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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 $208 USD
As of October 27, 2026
Save $1,922 USD (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,130 USD at Brilliant Earth · As of October 29, 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 27, 2026, with prices from $208 to $2,130, a $1,922 spread on the same certified stone. Brilliant Earth lists it at $2,130. 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
Color
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

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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 27
Current: $2,130 USD|Low: $202 USD|High: $2,270 USD|Avg: $775 USD|+51.1%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 19
Retailer 20
October 30, 2026
Retailer 3$208 USD
Retailer 20$232 USD
Retailer 15$241 USD
Retailer 6$258 USD
Retailer 10$258 USD
Retailer 8$385 USD
Retailer 19$458 USD
Retailer 13$489 USD
Retailer 5$522 USD
Retailer 2$537 USD
Retailer 14$665 USD
Retailer 16$747 USD
Retailer 4$916 USD
Retailer 12$1,059 USD
Retailer 11$1,087 USD
Retailer 18$1,120 USD
Retailer 17$1,148 USD
Retailer 9$1,219 USD
Retailer 7$2,000 USD
Brilliant Earth$2,130 USD

36 data points across 20 retailers

23 retailers$208 USD to $2,130 USD

A
Cheapest Retailer
-
$208 USD
A
Retailer 2
-
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$241 USD
View
A
Retailer 4
-
$258 USD
View
A
Retailer 5
-
$258 USD
View
B+
Retailer 6
-
$385 USD
View
A
Retailer 7
-
$458 USD
€436 EUR
View
A
Retailer 8
-
$489 USD
ZAR 7,905 ZAR
View
A
Retailer 9
-
$494 USD
View
A
Retailer 10
-
$522 USD
View
A
Retailer 11
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$537 USD
£422 GBP
View
A
Retailer 12
-
$665 USD
A$1,023 AUD
View
Retailer 13
-
$684 USD
View
Price last confirmed 15 days ago
B+
Retailer 14
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$747 USD
View
B+
Retailer 15
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$916 USD
View
B+
Retailer 16
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$1,059 USD
View
B+
Retailer 17
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$1,087 USD
View
Retailer 18
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$1,093 USD
View
Price last confirmed 50 days ago
B+
Retailer 19
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$1,120 USD
View
B+
Retailer 20
-
$1,148 USD
£904 GBP
View
B
Retailer 21
-
$1,219 USD
View
B
Retailer 22
-
$2,000 USD
View
Most Expensive
B
Brilliant Earth
16302039A · Oct 29
$2,130 USD
View
22 more retailers have this diamond
Prices start from $208 USDSave up to $1,922 USD

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
$208 USD