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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 $589 SGD
HK$3,600 HKD
As of October 31, 2026
Save $1,821 SGD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,410 SGD 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 $589 to $2,410, a $1,821 spread on the same certified stone. Blue Nile lists it at $2,410. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,410 SGD|Low: $504 SGD|High: $3,260 SGD|Avg: $1,459 SGD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 10$614 SGD
Retailer 12$701 SGD
Retailer 2$715 SGD
Retailer 5$761 SGD
Retailer 3$860 SGD
Retailer 4$965 SGD
Retailer 9$1,654 SGD
Retailer 11$1,725 SGD
Retailer 7$1,737 SGD
Retailer 8$2,359 SGD
Retailer 6$2,391 SGD
Blue Nile$2,410 SGD

42 data points across 12 retailers

14 retailers$589 SGD to $2,410 SGD

A
Cheapest Retailer
-
$589 SGD
HK$3,600 HKD
A
Retailer 2
-
$614 SGD
$480 USD
View
A
Retailer 3
-
$701 SGD
$548 USD
View
A
Retailer 4
-
$715 SGD
€533 EUR
View
A
Retailer 5
-
$761 SGD
£469 GBP
View
A
Retailer 6
-
$860 SGD
$673 USD
View
B+
Retailer 7
-
$965 SGD
$755 USD
View
B
Retailer 8
-
$1,606 SGD
$1,256 USD
View
Retailer 9
-
$1,654 SGD
A$1,991 AUD
View
Price last confirmed 24 days ago
B
Retailer 10
-
$1,725 SGD
View
B+
Retailer 11
-
$1,737 SGD
£1,070 GBP
View
Retailer 12
-
$2,359 SGD
$1,845 USD
View
Price last confirmed 13 days ago
B
Retailer 13
-
$2,391 SGD
$1,870 USD
View
Most Expensive
B
Blue Nile
28885049 · Oct 31
$2,410 SGD
$1,885 USD
View
13 more retailers have this diamond
Prices start from $589 SGDSave up to $1,821 SGD

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
$589 SGD