 117% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790612054
Dimensions7.04 × 7.08 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.04 mm7.08 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790612054
Side View
Table 57.0%Crown 33.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €2,695 EUR|Low: €1,416 EUR|High: €5,716 EUR|Avg: €2,612 EUR|+2.3%
Retailer 1
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
Retailer 16
Retailer 17
October 31, 2026
Retailer 17€1,475 EUR
Retailer 14€1,486 EUR
Retailer 7€1,605 EUR
Retailer 9€1,651 EUR
Retailer 2€1,711 EUR
Retailer 4€1,711 EUR
Retailer 6€1,825 EUR
Retailer 16€1,862 EUR
Retailer 10€2,416 EUR
Retailer 3€2,689 EUR
Retailer 1€2,695 EUR
Retailer 15€2,950 EUR
Retailer 13€3,034 EUR
Retailer 11€3,145 EUR
Retailer 8€3,207 EUR
Retailer 12€4,913 EUR
Retailer 5€5,716 EUR

44 data points across 17 retailers

20 retailers€1,475 EUR to €3,207 EUR

B+
Cheapest Retailer
-
€1,475 EUR
$1,648 USD
Retailer 2
-
€1,486 EUR
$1,660 USD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
€1,605 EUR
$1,793 USD
View
B+
Retailer 4
-
€1,651 EUR
$1,845 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,711 EUR
$1,912 USD
View
Retailer 6
-
€1,711 EUR
$1,912 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
€1,825 EUR
$2,039 USD
View
B+
Retailer 8
-
€1,862 EUR
$2,080 USD
View
B
Retailer 9
-
€1,971 EUR
HK$17,200 HKD
View
B
Retailer 10
-
€2,416 EUR
£2,125 GBP
View
B
Retailer 11
-
€2,689 EUR
$3,004 USD
View
B
Retailer 12
-
€2,695 EUR
View
B
Retailer 13
-
€2,950 EUR
$3,296 USD
View
B
Retailer 14
-
€3,034 EUR
$3,390 USD
View
B
Retailer 15
-
€3,145 EUR
ZAR 56,770 ZAR
View
B
Retailer 16
-
€3,207 EUR
$3,583 USD
View
Retailer 17
-
€4,913 EUR
£4,322 GBP
View
Price under review
Most Expensive
Reve Diamonds
5B170FEB1 · Oct 30
€5,204 EUR
$5,814 USD
View
Price under review
17 more retailers have this diamond
Prices start from €1,475 EURSave up to €1,732 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.

B+
1.28ct Round
€1,475 EUR