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Radiant|Lab Grown|IGI

1.73ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG821651606

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

Certificate IGI LG821651606

Diamond specifications and retailer prices

From $539 SGD
$422 USD
As of October 30, 2026
Save $2,100 SGD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,639 SGD at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 1.73ct lab-grown radiant diamond

This 1.73ct 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 LG821651606 or 821651606. Listed at 15 retailers as of October 30, 2026, with prices from $539 to $2,639, a $2,100 spread on the same certified stone. Michael Trio lists it at $2,639. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821651606
Dimensions9.17 × 5.71 × 3.73 mm
L/W Ratio1.61
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.17 mm5.71 mm1.73 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821651606
Side View
Table 67.0%Crown 42°Girdle: Slightly ThickPavilion 31.8°Culet: NoneDepth 65.3%

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: $2,639 SGD|Low: $539 SGD|High: $2,684 SGD|Avg: $1,322 SGD|-1.7%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 3$539 SGD
Retailer 9$631 SGD
Retailer 11$786 SGD
Retailer 6$799 SGD
Retailer 5$925 SGD
Retailer 4$1,026 SGD
Retailer 2$1,076 SGD
Retailer 12$1,385 SGD
Retailer 7$1,670 SGD
Retailer 8$1,679 SGD
Retailer 10$1,962 SGD
Retailer 13$2,346 SGD
Michael Trio$2,639 SGD

20 data points across 13 retailers

15 retailers$539 SGD to $2,639 SGD

A
Cheapest Retailer
-
$539 SGD
$422 USD
Final sale: no returns
A
Retailer 2
-
$631 SGD
£389 GBP
View
A
Retailer 3
-
$786 SGD
$615 USD
View
A
Retailer 4
-
$799 SGD
$625 USD
View
Retailer 5
-
$925 SGD
€689 EUR
View
Price last confirmed 7 days ago
A
Retailer 6
-
$1,026 SGD
ZAR 12,965 ZAR
View
A
Retailer 7
-
$1,076 SGD
£662 GBP
View
A
Retailer 8
-
$1,385 SGD
A$1,667 AUD
View
B+
Retailer 9
-
$1,670 SGD
$1,306 USD
View
B+
Retailer 10
-
$1,679 SGD
$1,313 USD
View
B+
Retailer 11
-
$1,962 SGD
$1,535 USD
View
B+
Retailer 12
-
$2,305 SGD
$1,803 USD
View
B+
Retailer 13
-
$2,346 SGD
£1,445 GBP
View
Retailer 14
-
$2,486 SGD
A$2,992 AUD
View
Price last confirmed 23 days ago
Most Expensive
B+
Michael Trio
2037643848 · Oct 31
$2,639 SGD
View
14 more retailers have this diamond
Prices start from $539 SGDSave up to $2,100 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
1.73ct Radiant
$539 SGD