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Radiant|Lab Grown|IGI

1.65ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG708567347

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

Certificate IGI LG708567347

Diamond specifications and retailer prices

From $399 SGD
$312 USD
As of October 30, 2026
Save $3,909 SGD (91%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $4,308 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.65ct lab-grown radiant diamond

This 1.65ct 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 LG708567347 or 708567347. Listed at 27 retailers as of October 30, 2026, with prices from $399 to $4,308, a $3,909 spread on the same certified stone. Brilliant Earth lists it at $4,308. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG708567347
Dimensions8.90 × 5.99 × 3.85 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
8.90 mm5.99 mm1.65 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG708567347
Side View
Table 60.0%Crown 33.6°Girdle: MediumPavilion 35.3°Culet: NoneDepth 64.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,308 SGD|Low: $399 SGD|High: $4,922 SGD|Avg: $1,551 SGD|-12.5%
Brilliant Earth
Retailer 2
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Retailer 24
October 31, 2026
Retailer 4$399 SGD
Retailer 14$446 SGD
Retailer 23$463 SGD
Retailer 7$495 SGD
Retailer 15$495 SGD
Retailer 22$687 SGD
Retailer 21$690 SGD
Retailer 13$717 SGD
Retailer 6$831 SGD
Retailer 20$937 SGD
Retailer 2$980 SGD
Retailer 3$1,188 SGD
Retailer 19$1,266 SGD
Retailer 8$1,450 SGD
Retailer 5$1,754 SGD
Retailer 11$1,898 SGD
Retailer 16$1,957 SGD
Retailer 10$1,976 SGD
Retailer 17$2,000 SGD
Retailer 12$2,124 SGD
Retailer 18$2,143 SGD
Retailer 9$3,541 SGD
Retailer 24$3,541 SGD
Brilliant Earth$4,308 SGD

37 data points across 24 retailers

27 retailers$399 SGD to $4,308 SGD

A
Cheapest Retailer
-
$399 SGD
$312 USD
A
Retailer 2
-
$446 SGD
$349 USD
View
Final sale: no returns
A
Retailer 3
-
$463 SGD
$362 USD
View
A
Retailer 4
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$495 SGD
$387 USD
View
A
Retailer 5
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$495 SGD
$387 USD
View
A
Retailer 6
-
$687 SGD
HK$4,200 HKD
View
A
Retailer 7
-
$690 SGD
$540 USD
View
A
Retailer 8
-
$717 SGD
$561 USD
View
A
Retailer 9
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$831 SGD
$650 USD
View
A
Retailer 10
-
$937 SGD
ZAR 11,844 ZAR
View
A
Retailer 11
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$980 SGD
£603 GBP
View
A
Retailer 12
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$1,188 SGD
$929 USD
View
A
Retailer 13
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$1,266 SGD
A$1,523 AUD
View
B+
Retailer 14
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$1,450 SGD
$1,134 USD
View
B+
Retailer 15
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$1,754 SGD
$1,372 USD
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B+
Retailer 16
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$1,864 SGD
$1,458 USD
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B+
Retailer 17
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$1,898 SGD
$1,485 USD
View
B+
Retailer 18
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$1,957 SGD
$1,531 USD
View
B+
Retailer 19
-
$1,976 SGD
$1,545 USD
View
B+
Retailer 20
-
$2,000 SGD
View
B+
Retailer 21
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$2,124 SGD
£1,308 GBP
View
B+
Retailer 22
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$2,143 SGD
£1,320 GBP
View
B
Retailer 23
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$3,541 SGD
$2,770 USD
View
B
Retailer 24
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$3,541 SGD
$2,770 USD
View
Retailer 25
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$3,710 SGD
$2,902 USD
View
Price last confirmed 103 days ago
B
Retailer 26
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$3,864 SGD
£2,380 GBP
View
Most Expensive
B
Brilliant Earth
20152276Y · Oct 30
$4,308 SGD
$3,370 USD
View
26 more retailers have this diamond
Prices start from $399 SGDSave up to $3,909 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
1.65ct Radiant
$399 SGD