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Radiant|Lab Grown|IGI

1.61ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG625406942

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

Certificate IGI LG625406942

Diamond specifications and retailer prices

From $353 SGD
$276 USD
As of October 30, 2026
Save $3,802 SGD (92%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,155 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 LG625406942 or 625406942. Listed at 24 retailers as of October 30, 2026, with prices from $353 to $4,155, a $3,802 spread on the same certified stone. Brilliant Earth lists it at $4,155. 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 angle41.2°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625406942
Dimensions8.31 × 5.97 × 3.85 mm
L/W Ratio1.39
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
8.31 mm5.97 mm1.61 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625406942
Side View
Table 62.0%Crown 41.2°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 64.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,155 SGD|Low: $353 SGD|High: $5,932 SGD|Avg: $1,555 SGD|-30.0%
Brilliant Earth
Retailer 2
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Retailer 23
October 31, 2026
Retailer 8$353 SGD
Retailer 9$395 SGD
Retailer 5$410 SGD
Retailer 3$438 SGD
Retailer 23$438 SGD
Retailer 17$513 SGD
Retailer 11$724 SGD
Retailer 22$729 SGD
Retailer 2$775 SGD
Retailer 21$831 SGD
Retailer 13$860 SGD
Retailer 6$873 SGD
Retailer 4$1,128 SGD
Retailer 20$1,128 SGD
Retailer 12$1,346 SGD
Retailer 16$1,555 SGD
Retailer 15$1,684 SGD
Retailer 7$1,764 SGD
Retailer 14$1,814 SGD
Retailer 18$1,948 SGD
Retailer 10$3,132 SGD
Retailer 19$3,541 SGD
Brilliant Earth$4,155 SGD

31 data points across 23 retailers

24 retailers$353 SGD to $4,155 SGD

A
Cheapest Retailer
-
$353 SGD
$276 USD
A
Retailer 2
-
$395 SGD
$309 USD
View
Final sale: no returns
A
Retailer 3
-
$410 SGD
$321 USD
View
A
Retailer 4
-
$438 SGD
$343 USD
View
A
Retailer 5
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$438 SGD
$343 USD
View
A
Retailer 6
-
$513 SGD
£316 GBP
View
A
Retailer 7
-
$724 SGD
$566 USD
View
A
Retailer 8
-
$729 SGD
$570 USD
View
A
Retailer 9
-
$775 SGD
€577 EUR
View
A
Retailer 10
-
$831 SGD
ZAR 10,501 ZAR
View
A
Retailer 11
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$860 SGD
£529 GBP
View
A
Retailer 12
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$873 SGD
$683 USD
View
A
Retailer 13
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$1,128 SGD
$882 USD
View
A
Retailer 14
-
$1,128 SGD
A$1,357 AUD
View
A
Retailer 15
-
$1,346 SGD
$1,053 USD
View
B+
Retailer 16
-
$1,555 SGD
$1,216 USD
View
B+
Retailer 17
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$1,684 SGD
$1,317 USD
View
B+
Retailer 18
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$1,764 SGD
$1,380 USD
View
B+
Retailer 19
-
$1,814 SGD
View
B+
Retailer 20
-
$1,948 SGD
£1,200 GBP
View
B
Retailer 21
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$3,132 SGD
$2,450 USD
View
Retailer 22
-
$3,541 SGD
$2,770 USD
View
Price last confirmed 13 days ago
B
Retailer 23
-
$3,541 SGD
$2,770 USD
View
Most Expensive
B
Brilliant Earth
13714359Y · Oct 31
$4,155 SGD
$3,250 USD
View
23 more retailers have this diamond
Prices start from $353 SGDSave up to $3,802 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
$353 SGD