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Radiant|Lab Grown|IGI

1.29ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG754508761

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG754508761

Diamond specifications and retailer prices

From €412 EUR
HK$3,600 HKD
As of November 1, 2026
Save €1,275 EUR (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,687 EUR at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.29ct lab-grown radiant diamond

This 1.29ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508761 or 754508761. Listed at 14 retailers as of October 31, 2026, with prices from €412 to €1,687, a €1,275 spread on the same certified stone. Blue Nile lists it at €1,687. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508761
Dimensions5.37 × 5.37 × 3.54 mm
L/W Ratio1.00
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
5.37 mm5.37 mm1.29 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508761
Side View
Table 62.0%Crown 46.9°Girdle: MED-STKPavilion 33.1°Culet: NoneDepth 65.9%

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: €1,687 EUR|Low: €353 EUR|High: €2,282 EUR|Avg: €1,032 EUR
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10€430 EUR
Retailer 12€491 EUR
Retailer 6€501 EUR
Retailer 5€533 EUR
Retailer 3€602 EUR
Retailer 4€676 EUR
Retailer 9€1,158 EUR
Retailer 11€1,207 EUR
Retailer 2€1,214 EUR
Retailer 8€1,651 EUR
Retailer 7€1,674 EUR
Blue Nile€1,687 EUR

42 data points across 12 retailers

14 retailers€412 EUR to €1,687 EUR

A
Cheapest Retailer
-
€412 EUR
HK$3,600 HKD
A
Retailer 2
-
€430 EUR
$480 USD
View
A
Retailer 3
-
€491 EUR
$548 USD
View
A
Retailer 4
-
€501 EUR
View
A
Retailer 5
-
€533 EUR
£469 GBP
View
A
Retailer 6
-
€602 EUR
$673 USD
View
B+
Retailer 7
-
€676 EUR
$755 USD
View
B
Retailer 8
-
€1,124 EUR
$1,256 USD
View
Retailer 9
-
€1,158 EUR
A$1,991 AUD
View
Price last confirmed 24 days ago
B
Retailer 10
-
€1,207 EUR
SGD 1,823 SGD
View
B+
Retailer 11
-
€1,214 EUR
£1,068 GBP
View
Retailer 12
-
€1,651 EUR
$1,845 USD
View
Price last confirmed 14 days ago
B
Retailer 13
-
€1,674 EUR
$1,870 USD
View
Most Expensive
B
Blue Nile
28885049 · Oct 31
€1,687 EUR
$1,885 USD
View
13 more retailers have this diamond
Prices start from €412 EURSave up to €1,275 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
1.29ct Radiant
€412 EUR