CaratHunter
Plans
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 $585 NZD
$329 USD
As of November 2, 2026
Save $2,320 NZD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,905 NZD 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 $585 to $2,905, a $2,320 spread on the same certified stone. MOH London lists it at $2,905. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,905 NZD|Low: $562 NZD|High: $2,939 NZD|Avg: $1,320 NZD|-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$585 NZD
Retailer 7$654 NZD
Retailer 3$677 NZD
Retailer 4$725 NZD
Retailer 13$725 NZD
Retailer 2$928 NZD
Retailer 10$995 NZD
Retailer 5$1,114 NZD
Retailer 15$1,171 NZD
Retailer 6$1,196 NZD
Retailer 8$1,297 NZD
Retailer 11$2,126 NZD
Retailer 14$2,330 NZD
Retailer 9$2,737 NZD
MOH London$2,905 NZD

41 data points across 15 retailers

18 retailers$585 NZD to $2,905 NZD

A
Cheapest Retailer
-
$585 NZD
$329 USD
A
Retailer 2
-
$654 NZD
$368 USD
View
Final sale: no returns
A
Retailer 3
-
$677 NZD
$381 USD
View
A
Retailer 4
-
$725 NZD
$408 USD
View
Retailer 5
-
$725 NZD
$408 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$928 NZD
£411 GBP
View
A
Retailer 7
-
$995 NZD
$560 USD
View
B+
Retailer 8
-
$1,114 NZD
$627 USD
View
B+
Retailer 9
-
$1,171 NZD
$659 USD
View
B+
Retailer 10
-
$1,196 NZD
$673 USD
View
B+
Retailer 11
-
$1,297 NZD
£574 GBP
View
B+
Retailer 12
-
$1,501 NZD
HK$6,600 HKD
View
B
Retailer 13
-
$2,126 NZD
$1,196 USD
View
B
Retailer 14
-
$2,330 NZD
$1,311 USD
View
B
Retailer 15
-
$2,408 NZD
$1,355 USD
View
B
Retailer 16
-
$2,737 NZD
$1,540 USD
View
B
Retailer 17
-
$2,852 NZD
$1,605 USD
View
Most Expensive
B
MOH London
LG522253049 · Nov 1
$2,905 NZD
£1,287 GBP
View
17 more retailers have this diamond
Prices start from $585 NZDSave up to $2,320 NZD

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
$585 NZD