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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 €186 EUR
$208 USD
As of October 30, 2026
Save €1,738 EUR (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €1,924 EUR 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 €186 to €1,924, a €1,738 spread on the same certified stone. Brilliant Earth lists it at €1,924. 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 30
Current: €1,924 EUR|Low: €181 EUR|High: €2,032 EUR|Avg: €658 EUR|+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€186 EUR
Retailer 3€208 EUR
Retailer 17€216 EUR
Retailer 7€231 EUR
Retailer 11€231 EUR
Retailer 9€345 EUR
Retailer 13€411 EUR
Retailer 15€438 EUR
Retailer 6€467 EUR
Retailer 2€473 EUR
Retailer 16€595 EUR
Retailer 18€669 EUR
Retailer 5€820 EUR
Retailer 14€940 EUR
Retailer 12€973 EUR
Retailer 20€1,003 EUR
Retailer 19€1,028 EUR
Retailer 10€1,092 EUR
Retailer 8€1,790 EUR
Brilliant Earth€1,924 EUR

37 data points across 20 retailers

23 retailers€186 EUR to €1,924 EUR

A
Cheapest Retailer
-
€186 EUR
$208 USD
A
Retailer 2
-
€208 EUR
$232 USD
View
Final sale: no returns
A
Retailer 3
-
€216 EUR
$241 USD
View
Retailer 4
-
€231 EUR
$258 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€231 EUR
$258 USD
View
B+
Retailer 6
-
€345 EUR
$385 USD
View
A
Retailer 7
-
€411 EUR
View
A
Retailer 8
-
€438 EUR
ZAR 7,905 ZAR
View
A
Retailer 9
-
€442 EUR
$494 USD
View
A
Retailer 10
-
€467 EUR
$522 USD
View
A
Retailer 11
-
€473 EUR
£416 GBP
View
A
Retailer 12
-
€595 EUR
A$1,023 AUD
View
Retailer 13
-
€612 EUR
$684 USD
View
Price last confirmed 18 days ago
B+
Retailer 14
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€669 EUR
$747 USD
View
B+
Retailer 15
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€820 EUR
$916 USD
View
B+
Retailer 16
-
€940 EUR
$1,050 USD
View
B+
Retailer 17
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€973 EUR
$1,087 USD
View
Retailer 18
-
€978 EUR
$1,093 USD
View
Price last confirmed 53 days ago
B+
Retailer 19
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€1,003 EUR
$1,120 USD
View
B+
Retailer 20
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€1,028 EUR
£904 GBP
View
B
Retailer 21
-
€1,092 EUR
$1,219 USD
View
B
Retailer 22
-
€1,790 EUR
$2,000 USD
View
Most Expensive
B
Brilliant Earth
16302039A · Oct 31
€1,924 EUR
$2,150 USD
View
22 more retailers have this diamond
Prices start from €186 EURSave up to €1,738 EUR

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
€186 EUR