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Radiant|Lab Grown|IGI

1.73ct G VVS2 Radiant Lab Grown Diamond

ID • G/VVS2 • IGI LG645423221

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

Certificate IGI LG645423221

Diamond specifications and retailer prices

From $296 AUD
$208 USD
As of October 30, 2026
Save $2,765 AUD (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,061 AUD 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 G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG645423221 or 645423221. Listed at 23 retailers as of October 30, 2026, with prices from $296 to $3,061, a $2,765 spread on the same certified stone. Brilliant Earth lists it at $3,061. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.7°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645423221
Dimensions7.98 × 5.87 × 4.27 mm
L/W Ratio1.36
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.98 mm5.87 mm1.73 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645423221
Side View
Table 72.0%Crown 46.7°Girdle: Slightly ThickPavilion 38.3°Culet: NoneDepth 72.7%

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: Oct 30
Current: $3,061 AUD|Low: $288 AUD|High: $3,232 AUD|Avg: $1,047 AUD|+52.5%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 4$296 AUD
Retailer 3$330 AUD
Retailer 17$343 AUD
Retailer 7$367 AUD
Retailer 11$367 AUD
Retailer 9$548 AUD
Retailer 13$653 AUD
Retailer 15$697 AUD
Retailer 6$743 AUD
Retailer 2$752 AUD
Retailer 16$947 AUD
Retailer 18$1,063 AUD
Retailer 5$1,304 AUD
Retailer 14$1,495 AUD
Retailer 12$1,548 AUD
Retailer 20$1,594 AUD
Retailer 19$1,634 AUD
Retailer 10$1,736 AUD
Retailer 8$2,847 AUD
Brilliant Earth$3,061 AUD

37 data points across 20 retailers

23 retailers$296 AUD to $3,061 AUD

A
Cheapest Retailer
-
$296 AUD
$208 USD
A
Retailer 2
-
$330 AUD
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$343 AUD
$241 USD
View
A
Retailer 4
-
$367 AUD
$258 USD
View
A
Retailer 5
-
$367 AUD
$258 USD
View
B+
Retailer 6
-
$548 AUD
$385 USD
View
A
Retailer 7
-
$653 AUD
€437 EUR
View
A
Retailer 8
-
$697 AUD
ZAR 7,905 ZAR
View
A
Retailer 9
-
$703 AUD
$494 USD
View
A
Retailer 10
-
$743 AUD
$522 USD
View
A
Retailer 11
-
$752 AUD
£416 GBP
View
A
Retailer 12
-
$947 AUD
View
Retailer 13
-
$974 AUD
$684 USD
View
Price last confirmed 18 days ago
B+
Retailer 14
-
$1,063 AUD
$747 USD
View
B+
Retailer 15
-
$1,304 AUD
$916 USD
View
B+
Retailer 16
-
$1,495 AUD
$1,050 USD
View
B+
Retailer 17
-
$1,548 AUD
$1,087 USD
View
Retailer 18
-
$1,556 AUD
$1,093 USD
View
Price last confirmed 53 days ago
B+
Retailer 19
-
$1,594 AUD
$1,120 USD
View
B+
Retailer 20
-
$1,634 AUD
£904 GBP
View
B
Retailer 21
-
$1,736 AUD
$1,219 USD
View
B
Retailer 22
-
$2,847 AUD
$2,000 USD
View
Most Expensive
B
Brilliant Earth
16302039A · Oct 31
$3,061 AUD
$2,150 USD
View
22 more retailers have this diamond
Prices start from $296 AUDSave up to $2,765 AUD

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
$296 AUD