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Radiant|Lab Grown|IGI

1.60ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG618488008

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

Certificate IGI LG618488008

Diamond specifications and retailer prices

From $386 SGD
$302 USD
As of October 30, 2026
Save $3,462 SGD (90%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $3,848 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.6ct lab-grown radiant diamond

This 1.6ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG618488008 or 618488008. Listed at 29 retailers as of October 30, 2026, with prices from $386 to $3,848, a $3,462 spread on the same certified stone. Brilliant Earth lists it at $3,848. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618488008
Dimensions5.82 × 5.82 × 3.91 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
5.82 mm5.82 mm1.60 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618488008
Side View
Table 63.0%Crown 36.8°Girdle: MediumPavilion 34.2°Culet: NoneDepth 67.2%

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: $3,848 SGD|Low: $386 SGD|High: $4,692 SGD|Avg: $1,362 SGD|-18.0%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 21$386 SGD
Retailer 17$431 SGD
Retailer 9$556 SGD
Retailer 3$678 SGD
Retailer 18$678 SGD
Retailer 19$783 SGD
Retailer 7$814 SGD
Retailer 16$823 SGD
Retailer 2$851 SGD
Retailer 8$1,080 SGD
Retailer 15$1,117 SGD
Retailer 4$1,441 SGD
Retailer 20$1,471 SGD
Retailer 11$1,600 SGD
Retailer 12$1,613 SGD
Retailer 6$1,842 SGD
Retailer 13$1,930 SGD
Retailer 5$1,943 SGD
Retailer 10$1,956 SGD
Retailer 14$2,126 SGD
Brilliant Earth$3,848 SGD

35 data points across 21 retailers

29 retailers$386 SGD to $3,848 SGD

A
Cheapest Retailer
-
$386 SGD
$302 USD
Retailer 2
-
$386 SGD
$302 USD
View
Price last confirmed 22 days ago
Retailer 3
-
$403 SGD
$315 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
$431 SGD
$337 USD
View
Final sale: no returns
Retailer 5
-
$467 SGD
$365 USD
View
Price last confirmed 33 days ago
Retailer 6
-
$479 SGD
$375 USD
View
Price last confirmed 27 days ago
Retailer 7
-
$492 SGD
$385 USD
View
Price last confirmed 31 days ago
A
Retailer 8
-
$556 SGD
HK$3,400 HKD
View
A
Retailer 9
-
$678 SGD
$530 USD
View
A
Retailer 10
-
$678 SGD
$530 USD
View
A
Retailer 11
-
$783 SGD
€583 EUR
View
A
Retailer 12
-
$814 SGD
$637 USD
View
A
Retailer 13
-
$823 SGD
ZAR 10,402 ZAR
View
A
Retailer 14
-
$851 SGD
£524 GBP
View
A
Retailer 15
-
$1,080 SGD
$845 USD
View
A
Retailer 16
-
$1,117 SGD
A$1,344 AUD
View
B+
Retailer 17
-
$1,441 SGD
$1,127 USD
View
B+
Retailer 18
-
$1,471 SGD
$1,151 USD
View
Retailer 19
-
$1,540 SGD
$1,205 USD
View
Price last confirmed 20 days ago
B+
Retailer 20
-
$1,540 SGD
$1,205 USD
View
B+
Retailer 21
-
$1,600 SGD
$1,252 USD
View
Retailer 22
-
$1,604 SGD
$1,255 USD
View
Price last confirmed 29 days ago
B+
Retailer 23
-
$1,613 SGD
View
B+
Retailer 24
-
$1,842 SGD
$1,441 USD
View
B+
Retailer 25
-
$1,930 SGD
£1,189 GBP
View
B+
Retailer 26
-
$1,943 SGD
$1,520 USD
View
Retailer 27
-
$1,956 SGD
A$2,354 AUD
View
Price last confirmed 28 days ago
B+
Retailer 28
-
$2,126 SGD
$1,663 USD
View
Most Expensive
B
Brilliant Earth
9085934A · Oct 30
$3,848 SGD
$3,010 USD
View
28 more retailers have this diamond
Prices start from $386 SGDSave up to $3,462 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
1.60ct Radiant
$386 SGD