Radiant|Lab Grown|IGI

1.73ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG522253049

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

Certificate IGI LG522253049

Diamond specifications and retailer prices

From $421 SGD
$329 USD
As of November 2, 2026
Save $1,670 SGD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,090 SGD at MOH London · As of November 1, 2026
View at MOH London

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522253049 or 522253049. Listed at 18 retailers as of November 1, 2026, with prices from $421 to $2,090, a $1,670 spread on the same certified stone. MOH London lists it at $2,090. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.73
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522253049
Dimensions7.86 × 6.12 × 4.12 mm
L/W Ratio1.28
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.86 mm6.12 mm1.73 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522253049
Side View
Table 66.5%Crown 45.5°Girdle: MediumPavilion 31.9°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $2,090 SGD|Low: $404 SGD|High: $2,115 SGD|Avg: $950 SGD|-1.1%
MOH London
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
November 2, 2026
Retailer 12$421 SGD
Retailer 7$471 SGD
Retailer 3$487 SGD
Retailer 4$522 SGD
Retailer 13$522 SGD
Retailer 2$668 SGD
Retailer 10$716 SGD
Retailer 5$802 SGD
Retailer 15$843 SGD
Retailer 6$861 SGD
Retailer 8$933 SGD
Retailer 11$1,530 SGD
Retailer 14$1,677 SGD
Retailer 9$1,970 SGD
MOH London$2,090 SGD

41 data points across 15 retailers

18 retailers$421 SGD to $2,090 SGD

A
Cheapest Retailer
-
$421 SGD
$329 USD
A
Retailer 2
-
$471 SGD
$368 USD
View
Final sale: no returns
A
Retailer 3
-
$487 SGD
$381 USD
View
A
Retailer 4
-
$522 SGD
$408 USD
View
Retailer 5
-
$522 SGD
$408 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$668 SGD
£411 GBP
View
A
Retailer 7
-
$716 SGD
$560 USD
View
B+
Retailer 8
-
$802 SGD
$627 USD
View
B+
Retailer 9
-
$843 SGD
$659 USD
View
B+
Retailer 10
-
$861 SGD
$673 USD
View
B+
Retailer 11
-
$933 SGD
£574 GBP
View
B+
Retailer 12
-
$1,080 SGD
HK$6,600 HKD
View
B
Retailer 13
-
$1,530 SGD
$1,196 USD
View
B
Retailer 14
-
$1,677 SGD
$1,311 USD
View
B
Retailer 15
-
$1,733 SGD
$1,355 USD
View
B
Retailer 16
-
$1,970 SGD
$1,540 USD
View
B
Retailer 17
-
$2,052 SGD
$1,605 USD
View
Most Expensive
B
MOH London
LG522253049 · Nov 1
$2,090 SGD
£1,287 GBP
View
17 more retailers have this diamond
Prices start from $421 SGDSave up to $1,670 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
$421 SGD