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Radiant|Lab Grown|IGI

1.61ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG739586470

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

Certificate IGI LG739586470

Diamond specifications and retailer prices

From $541 SGD
$423 USD
As of October 30, 2026
Save $4,023 SGD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,564 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.61ct lab-grown radiant diamond

This 1.61ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739586470 or 739586470. Listed at 25 retailers as of October 30, 2026, with prices from $541 to $4,564, a $4,023 spread on the same certified stone. Brilliant Earth lists it at $4,564. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739586470
Dimensions8.63 × 5.84 × 3.72 mm
L/W Ratio1.48
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
8.63 mm5.84 mm1.61 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739586470
Side View
Table 67.0%Crown 41.7°Girdle: MediumPavilion 32.5°Culet: NoneDepth 63.7%

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: $4,564 SGD|Low: $541 SGD|High: $5,062 SGD|Avg: $1,742 SGD|-9.8%
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
October 31, 2026
Retailer 7$541 SGD
Retailer 12$796 SGD
Retailer 9$799 SGD
Retailer 6$1,012 SGD
Retailer 2$1,088 SGD
Retailer 11$1,136 SGD
Retailer 5$1,386 SGD
Retailer 8$1,449 SGD
Retailer 10$1,539 SGD
Retailer 16$1,680 SGD
Retailer 14$1,929 SGD
Retailer 3$2,241 SGD
Retailer 4$2,311 SGD
Retailer 15$2,440 SGD
Retailer 13$3,580 SGD
Brilliant Earth$4,564 SGD

41 data points across 16 retailers

25 retailers$541 SGD to $4,564 SGD

Retailer 1
-
$483 SGD
$378 USD
Price last confirmed 15 days ago
A
Retailer 2
-
$541 SGD
$423 USD
View
Final sale: no returns
Retailer 3
-
$541 SGD
$423 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$598 SGD
$468 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$598 SGD
$468 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
$796 SGD
$623 USD
View
A
Retailer 7
-
$799 SGD
$625 USD
View
A
Retailer 8
-
$1,012 SGD
$792 USD
View
A
Retailer 9
-
$1,088 SGD
£670 GBP
View
A
Retailer 10
-
$1,136 SGD
ZAR 14,350 ZAR
View
A
Retailer 11
-
$1,156 SGD
$904 USD
View
B+
Retailer 12
-
$1,386 SGD
$1,084 USD
View
B+
Retailer 13
-
$1,449 SGD
$1,133 USD
View
B+
Retailer 14
-
$1,539 SGD
A$1,852 AUD
View
B+
Retailer 15
-
$1,680 SGD
$1,314 USD
View
B+
Retailer 16
-
$1,929 SGD
£1,188 GBP
View
Retailer 17
-
$2,125 SGD
$1,662 USD
View
Price last confirmed 15 days ago
B+
Retailer 18
-
$2,241 SGD
$1,753 USD
View
B+
Retailer 19
-
$2,241 SGD
$1,753 USD
View
B
Retailer 20
-
$2,311 SGD
$1,808 USD
View
B
Retailer 21
-
$2,320 SGD
$1,814 USD
View
Retailer 22
-
$2,440 SGD
£1,503 GBP
View
Price last confirmed 14 days ago
B
Retailer 23
-
$3,580 SGD
$2,800 USD
View
B
Retailer 24
-
$4,283 SGD
$3,350 USD
View
Most Expensive
B
Brilliant Earth
18397049Y · Oct 31
$4,564 SGD
$3,570 USD
View
24 more retailers have this diamond
Prices start from $541 SGDSave up to $4,023 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
1.61ct Radiant
$541 SGD