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Radiant|Lab Grown|IGI

1.73ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG691551833

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

Certificate IGI LG691551833

Diamond specifications and retailer prices

From $428 NZD
$241 USD
As of November 1, 2026
Save $1,950 NZD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,378 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG691551833 or 691551833. Listed at 20 retailers as of October 31, 2026, with prices from $428 to $2,378, a $1,950 spread on the same certified stone. Brilliant Earth lists it at $2,378. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.8°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691551833
Dimensions8.30 × 6.03 × 4.05 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.30 mm6.03 mm1.73 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691551833
Side View
Table 63.0%Crown 27.8°Girdle: MED-STKPavilion 35.7°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
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: Nov 1
Current: $2,378 NZD|Low: $424 NZD|High: $2,502 NZD|Avg: $1,280 NZD|-4.3%
Brilliant Earth
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
Retailer 16
November 1, 2026
Retailer 2$428 NZD
Retailer 10$639 NZD
Retailer 15$704 NZD
Retailer 16$706 NZD
Retailer 12$836 NZD
Retailer 5$862 NZD
Retailer 11$979 NZD
Retailer 8$1,082 NZD
Retailer 4$1,373 NZD
Retailer 14$1,680 NZD
Retailer 13$1,907 NZD
Retailer 6$1,981 NZD
Retailer 7$2,054 NZD
Retailer 9$2,091 NZD
Retailer 3$2,201 NZD
Brilliant Earth$2,378 NZD

33 data points across 16 retailers

20 retailers$428 NZD to $2,378 NZD

Retailer 1
-
$396 NZD
$223 USD
Price last confirmed 24 days ago
A
Retailer 2
-
$428 NZD
$241 USD
View
Final sale: no returns
Retailer 3
-
$460 NZD
$259 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$491 NZD
$277 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$639 NZD
£284 GBP
View
A
Retailer 6
-
$704 NZD
HK$3,100 HKD
View
B+
Retailer 7
-
$706 NZD
$398 USD
View
A
Retailer 8
-
$836 NZD
€449 EUR
View
A
Retailer 9
-
$862 NZD
$486 USD
View
A
Retailer 10
-
$979 NZD
£434 GBP
View
A
Retailer 11
-
$1,082 NZD
$610 USD
View
B+
Retailer 12
-
$1,373 NZD
$774 USD
View
B+
Retailer 13
-
$1,680 NZD
$947 USD
View
B+
Retailer 14
-
$1,907 NZD
$1,075 USD
View
B
Retailer 15
-
$1,934 NZD
$1,090 USD
View
B+
Retailer 16
-
$1,981 NZD
$1,117 USD
View
B
Retailer 17
-
$2,054 NZD
SGD 1,564 SGD
View
B
Retailer 18
-
$2,091 NZD
£928 GBP
View
B
Retailer 19
-
$2,201 NZD
$1,241 USD
View
Most Expensive
B
Brilliant Earth
22255834Y · Oct 31
$2,378 NZD
$1,340 USD
View
19 more retailers have this diamond
Prices start from $428 NZDSave up to $1,950 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
$428 NZD