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Radiant|Lab Grown|IGI

1.60ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG769647838

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

Certificate IGI LG769647838

Diamond specifications and retailer prices

From $479 SGD
$375 USD
As of October 30, 2026
Save $4,059 SGD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,538 SGD at Brilliant Earth · As of October 31, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG769647838 or 769647838. Listed at 24 retailers as of October 30, 2026, with prices from $479 to $4,538, a $4,059 spread on the same certified stone. Brilliant Earth lists it at $4,538. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769647838
Dimensions8.61 × 5.76 × 3.79 mm
L/W Ratio1.49
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
8.61 mm5.76 mm1.60 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769647838
Side View
Table 63.0%Crown 39.9°Girdle: MED-STKPavilion 32.8°Culet: NoneDepth 65.8%

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: $4,538 SGD|Low: $460 SGD|High: $5,024 SGD|Avg: $1,487 SGD|-9.7%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 20
November 1, 2026
Retailer 20$479 SGD
Retailer 11$537 SGD
Retailer 6$538 SGD
Retailer 3$596 SGD
Retailer 8$596 SGD
Retailer 15$786 SGD
Retailer 19$791 SGD
Retailer 10$1,009 SGD
Retailer 2$1,081 SGD
Retailer 14$1,129 SGD
Retailer 9$1,369 SGD
Retailer 12$1,440 SGD
Retailer 13$1,530 SGD
Retailer 18$1,670 SGD
Retailer 5$2,112 SGD
Retailer 4$2,227 SGD
Retailer 7$2,300 SGD
Retailer 16$2,416 SGD
Retailer 17$3,580 SGD
Brilliant Earth$4,538 SGD

45 data points across 20 retailers

24 retailers$479 SGD to $4,538 SGD

A
Cheapest Retailer
-
$479 SGD
$375 USD
A
Retailer 2
-
$537 SGD
$420 USD
View
Final sale: no returns
A
Retailer 3
-
$538 SGD
$421 USD
View
A
Retailer 4
-
$596 SGD
$466 USD
View
A
Retailer 5
-
$596 SGD
$466 USD
View
A
Retailer 6
-
$786 SGD
$615 USD
View
A
Retailer 7
-
$791 SGD
$619 USD
View
A
Retailer 8
-
$1,009 SGD
$789 USD
View
A
Retailer 9
-
$1,081 SGD
£666 GBP
View
A
Retailer 10
-
$1,129 SGD
ZAR 14,267 ZAR
View
A
Retailer 11
-
$1,142 SGD
$893 USD
View
B+
Retailer 12
-
$1,369 SGD
$1,071 USD
View
B+
Retailer 13
-
$1,440 SGD
$1,126 USD
View
B+
Retailer 14
-
$1,530 SGD
A$1,841 AUD
View
B+
Retailer 15
-
$1,670 SGD
$1,306 USD
View
B+
Retailer 16
-
$2,112 SGD
$1,652 USD
View
B+
Retailer 17
-
$2,227 SGD
$1,742 USD
View
B+
Retailer 18
-
$2,232 SGD
$1,746 USD
View
B
Retailer 19
-
$2,300 SGD
$1,799 USD
View
B
Retailer 20
-
$2,308 SGD
$1,805 USD
View
B+
Retailer 21
-
$2,416 SGD
£1,488 GBP
View
B
Retailer 22
-
$3,580 SGD
$2,800 USD
View
B
Retailer 23
-
$4,257 SGD
$3,330 USD
View
Most Expensive
B
Brilliant Earth
18397136Y · Oct 31
$4,538 SGD
$3,550 USD
View
23 more retailers have this diamond
Prices start from $479 SGDSave up to $4,059 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
$479 SGD