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Radiant|Lab Grown|IGI

1.33ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG689516105

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

Certificate IGI LG689516105

Diamond specifications and retailer prices

From $467 SGD
$365 USD
As of October 30, 2026
Save $1,576 SGD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,602 SGD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.33ct lab-grown radiant diamond

This 1.33ct 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 LG689516105 or 689516105. Listed at 14 retailers as of October 30, 2026, with a 338% 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

1.33
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689516105
Dimensions6.56 × 6.23 × 3.88 mm
L/W Ratio1.05
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
6.56 mm6.23 mm1.33 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689516105
Side View
Table 58.0%Crown 37.8°Girdle: MediumPavilion 34.9°Culet: NoneDepth 62.3%

Caratlytics Score

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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 30
Current: $4,602 SGD|Low: $467 SGD|High: $4,602 SGD|Avg: $1,357 SGD
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
Retailer 16
Retailer 17
October 31, 2026
Retailer 4$467 SGD
Retailer 8$481 SGD
Retailer 17$518 SGD
Retailer 10$535 SGD
Retailer 12$697 SGD
Retailer 2$793 SGD
Retailer 3$837 SGD
Retailer 16$843 SGD
Retailer 11$890 SGD
Retailer 15$1,239 SGD
Retailer 7$1,373 SGD
Retailer 5$1,722 SGD
Retailer 9$1,948 SGD
Retailer 6$2,043 SGD
Retailer 14$2,086 SGD
Retailer 13$2,403 SGD
Brilliant Earth$4,602 SGD

31 data points across 17 retailers

14 retailers$467 SGD to $2,043 SGD

A
Cheapest Retailer
-
$467 SGD
$365 USD
Final sale: no returns
A
Retailer 2
-
$518 SGD
$405 USD
View
A
Retailer 3
-
$535 SGD
£329 GBP
View
A
Retailer 4
-
$697 SGD
$545 USD
View
A
Retailer 5
-
$793 SGD
$620 USD
View
A
Retailer 6
-
$837 SGD
$655 USD
View
A
Retailer 7
-
$890 SGD
ZAR 11,247 ZAR
View
B+
Retailer 8
-
$1,239 SGD
$969 USD
View
B
Retailer 9
-
$1,722 SGD
$1,347 USD
View
B
Retailer 10
-
$2,043 SGD
$1,598 USD
View
Retailer 11
-
$2,086 SGD
£1,285 GBP
View
Price last confirmed 12 days ago
Retailer 12
-
$2,403 SGD
$1,880 USD
View
Price last confirmed 13 days ago
Retailer 13
-
$2,484 SGD
$1,943 USD
View
Price last confirmed 83 days ago
Most Expensive
Brilliant Earth
21386154A · Oct 8
$4,602 SGD
$3,600 USD
View
Price last confirmed 23 days ago
13 more retailers have this diamond
Prices start from $467 SGDSave up to $1,576 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
1.33ct Radiant
$467 SGD